{
  "schema": "nullradial-candidate-screen/v2",
  "screen_id": "NULLRADIAL-RC-S2",
  "generated_at_utc": "2026-08-30T20:02:58.802398+00:00",
  "experiment_fingerprint": "81e43644d387b94579df55f1e1b883ba962dee70b743259dd53612d47d34b151",
  "fingerprint_inputs": {
    "schema": "nullradial-screen-fingerprint/v1",
    "screen_id": "NULLRADIAL-RC-S2",
    "candidate_manifest_sha256": "68c4db2a3b0877bb4ceaadca6505d58d5041e9bb9f8d6ae94396cfb67255d98c",
    "control_manifest_sha256": "699e6c03d8b9fc631f6f8e8640c5e550229494f267b1161d37fdefaf0a7762cf",
    "model_sha256": {
      "yolov10n": "a77dd863933f184a19e84361c64b788228a7c7dacc2c78939239a96ad3efca3b",
      "detr-resnet50-quantized": "cae09a307ed9247da7e2ce8bcf81522a6817f1ea2e82b9c4dde59f5964b62b4f"
    },
    "scene_sha256": {
      "bus": "c02019c4979c191eb739ddd944445ef408dad5679acab6fd520ef9d434bfbc63",
      "zidane": "16d73869e3267a7d4ed00de8e860833bd1657c1b252e94c0c348277adc7b6edb",
      "reference-vehicle": "301c49741083672d58cf9f31809138aa2491074bd70ca0738e8d94fe6fbc766a",
      "reference-shirt": "acfd13f098d495af11ab50b676094ae26f61505091ac0b6035212317fa5b0913"
    },
    "config": {
      "scales": {
        "micro": 0.55,
        "standard": 1.0,
        "macro": 1.8
      },
      "composite_strength": 0.64,
      "match_iou": 0.5,
      "aggregation": "equal detector-scene cells; scene-cluster bootstrap"
    },
    "transitive_source_sha256": {
      "scripts/run_candidate_screen.py": "a53fee40d0192505a438086426d67b80be0e7bc2ad02b34e65bd12e32b0fda8b",
      "scripts/generate_spectral_controls.py": "77701b5a8c0d3386978ac865363399b0a9443b06a4af34c0997301460400242e",
      "scripts/run_benchmark.py": "8bd8017dc2cecf875e85b0738e7c7b77bd92498c320d75f53ea170e72b07cbc2",
      "scripts/run_release_benchmark.py": "e08884df158501427424a449b272218d2fd44bd041ef5834b635c380086ab114",
      "requirements-test.txt": "a4954eff9e332d577f6e36c89d2f25afbc78eb99f85580d7ca9c47ff6df57720"
    },
    "runtime": {
      "python": "3.12.13",
      "numpy": "2.3.5",
      "pillow": "12.3.0",
      "onnxruntime": "1.23.2"
    }
  },
  "scope": "Generic COCO person/vehicle detector robustness under synthetic recoloring only.",
  "governance": {
    "permitted": "consented defensive robustness research and fashion-textile qualification",
    "prohibited": [
      "unlawful surveillance evasion",
      "access-control bypass",
      "military or weapons use",
      "testing on non-consenting people"
    ]
  },
  "models": {
    "yolov10n": {
      "source_revision": "57657320425ee34056408a57ad9d29c4d4815bd8",
      "weights_sha256": "a77dd863933f184a19e84361c64b788228a7c7dacc2c78939239a96ad3efca3b",
      "threshold": 0.25
    },
    "detr-resnet50-quantized": {
      "source_revision": "8be7ab59ff663484ee9ba2e8d8f267330d5ad03e",
      "weights_sha256": "cae09a307ed9247da7e2ce8bcf81522a6817f1ea2e82b9c4dde59f5964b62b4f",
      "threshold": 0.5
    }
  },
  "environment": {
    "python": "3.12.13",
    "platform": "Linux-6.18.35-x86_64-with-glibc2.39",
    "numpy": "2.3.5"
  },
  "protocol": {
    "scales": {
      "micro": 0.55,
      "standard": 1.0,
      "macro": 1.8
    },
    "composite_strength": 0.64,
    "match_iou": 0.5,
    "target_classes": [
      "bicycle",
      "bus",
      "car",
      "motorcycle",
      "person",
      "train",
      "truck"
    ],
    "control": "smooth Fourier-phase rank surrogate with exact source-master RGB pixel multiset and exact repeat edges",
    "association": "deterministic maximum-cardinality then maximum-total-IoU Hungarian assignment",
    "endpoint_status": "detector-pseudo-baseline continuity; not ground-truth recall, precision, or AP"
  },
  "study_counts": {
    "inference_count": 152,
    "detector_count": 2,
    "scene_count": 4,
    "candidate_count": 3,
    "scale_count": 3,
    "planned_paired_cells": 72
  },
  "baseline_detections": [
    {
      "detector": "yolov10n",
      "scene": "bus",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.945642,
          "box_xyxy": [
            10.2,
            232.16,
            803.03,
            739.8
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.908913,
          "box_xyxy": [
            218.8,
            406.08,
            345.21,
            865.17
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.899896,
          "box_xyxy": [
            49.16,
            396.67,
            246.87,
            906.38
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.825467,
          "box_xyxy": [
            672.44,
            393.77,
            810.0,
            875.54
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.498647,
          "box_xyxy": [
            0.48,
            551.98,
            58.44,
            875.27
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.929065,
          "box_xyxy": [
            747.24,
            42.23,
            1149.58,
            710.71
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.915208,
          "box_xyxy": [
            130.56,
            199.45,
            1110.31,
            711.09
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "target_counts": {
        "car": 1,
        "person": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.38437,
          "box_xyxy": [
            9.76,
            124.36,
            691.9,
            447.83
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.359117,
          "box_xyxy": [
            474.25,
            305.65,
            519.31,
            380.22
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.332003,
          "box_xyxy": [
            9.76,
            124.36,
            691.9,
            447.83
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "target_counts": {},
      "detections": [
        {
          "class_id": 14,
          "class": "bird",
          "confidence": 0.399865,
          "box_xyxy": [
            397.72,
            332.68,
            489.81,
            496.76
          ],
          "target_scope": false
        },
        {
          "class_id": 14,
          "class": "bird",
          "confidence": 0.318725,
          "box_xyxy": [
            321.09,
            473.23,
            471.97,
            637.4
          ],
          "target_scope": false
        }
      ]
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998847,
          "box_xyxy": [
            208.7,
            392.14,
            343.4,
            870.42
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999485,
          "box_xyxy": [
            653.68,
            377.12,
            810.0,
            896.76
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.843849,
          "box_xyxy": [
            648.61,
            606.92,
            690.91,
            720.97
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.899587,
          "box_xyxy": [
            233.33,
            500.93,
            257.7,
            527.16
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987541,
          "box_xyxy": [
            0.0,
            544.23,
            83.82,
            894.84
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999708,
          "box_xyxy": [
            46.27,
            384.11,
            265.0,
            916.28
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999383,
          "box_xyxy": [
            24.45,
            227.17,
            803.8,
            731.5
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.988478,
          "box_xyxy": [
            994.04,
            309.21,
            1140.29,
            707.65
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.735042,
          "box_xyxy": [
            973.98,
            306.7,
            1027.71,
            425.03
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.976824,
          "box_xyxy": [
            431.65,
            436.37,
            527.89,
            719.45
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.7589,
          "box_xyxy": [
            991.66,
            301.87,
            1076.52,
            424.27
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.993814,
          "box_xyxy": [
            123.58,
            199.24,
            1169.4,
            705.9
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.997515,
          "box_xyxy": [
            717.19,
            39.86,
            1174.0,
            706.24
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "target_counts": {
        "car": 2
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.696715,
          "box_xyxy": [
            10.84,
            120.85,
            693.7,
            444.83
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.996625,
          "box_xyxy": [
            12.03,
            119.93,
            692.71,
            443.05
          ],
          "target_scope": true
        }
      ]
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "target_counts": {
        "person": 9
      },
      "detections": [
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.549124,
          "box_xyxy": [
            59.34,
            279.7,
            146.03,
            394.87
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.890008,
          "box_xyxy": [
            544.11,
            287.52,
            709.0,
            886.35
          ],
          "target_scope": true
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.908887,
          "box_xyxy": [
            469.12,
            671.66,
            611.31,
            857.22
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.745181,
          "box_xyxy": [
            582.59,
            326.18,
            709.0,
            884.57
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.740136,
          "box_xyxy": [
            390.45,
            322.06,
            493.35,
            506.3
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.690864,
          "box_xyxy": [
            191.71,
            332.7,
            312.5,
            511.1
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.529518,
          "box_xyxy": [
            303.1,
            36.55,
            410.59,
            209.46
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.509774,
          "box_xyxy": [
            249.53,
            528.84,
            352.44,
            715.94
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.831264,
          "box_xyxy": [
            550.94,
            171.58,
            709.0,
            883.2
          ],
          "target_scope": true
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.698822,
          "box_xyxy": [
            240.52,
            262.85,
            341.68,
            381.82
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.502893,
          "box_xyxy": [
            134.98,
            550.16,
            378.36,
            878.68
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.661695,
          "box_xyxy": [
            455.65,
            127.65,
            590.53,
            311.24
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.565807,
          "box_xyxy": [
            191.77,
            66.2,
            314.7,
            235.59
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.869015,
          "box_xyxy": [
            37.99,
            367.03,
            377.46,
            881.54
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.518196,
          "box_xyxy": [
            207.59,
            587.71,
            305.98,
            737.13
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.901175,
          "box_xyxy": [
            31.8,
            359.2,
            201.26,
            886.94
          ],
          "target_scope": true
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.981732,
          "box_xyxy": [
            142.39,
            202.17,
            260.53,
            325.05
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.506602,
          "box_xyxy": [
            41.39,
            360.69,
            630.53,
            878.44
          ],
          "target_scope": true
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.929906,
          "box_xyxy": [
            350.29,
            747.25,
            496.57,
            864.69
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.681959,
          "box_xyxy": [
            453.0,
            384.01,
            561.0,
            553.2
          ],
          "target_scope": false
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.608044,
          "box_xyxy": [
            241.07,
            134.14,
            338.62,
            278.78
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.770623,
          "box_xyxy": [
            251.89,
            403.01,
            340.97,
            543.7
          ],
          "target_scope": false
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.636925,
          "box_xyxy": [
            619.36,
            258.76,
            709.0,
            382.12
          ],
          "target_scope": false
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.543814,
          "box_xyxy": [
            322.23,
            189.87,
            468.91,
            363.82
          ],
          "target_scope": false
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.800585,
          "box_xyxy": [
            330.03,
            598.66,
            418.08,
            769.49
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.663554,
          "box_xyxy": [
            391.21,
            70.15,
            524.04,
            233.26
          ],
          "target_scope": false
        }
      ]
    }
  ],
  "runs": [
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "d52da985e3a2718f392d5c51263b1414a504021c47a19ea6b6c12913378308fa",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.929614,
          "box_xyxy": [
            1.58,
            231.94,
            804.38,
            739.47
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910011,
          "box_xyxy": [
            218.11,
            405.94,
            345.81,
            864.87
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.905379,
          "box_xyxy": [
            48.74,
            397.05,
            246.74,
            906.37
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.81539,
          "box_xyxy": [
            673.07,
            395.42,
            810.0,
            875.43
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.447732,
          "box_xyxy": [
            0.53,
            552.69,
            58.4,
            875.23
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.014088,
        "mean_confidence_delta_matched": -0.014088,
        "mean_matched_iou": 0.991971,
        "mean_centroid_drift_fraction_diagonal": 0.000795,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.929614,
            "confidence_delta": -0.016028,
            "disruption_including_miss": 0.016028,
            "match_iou": 0.986519,
            "centroid_drift_fraction_diagonal": 0.0027
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910011,
            "confidence_delta": 0.001098,
            "disruption_including_miss": -0.001098,
            "match_iou": 0.988956,
            "centroid_drift_fraction_diagonal": 0.000166
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.905379,
            "confidence_delta": 0.005483,
            "disruption_including_miss": -0.005483,
            "match_iou": 0.996463,
            "centroid_drift_fraction_diagonal": 0.000246
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.81539,
            "confidence_delta": -0.010077,
            "disruption_including_miss": 0.010077,
            "match_iou": 0.991784,
            "centroid_drift_fraction_diagonal": 0.000616
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.447732,
            "confidence_delta": -0.050915,
            "disruption_including_miss": 0.050915,
            "match_iou": 0.996131,
            "centroid_drift_fraction_diagonal": 0.000248
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "0f37de88c960312571962ae7e48a5cf16d0bed1d8aba42b9f0992a0170f0b77c",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.929193,
          "box_xyxy": [
            0.0,
            230.45,
            806.5,
            745.91
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.911846,
          "box_xyxy": [
            217.93,
            406.07,
            345.57,
            864.88
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.903661,
          "box_xyxy": [
            48.91,
            395.97,
            246.81,
            906.29
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.801577,
          "box_xyxy": [
            673.06,
            399.0,
            810.0,
            875.56
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.485933,
          "box_xyxy": [
            0.52,
            551.7,
            58.47,
            875.32
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.009271,
        "mean_confidence_delta_matched": -0.009271,
        "mean_matched_iou": 0.987433,
        "mean_centroid_drift_fraction_diagonal": 0.001112,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.929193,
            "confidence_delta": -0.016449,
            "disruption_including_miss": 0.016449,
            "match_iou": 0.968136,
            "centroid_drift_fraction_diagonal": 0.002978
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.911846,
            "confidence_delta": 0.002933,
            "disruption_including_miss": -0.002933,
            "match_iou": 0.989722,
            "centroid_drift_fraction_diagonal": 0.000219
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.903661,
            "confidence_delta": 0.003765,
            "disruption_including_miss": -0.003765,
            "match_iou": 0.996889,
            "centroid_drift_fraction_diagonal": 0.000314
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.801577,
            "confidence_delta": -0.02389,
            "disruption_including_miss": 0.02389,
            "match_iou": 0.984645,
            "centroid_drift_fraction_diagonal": 0.001958
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.485933,
            "confidence_delta": -0.012714,
            "disruption_including_miss": 0.012714,
            "match_iou": 0.997775,
            "centroid_drift_fraction_diagonal": 8.9e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "15d93a64dcc7a9278a259bcc342263489403a5e6d4dfb53bda3d08fc45b99275",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.912297,
          "box_xyxy": [
            48.92,
            395.62,
            246.9,
            906.34
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910583,
          "box_xyxy": [
            217.26,
            405.7,
            346.39,
            864.9
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.822415,
          "box_xyxy": [
            672.97,
            392.12,
            810.0,
            875.5
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.760149,
          "box_xyxy": [
            6.37,
            233.41,
            802.87,
            734.55
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.420013,
          "box_xyxy": [
            0.54,
            553.41,
            58.09,
            875.16
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.050622,
        "mean_confidence_delta_matched": -0.050622,
        "mean_matched_iou": 0.987451,
        "mean_centroid_drift_fraction_diagonal": 0.000787,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.760149,
            "confidence_delta": -0.185493,
            "disruption_including_miss": 0.185493,
            "match_iou": 0.982312,
            "centroid_drift_fraction_diagonal": 0.002093
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910583,
            "confidence_delta": 0.00167,
            "disruption_including_miss": -0.00167,
            "match_iou": 0.977563,
            "centroid_drift_fraction_diagonal": 0.000275
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.912297,
            "confidence_delta": 0.012401,
            "disruption_including_miss": -0.012401,
            "match_iou": 0.996505,
            "centroid_drift_fraction_diagonal": 0.000411
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.822415,
            "confidence_delta": -0.003052,
            "disruption_including_miss": 0.003052,
            "match_iou": 0.992678,
            "centroid_drift_fraction_diagonal": 0.000656
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.420013,
            "confidence_delta": -0.078634,
            "disruption_including_miss": 0.078634,
            "match_iou": 0.988196,
            "centroid_drift_fraction_diagonal": 0.000501
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "001ac8527dddc6808e504a747d2d3c5149429467d6592392c590d33c7f3a67d1",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.941969,
          "box_xyxy": [
            4.06,
            230.71,
            806.77,
            747.64
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.912186,
          "box_xyxy": [
            218.07,
            405.85,
            345.88,
            864.81
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.904508,
          "box_xyxy": [
            48.85,
            396.39,
            246.85,
            906.3
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.800304,
          "box_xyxy": [
            672.82,
            398.98,
            810.0,
            875.57
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.471889,
          "box_xyxy": [
            0.52,
            552.11,
            58.43,
            875.29
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.009542,
        "mean_confidence_delta_matched": -0.009542,
        "mean_matched_iou": 0.988084,
        "mean_centroid_drift_fraction_diagonal": 0.000986,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.941969,
            "confidence_delta": -0.003673,
            "disruption_including_miss": 0.003673,
            "match_iou": 0.969941,
            "centroid_drift_fraction_diagonal": 0.002528
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.912186,
            "confidence_delta": 0.003273,
            "disruption_including_miss": -0.003273,
            "match_iou": 0.987784,
            "centroid_drift_fraction_diagonal": 0.00022
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904508,
            "confidence_delta": 0.004612,
            "disruption_including_miss": -0.004612,
            "match_iou": 0.997629,
            "centroid_drift_fraction_diagonal": 0.000181
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.800304,
            "confidence_delta": -0.025163,
            "disruption_including_miss": 0.025163,
            "match_iou": 0.986392,
            "centroid_drift_fraction_diagonal": 0.001946
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.471889,
            "confidence_delta": -0.026758,
            "disruption_including_miss": 0.026758,
            "match_iou": 0.998674,
            "centroid_drift_fraction_diagonal": 5.7e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "e2b24de546d38e1f80aaf041f2436e0f7f5ff78a441a802745b564cdbfeecd79",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.9131,
          "box_xyxy": [
            217.34,
            405.74,
            346.59,
            865.3
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910042,
          "box_xyxy": [
            49.0,
            396.1,
            246.88,
            906.25
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.816144,
          "box_xyxy": [
            673.62,
            391.11,
            810.0,
            875.41
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.731602,
          "box_xyxy": [
            9.41,
            233.14,
            802.88,
            713.52
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.411536,
          "box_xyxy": [
            0.55,
            553.87,
            58.15,
            875.01
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.273605,
          "box_xyxy": [
            9.41,
            233.14,
            802.88,
            713.52
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.059228,
        "mean_confidence_delta_matched": -0.059228,
        "mean_matched_iou": 0.978593,
        "mean_centroid_drift_fraction_diagonal": 0.002291,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.731602,
            "confidence_delta": -0.21404,
            "disruption_including_miss": 0.21404,
            "match_iou": 0.94523,
            "centroid_drift_fraction_diagonal": 0.009377
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.9131,
            "confidence_delta": 0.004187,
            "disruption_including_miss": -0.004187,
            "match_iou": 0.977027,
            "centroid_drift_fraction_diagonal": 8.3e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.910042,
            "confidence_delta": 0.010146,
            "disruption_including_miss": -0.010146,
            "match_iou": 0.99777,
            "centroid_drift_fraction_diagonal": 0.000265
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.816144,
            "confidence_delta": -0.009323,
            "disruption_including_miss": 0.009323,
            "match_iou": 0.985758,
            "centroid_drift_fraction_diagonal": 0.001122
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.411536,
            "confidence_delta": -0.087111,
            "disruption_including_miss": 0.087111,
            "match_iou": 0.98718,
            "centroid_drift_fraction_diagonal": 0.000609
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "dd7d6bd55f97fedc48afc87f39c902da1fd39cceafbb1848bd9f90ab08eceaac",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.914152,
          "box_xyxy": [
            217.77,
            405.72,
            346.21,
            864.72
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.91201,
          "box_xyxy": [
            6.44,
            230.53,
            804.6,
            744.02
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.907267,
          "box_xyxy": [
            48.86,
            395.89,
            246.7,
            906.29
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.797723,
          "box_xyxy": [
            672.76,
            397.24,
            809.99,
            875.39
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.453707,
          "box_xyxy": [
            0.53,
            551.87,
            58.64,
            875.3
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.018741,
        "mean_confidence_delta_matched": -0.018741,
        "mean_matched_iou": 0.989157,
        "mean_centroid_drift_fraction_diagonal": 0.000651,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.91201,
            "confidence_delta": -0.033632,
            "disruption_including_miss": 0.033632,
            "match_iou": 0.982006,
            "centroid_drift_fraction_diagonal": 0.001256
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914152,
            "confidence_delta": 0.005239,
            "disruption_including_miss": -0.005239,
            "match_iou": 0.982475,
            "centroid_drift_fraction_diagonal": 0.0003
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.907267,
            "confidence_delta": 0.007371,
            "disruption_including_miss": -0.007371,
            "match_iou": 0.995928,
            "centroid_drift_fraction_diagonal": 0.000366
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.797723,
            "confidence_delta": -0.027744,
            "disruption_including_miss": 0.027744,
            "match_iou": 0.990105,
            "centroid_drift_fraction_diagonal": 0.001235
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.453707,
            "confidence_delta": -0.04494,
            "disruption_including_miss": 0.04494,
            "match_iou": 0.995271,
            "centroid_drift_fraction_diagonal": 9.7e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "53be74fdb0d664ab694d9752c0ee6f3724a16514c78e0f36aa316fe2b211bfa9",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910724,
          "box_xyxy": [
            218.04,
            405.9,
            345.15,
            865.04
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.904658,
          "box_xyxy": [
            48.79,
            395.94,
            246.77,
            906.28
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.805197,
          "box_xyxy": [
            672.82,
            402.59,
            810.0,
            875.46
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.763583,
          "box_xyxy": [
            3.08,
            230.93,
            806.87,
            747.64
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.469054,
          "box_xyxy": [
            0.5,
            552.06,
            58.32,
            875.34
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.335349,
          "box_xyxy": [
            3.08,
            230.93,
            806.87,
            747.64
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.04507,
        "mean_confidence_delta_matched": -0.04507,
        "mean_matched_iou": 0.986775,
        "mean_centroid_drift_fraction_diagonal": 0.001344,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.763583,
            "confidence_delta": -0.182059,
            "disruption_including_miss": 0.182059,
            "match_iou": 0.969051,
            "centroid_drift_fraction_diagonal": 0.002733
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910724,
            "confidence_delta": 0.001811,
            "disruption_including_miss": -0.001811,
            "match_iou": 0.992883,
            "centroid_drift_fraction_diagonal": 0.000325
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904658,
            "confidence_delta": 0.004762,
            "disruption_including_miss": -0.004762,
            "match_iou": 0.996006,
            "centroid_drift_fraction_diagonal": 0.000353
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.805197,
            "confidence_delta": -0.02027,
            "disruption_including_miss": 0.02027,
            "match_iou": 0.978815,
            "centroid_drift_fraction_diagonal": 0.00324
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.469054,
            "confidence_delta": -0.029593,
            "disruption_including_miss": 0.029593,
            "match_iou": 0.997122,
            "centroid_drift_fraction_diagonal": 6.7e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "58f4c65590df54c3f9d64c83b5ea1c7f59dd4a118ec08e02b525579dc1128b7d",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.931113,
          "box_xyxy": [
            3.78,
            230.79,
            805.62,
            748.0
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910214,
          "box_xyxy": [
            218.04,
            406.08,
            345.36,
            864.83
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.902742,
          "box_xyxy": [
            48.96,
            396.26,
            246.8,
            906.33
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.80504,
          "box_xyxy": [
            672.64,
            393.54,
            809.99,
            875.6
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.47766,
          "box_xyxy": [
            0.53,
            551.94,
            58.51,
            875.3
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.010359,
        "mean_confidence_delta_matched": -0.010359,
        "mean_matched_iou": 0.991183,
        "mean_centroid_drift_fraction_diagonal": 0.000699,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.931113,
            "confidence_delta": -0.014529,
            "disruption_including_miss": 0.014529,
            "match_iou": 0.970468,
            "centroid_drift_fraction_diagonal": 0.0029
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910214,
            "confidence_delta": 0.001301,
            "disruption_including_miss": -0.001301,
            "match_iou": 0.992123,
            "centroid_drift_fraction_diagonal": 0.000259
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.902742,
            "confidence_delta": 0.002846,
            "disruption_including_miss": -0.002846,
            "match_iou": 0.997736,
            "centroid_drift_fraction_diagonal": 0.000198
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.80504,
            "confidence_delta": -0.020427,
            "disruption_including_miss": 0.020427,
            "match_iou": 0.997874,
            "centroid_drift_fraction_diagonal": 9.4e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.47766,
            "confidence_delta": -0.020987,
            "disruption_including_miss": 0.020987,
            "match_iou": 0.997716,
            "centroid_drift_fraction_diagonal": 4.5e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "81996c2453d7841bb279c6d4dd42276ce9a870bec00ada54b693fc1d93bfa746",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.909934,
          "box_xyxy": [
            218.0,
            405.79,
            345.64,
            865.07
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.90527,
          "box_xyxy": [
            48.67,
            396.16,
            246.87,
            906.28
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.862658,
          "box_xyxy": [
            2.18,
            231.62,
            804.77,
            745.64
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.802639,
          "box_xyxy": [
            672.46,
            397.22,
            810.0,
            875.61
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.468839,
          "box_xyxy": [
            0.51,
            552.37,
            58.32,
            875.36
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.025845,
        "mean_confidence_delta_matched": -0.025845,
        "mean_matched_iou": 0.989984,
        "mean_centroid_drift_fraction_diagonal": 0.001004,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.862658,
            "confidence_delta": -0.082984,
            "disruption_including_miss": 0.082984,
            "match_iou": 0.975578,
            "centroid_drift_fraction_diagonal": 0.003044
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.909934,
            "confidence_delta": 0.001021,
            "disruption_including_miss": -0.001021,
            "match_iou": 0.989525,
            "centroid_drift_fraction_diagonal": 0.000199
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.90527,
            "confidence_delta": 0.005374,
            "disruption_including_miss": -0.005374,
            "match_iou": 0.996336,
            "centroid_drift_fraction_diagonal": 0.00029
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.802639,
            "confidence_delta": -0.022828,
            "disruption_including_miss": 0.022828,
            "match_iou": 0.99255,
            "centroid_drift_fraction_diagonal": 0.001304
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.468839,
            "confidence_delta": -0.029808,
            "disruption_including_miss": 0.029808,
            "match_iou": 0.995932,
            "centroid_drift_fraction_diagonal": 0.000181
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "eb3c657bbfda91a282eda21b84b424652e5a4f5f7f6acb5c8f650806b62741ed",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910752,
          "box_xyxy": [
            217.98,
            406.06,
            345.54,
            864.86
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.904797,
          "box_xyxy": [
            48.95,
            396.25,
            246.83,
            906.31
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.888295,
          "box_xyxy": [
            3.78,
            230.77,
            806.38,
            744.28
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.793527,
          "box_xyxy": [
            672.65,
            404.13,
            810.0,
            875.56
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.482785,
          "box_xyxy": [
            0.52,
            551.92,
            58.46,
            875.31
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.019682,
        "mean_confidence_delta_matched": -0.019682,
        "mean_matched_iou": 0.988042,
        "mean_centroid_drift_fraction_diagonal": 0.001181,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.888295,
            "confidence_delta": -0.057347,
            "disruption_including_miss": 0.057347,
            "match_iou": 0.976535,
            "centroid_drift_fraction_diagonal": 0.001613
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910752,
            "confidence_delta": 0.001839,
            "disruption_including_miss": -0.001839,
            "match_iou": 0.990278,
            "centroid_drift_fraction_diagonal": 0.000219
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904797,
            "confidence_delta": 0.004901,
            "disruption_including_miss": -0.004901,
            "match_iou": 0.997778,
            "centroid_drift_fraction_diagonal": 0.000204
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.793527,
            "confidence_delta": -0.03194,
            "disruption_including_miss": 0.03194,
            "match_iou": 0.976962,
            "centroid_drift_fraction_diagonal": 0.003845
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.482785,
            "confidence_delta": -0.015862,
            "disruption_including_miss": 0.015862,
            "match_iou": 0.998656,
            "centroid_drift_fraction_diagonal": 2.3e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "dbe0718c9de856be63ac379300b1dca7e7a64f8ecd79ebec224a3d7e4c84e1a4",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910623,
          "box_xyxy": [
            218.06,
            405.96,
            345.67,
            865.13
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.90387,
          "box_xyxy": [
            48.84,
            396.51,
            246.83,
            906.29
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.791892,
          "box_xyxy": [
            672.58,
            409.93,
            810.0,
            875.58
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.653901,
          "box_xyxy": [
            3.67,
            231.92,
            806.22,
            748.5
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.456458,
          "box_xyxy": [
            0.51,
            552.42,
            58.38,
            875.39
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.394433,
          "box_xyxy": [
            3.67,
            231.92,
            806.22,
            748.5
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.072364,
        "mean_confidence_delta_matched": -0.072364,
        "mean_matched_iou": 0.98417,
        "mean_centroid_drift_fraction_diagonal": 0.001972,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.653901,
            "confidence_delta": -0.291741,
            "disruption_including_miss": 0.291741,
            "match_iou": 0.970792,
            "centroid_drift_fraction_diagonal": 0.003369
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910623,
            "confidence_delta": 0.00171,
            "disruption_including_miss": -0.00171,
            "match_iou": 0.990252,
            "centroid_drift_fraction_diagonal": 0.000119
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.90387,
            "confidence_delta": 0.003974,
            "disruption_including_miss": -0.003974,
            "match_iou": 0.997693,
            "centroid_drift_fraction_diagonal": 0.000162
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.791892,
            "confidence_delta": -0.033575,
            "disruption_including_miss": 0.033575,
            "match_iou": 0.965393,
            "centroid_drift_fraction_diagonal": 0.006
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.456458,
            "confidence_delta": -0.042189,
            "disruption_including_miss": 0.042189,
            "match_iou": 0.996719,
            "centroid_drift_fraction_diagonal": 0.000208
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "d0add741edec28604805ecab671fbd1e12127ab5d1839cd06f4e03d5bb67c2fe",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.919544,
          "box_xyxy": [
            0.0,
            230.58,
            806.4,
            748.71
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.911923,
          "box_xyxy": [
            217.82,
            406.18,
            346.1,
            864.82
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.903098,
          "box_xyxy": [
            48.91,
            395.75,
            246.64,
            906.35
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.796545,
          "box_xyxy": [
            672.49,
            394.76,
            810.0,
            875.65
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.457814,
          "box_xyxy": [
            0.54,
            551.9,
            58.5,
            875.36
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.017928,
        "mean_confidence_delta_matched": -0.017928,
        "mean_matched_iou": 0.987644,
        "mean_centroid_drift_fraction_diagonal": 0.000931,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.919544,
            "confidence_delta": -0.026098,
            "disruption_including_miss": 0.026098,
            "match_iou": 0.963267,
            "centroid_drift_fraction_diagonal": 0.003711
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.911923,
            "confidence_delta": 0.00301,
            "disruption_including_miss": -0.00301,
            "match_iou": 0.984471,
            "centroid_drift_fraction_diagonal": 9.8e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.903098,
            "confidence_delta": 0.003202,
            "disruption_including_miss": -0.003202,
            "match_iou": 0.995721,
            "centroid_drift_fraction_diagonal": 0.000394
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.796545,
            "confidence_delta": -0.028922,
            "disruption_including_miss": 0.028922,
            "match_iou": 0.997355,
            "centroid_drift_fraction_diagonal": 0.000408
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.457814,
            "confidence_delta": -0.040833,
            "disruption_including_miss": 0.040833,
            "match_iou": 0.997408,
            "centroid_drift_fraction_diagonal": 4.5e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "1642088e3b88f9c6788a53c4c5fc5993cc5e31daee607df58b9b996172b924c6",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.914661,
          "box_xyxy": [
            217.58,
            405.71,
            346.37,
            864.55
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.908022,
          "box_xyxy": [
            48.96,
            395.95,
            246.6,
            906.33
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.806064,
          "box_xyxy": [
            673.08,
            397.65,
            810.0,
            875.33
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.702885,
          "box_xyxy": [
            3.22,
            231.73,
            806.43,
            749.78
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.430224,
          "box_xyxy": [
            0.55,
            552.68,
            58.49,
            875.31
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.356451,
          "box_xyxy": [
            3.22,
            231.73,
            806.43,
            749.78
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.063342,
        "mean_confidence_delta_matched": -0.063342,
        "mean_matched_iou": 0.985068,
        "mean_centroid_drift_fraction_diagonal": 0.001227,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.702885,
            "confidence_delta": -0.242757,
            "disruption_including_miss": 0.242757,
            "match_iou": 0.967242,
            "centroid_drift_fraction_diagonal": 0.003777
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914661,
            "confidence_delta": 0.005748,
            "disruption_including_miss": -0.005748,
            "match_iou": 0.97943,
            "centroid_drift_fraction_diagonal": 0.000367
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.908022,
            "confidence_delta": 0.008126,
            "disruption_including_miss": -0.008126,
            "match_iou": 0.996122,
            "centroid_drift_fraction_diagonal": 0.000334
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.806064,
            "confidence_delta": -0.019403,
            "disruption_including_miss": 0.019403,
            "match_iou": 0.986897,
            "centroid_drift_fraction_diagonal": 0.00138
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.430224,
            "confidence_delta": -0.068423,
            "disruption_including_miss": 0.068423,
            "match_iou": 0.995649,
            "centroid_drift_fraction_diagonal": 0.000278
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "d80b2290db0e40db034748f13c0853b9b56ff30c01c44506e39c47e5899e7a31",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.914662,
          "box_xyxy": [
            217.63,
            405.83,
            346.21,
            864.61
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.911245,
          "box_xyxy": [
            1.06,
            230.55,
            806.58,
            747.89
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.906288,
          "box_xyxy": [
            49.06,
            395.83,
            246.66,
            906.34
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.787699,
          "box_xyxy": [
            672.84,
            396.51,
            809.93,
            875.55
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.462419,
          "box_xyxy": [
            0.54,
            551.78,
            58.56,
            875.32
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.01925,
        "mean_confidence_delta_matched": -0.01925,
        "mean_matched_iou": 0.986188,
        "mean_centroid_drift_fraction_diagonal": 0.000987,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.911245,
            "confidence_delta": -0.034397,
            "disruption_including_miss": 0.034397,
            "match_iou": 0.965792,
            "centroid_drift_fraction_diagonal": 0.00317
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914662,
            "confidence_delta": 0.005749,
            "disruption_including_miss": -0.005749,
            "match_iou": 0.98141,
            "centroid_drift_fraction_diagonal": 0.000307
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.906288,
            "confidence_delta": 0.006392,
            "disruption_including_miss": -0.006392,
            "match_iou": 0.996714,
            "centroid_drift_fraction_diagonal": 0.000346
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.787699,
            "confidence_delta": -0.037768,
            "disruption_including_miss": 0.037768,
            "match_iou": 0.990895,
            "centroid_drift_fraction_diagonal": 0.001026
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.462419,
            "confidence_delta": -0.036228,
            "disruption_including_miss": 0.036228,
            "match_iou": 0.996131,
            "centroid_drift_fraction_diagonal": 8.7e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "ae1e3a195faa4338d040ba5cbcd1318bf378bf6a6124ad6415a836237f8c93ab",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.916088,
          "box_xyxy": [
            217.29,
            405.46,
            346.74,
            865.05
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910495,
          "box_xyxy": [
            49.04,
            395.93,
            246.6,
            906.43
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.77718,
          "box_xyxy": [
            673.35,
            400.67,
            810.0,
            875.26
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.548709,
          "box_xyxy": [
            12.33,
            232.78,
            803.31,
            745.29
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.389554,
          "box_xyxy": [
            0.55,
            553.12,
            58.77,
            875.19
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.269602,
          "box_xyxy": [
            12.33,
            232.78,
            803.31,
            745.29
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.163129,
        "mean_confidence_delta_matched": -0.163129,
        "mean_matched_iou": 0.984909,
        "mean_centroid_drift_fraction_diagonal": 0.001179,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.269602,
            "confidence_delta": -0.67604,
            "disruption_including_miss": 0.67604,
            "match_iou": 0.985119,
            "centroid_drift_fraction_diagonal": 0.002433
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.916088,
            "confidence_delta": 0.007175,
            "disruption_including_miss": -0.007175,
            "match_iou": 0.97495,
            "centroid_drift_fraction_diagonal": 0.000274
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.910495,
            "confidence_delta": 0.010599,
            "disruption_including_miss": -0.010599,
            "match_iou": 0.996486,
            "centroid_drift_fraction_diagonal": 0.000294
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.77718,
            "confidence_delta": -0.048287,
            "disruption_including_miss": 0.048287,
            "match_iou": 0.97858,
            "centroid_drift_fraction_diagonal": 0.002475
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.389554,
            "confidence_delta": -0.109093,
            "disruption_including_miss": 0.109093,
            "match_iou": 0.989411,
            "centroid_drift_fraction_diagonal": 0.00042
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "aab3c95db0d149267449b496531004dbb38aedb3748f66b5d3bd05758e0759b9",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.915488,
          "box_xyxy": [
            217.71,
            406.01,
            346.01,
            864.42
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.905153,
          "box_xyxy": [
            49.13,
            396.29,
            246.63,
            906.3
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.861812,
          "box_xyxy": [
            0.0,
            230.14,
            805.57,
            751.43
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.782028,
          "box_xyxy": [
            673.09,
            399.6,
            810.0,
            875.52
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.458684,
          "box_xyxy": [
            0.54,
            552.06,
            58.69,
            875.29
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.03108,
        "mean_confidence_delta_matched": -0.03108,
        "mean_matched_iou": 0.983448,
        "mean_centroid_drift_fraction_diagonal": 0.001472,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.861812,
            "confidence_delta": -0.08383,
            "disruption_including_miss": 0.08383,
            "match_iou": 0.958414,
            "centroid_drift_fraction_diagonal": 0.004552
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.915488,
            "confidence_delta": 0.006575,
            "disruption_including_miss": -0.006575,
            "match_iou": 0.983533,
            "centroid_drift_fraction_diagonal": 0.000322
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.905153,
            "confidence_delta": 0.005257,
            "disruption_including_miss": -0.005257,
            "match_iou": 0.997735,
            "centroid_drift_fraction_diagonal": 0.000198
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.782028,
            "confidence_delta": -0.043439,
            "disruption_including_miss": 0.043439,
            "match_iou": 0.983189,
            "centroid_drift_fraction_diagonal": 0.002165
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.458684,
            "confidence_delta": -0.039963,
            "disruption_including_miss": 0.039963,
            "match_iou": 0.994368,
            "centroid_drift_fraction_diagonal": 0.000121
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "c2c6aa354904a95db1d4d35feffda86d2987be0037d205ce28edac5f3aff1adc",
      "target_counts": {
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.912515,
          "box_xyxy": [
            48.84,
            395.31,
            246.91,
            906.46
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.910354,
          "box_xyxy": [
            217.12,
            405.07,
            346.68,
            865.08
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.780853,
          "box_xyxy": [
            673.55,
            412.17,
            809.96,
            875.25
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.627553,
          "box_xyxy": [
            3.55,
            232.57,
            804.83,
            743.53
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.380492,
          "box_xyxy": [
            0.55,
            553.63,
            58.22,
            874.96
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.21887,
        "mean_confidence_delta_matched": -0.037177,
        "mean_matched_iou": 0.977716,
        "mean_centroid_drift_fraction_diagonal": 0.00203,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.945642,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "truck",
              "confidence": 0.627553,
              "iou": 0.981452
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910354,
            "confidence_delta": 0.001441,
            "disruption_including_miss": -0.001441,
            "match_iou": 0.973359,
            "centroid_drift_fraction_diagonal": 0.000415
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.912515,
            "confidence_delta": 0.012619,
            "disruption_including_miss": -0.012619,
            "match_iou": 0.99537,
            "centroid_drift_fraction_diagonal": 0.000485
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.780853,
            "confidence_delta": -0.044614,
            "disruption_including_miss": 0.044614,
            "match_iou": 0.95317,
            "centroid_drift_fraction_diagonal": 0.006719
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.380492,
            "confidence_delta": -0.118155,
            "disruption_including_miss": 0.118155,
            "match_iou": 0.988964,
            "centroid_drift_fraction_diagonal": 0.000499
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "e79613071e6636df5cc7827b400b950631f13428937f2926a98dbf6e79247ee0",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.915626,
          "box_xyxy": [
            217.68,
            406.07,
            346.13,
            864.58
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.908327,
          "box_xyxy": [
            48.99,
            396.09,
            246.63,
            906.27
          ],
          "target_scope": true
        },
        {
          "class_id": 5,
          "class": "bus",
          "confidence": 0.896391,
          "box_xyxy": [
            0.17,
            230.49,
            806.08,
            746.64
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.803697,
          "box_xyxy": [
            672.8,
            395.28,
            810.0,
            875.5
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.447137,
          "box_xyxy": [
            0.55,
            552.03,
            58.61,
            875.33
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.021477,
        "mean_confidence_delta_matched": -0.021477,
        "mean_matched_iou": 0.987338,
        "mean_centroid_drift_fraction_diagonal": 0.000881,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.896391,
            "confidence_delta": -0.049251,
            "disruption_including_miss": 0.049251,
            "match_iou": 0.96755,
            "centroid_drift_fraction_diagonal": 0.003217
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.915626,
            "confidence_delta": 0.006713,
            "disruption_including_miss": -0.006713,
            "match_iou": 0.982852,
            "centroid_drift_fraction_diagonal": 0.000234
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.908327,
            "confidence_delta": 0.008431,
            "disruption_including_miss": -0.008431,
            "match_iou": 0.99658,
            "centroid_drift_fraction_diagonal": 0.000297
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.803697,
            "confidence_delta": -0.02177,
            "disruption_including_miss": 0.02177,
            "match_iou": 0.994174,
            "centroid_drift_fraction_diagonal": 0.000561
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.447137,
            "confidence_delta": -0.05151,
            "disruption_including_miss": 0.05151,
            "match_iou": 0.995533,
            "centroid_drift_fraction_diagonal": 9.8e-05
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "ef00a1906aa128d333971f3a046fb64fc76e1a25b7beb1bbfd3b4ab93eb01aee",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.931169,
          "box_xyxy": [
            748.22,
            43.42,
            1174.55,
            709.12
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.843285,
          "box_xyxy": [
            127.21,
            199.88,
            765.32,
            711.12
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.03491,
        "mean_confidence_delta_matched": -0.03491,
        "mean_matched_iou": 0.79035,
        "mean_centroid_drift_fraction_diagonal": 0.063716,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.931169,
            "confidence_delta": 0.002104,
            "disruption_including_miss": -0.002104,
            "match_iou": 0.935592,
            "centroid_drift_fraction_diagonal": 0.008836
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.843285,
            "confidence_delta": -0.071923,
            "disruption_including_miss": 0.071923,
            "match_iou": 0.645107,
            "centroid_drift_fraction_diagonal": 0.118596
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "5b0ea3f1ba8d0d0ddfcfa17982d19f2c3f343604464cfc79941327f98c50d24e",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.906241,
          "box_xyxy": [
            747.62,
            43.27,
            1170.85,
            711.18
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.706218,
          "box_xyxy": [
            134.74,
            199.28,
            923.92,
            710.34
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.115907,
        "mean_confidence_delta_matched": -0.115907,
        "mean_matched_iou": 0.87546,
        "mean_centroid_drift_fraction_diagonal": 0.034713,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.906241,
            "confidence_delta": -0.022824,
            "disruption_including_miss": 0.022824,
            "match_iou": 0.946824,
            "centroid_drift_fraction_diagonal": 0.007389
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.706218,
            "confidence_delta": -0.20899,
            "disruption_including_miss": 0.20899,
            "match_iou": 0.804095,
            "centroid_drift_fraction_diagonal": 0.062036
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "e7d75a017d136fb458c83db9525a36b7378135a26646dcfa24d1bcaeb4cca065",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.876319,
          "box_xyxy": [
            740.76,
            42.85,
            1175.93,
            708.46
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.788812,
          "box_xyxy": [
            127.66,
            200.02,
            733.04,
            711.21
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.089571,
        "mean_confidence_delta_matched": -0.089571,
        "mean_matched_iou": 0.766617,
        "mean_centroid_drift_fraction_diagonal": 0.06811,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.876319,
            "confidence_delta": -0.052746,
            "disruption_including_miss": 0.052746,
            "match_iou": 0.920887,
            "centroid_drift_fraction_diagonal": 0.006788
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.788812,
            "confidence_delta": -0.126396,
            "disruption_including_miss": 0.126396,
            "match_iou": 0.612348,
            "centroid_drift_fraction_diagonal": 0.129433
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "f6bfee97313b16632539b207e8bd569be7df22de2fecd19f8b19e016b749c18a",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.908315,
          "box_xyxy": [
            748.37,
            43.15,
            1176.4,
            711.28
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.767334,
          "box_xyxy": [
            137.36,
            199.46,
            894.78,
            711.02
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084312,
        "mean_confidence_delta_matched": -0.084312,
        "mean_matched_iou": 0.852913,
        "mean_centroid_drift_fraction_diagonal": 0.040296,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.908315,
            "confidence_delta": -0.02075,
            "disruption_including_miss": 0.02075,
            "match_iou": 0.932873,
            "centroid_drift_fraction_diagonal": 0.009529
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.767334,
            "confidence_delta": -0.147874,
            "disruption_including_miss": 0.147874,
            "match_iou": 0.772954,
            "centroid_drift_fraction_diagonal": 0.071064
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "095fa6049f3c8ac515831a863812444311a9acc831f1b0162b87e0f40561c34a",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.887518,
          "box_xyxy": [
            123.25,
            200.72,
            672.11,
            710.04
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.86655,
          "box_xyxy": [
            730.89,
            43.47,
            1177.32,
            707.71
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.045103,
        "mean_confidence_delta_matched": -0.045103,
        "mean_matched_iou": 0.721132,
        "mean_centroid_drift_fraction_diagonal": 0.077801,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.86655,
            "confidence_delta": -0.062515,
            "disruption_including_miss": 0.062515,
            "match_iou": 0.896084,
            "centroid_drift_fraction_diagonal": 0.003924
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.887518,
            "confidence_delta": -0.02769,
            "disruption_including_miss": 0.02769,
            "match_iou": 0.54618,
            "centroid_drift_fraction_diagonal": 0.151678
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "c275c65e5f19ec11bf3beb28450a7449163c8967b1b6f5e30211d52f9f682161",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.925654,
          "box_xyxy": [
            746.5,
            43.37,
            1181.79,
            710.48
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.645139,
          "box_xyxy": [
            129.8,
            200.27,
            776.97,
            709.89
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.13674,
        "mean_confidence_delta_matched": -0.13674,
        "mean_matched_iou": 0.789605,
        "mean_centroid_drift_fraction_diagonal": 0.062233,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.925654,
            "confidence_delta": -0.003411,
            "disruption_including_miss": 0.003411,
            "match_iou": 0.922552,
            "centroid_drift_fraction_diagonal": 0.010719
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.645139,
            "confidence_delta": -0.270069,
            "disruption_including_miss": 0.270069,
            "match_iou": 0.656658,
            "centroid_drift_fraction_diagonal": 0.113747
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "bb046d2f0c315ed29fccc4d8efafe223d842d33a45d3ec0221391e2bcb1d526a",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.873544,
          "box_xyxy": [
            746.22,
            42.12,
            1163.68,
            709.24
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.50098,
          "box_xyxy": [
            136.39,
            199.52,
            966.5,
            710.26
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.234874,
        "mean_confidence_delta_matched": -0.234874,
        "mean_matched_iou": 0.903679,
        "mean_centroid_drift_fraction_diagonal": 0.025731,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.873544,
            "confidence_delta": -0.055521,
            "disruption_including_miss": 0.055521,
            "match_iou": 0.96158,
            "centroid_drift_fraction_diagonal": 0.004486
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.50098,
            "confidence_delta": -0.414228,
            "disruption_including_miss": 0.414228,
            "match_iou": 0.845777,
            "centroid_drift_fraction_diagonal": 0.046977
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "1385080ee7e5595d25e0bfa63bb3bf4f9e8c1d8b565256aa31fbd262c8a3b232",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.911193,
          "box_xyxy": [
            748.0,
            43.17,
            1175.31,
            711.51
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.751918,
          "box_xyxy": [
            139.54,
            199.15,
            906.54,
            710.69
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.090581,
        "mean_confidence_delta_matched": -0.090581,
        "mean_matched_iou": 0.858821,
        "mean_centroid_drift_fraction_diagonal": 0.037678,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.911193,
            "confidence_delta": -0.017872,
            "disruption_including_miss": 0.017872,
            "match_iou": 0.93576,
            "centroid_drift_fraction_diagonal": 0.009038
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.751918,
            "confidence_delta": -0.16329,
            "disruption_including_miss": 0.16329,
            "match_iou": 0.781882,
            "centroid_drift_fraction_diagonal": 0.066318
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "8d476d0d8eb8f7b73af4ea0f91e789a353186fd7a8af24b68715585626c89f61",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.681762,
          "box_xyxy": [
            742.7,
            43.19,
            1183.51,
            708.44
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.645576,
          "box_xyxy": [
            143.89,
            193.58,
            1184.82,
            710.4
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.280486,
          "box_xyxy": [
            135.6,
            201.26,
            674.22,
            709.11
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.258467,
        "mean_confidence_delta_matched": -0.258467,
        "mean_matched_iou": 0.906989,
        "mean_centroid_drift_fraction_diagonal": 0.020002,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.681762,
            "confidence_delta": -0.247303,
            "disruption_including_miss": 0.247303,
            "match_iou": 0.908702,
            "centroid_drift_fraction_diagonal": 0.010016
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.645576,
            "confidence_delta": -0.269632,
            "disruption_including_miss": 0.269632,
            "match_iou": 0.905276,
            "centroid_drift_fraction_diagonal": 0.029989
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "f25b4961cef7308c0f87e4839b5587cc74f01b53e629038d5415ba9a1f37455b",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.904454,
          "box_xyxy": [
            746.74,
            43.32,
            1174.43,
            711.97
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.719862,
          "box_xyxy": [
            138.98,
            199.19,
            929.03,
            710.23
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.109978,
        "mean_confidence_delta_matched": -0.109978,
        "mean_matched_iou": 0.871106,
        "mean_centroid_drift_fraction_diagonal": 0.033591,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.904454,
            "confidence_delta": -0.024611,
            "disruption_including_miss": 0.024611,
            "match_iou": 0.937518,
            "centroid_drift_fraction_diagonal": 0.008329
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.719862,
            "confidence_delta": -0.195346,
            "disruption_including_miss": 0.195346,
            "match_iou": 0.804694,
            "centroid_drift_fraction_diagonal": 0.058853
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "a882f05b82def9e9f1494cd5bb25c2577c939c46e88d35238fadf98ed646c5e2",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.618537,
          "box_xyxy": [
            737.25,
            43.35,
            1175.63,
            708.52
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.296056,
          "box_xyxy": [
            128.66,
            199.77,
            734.26,
            709.78
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.46484,
        "mean_confidence_delta_matched": -0.46484,
        "mean_matched_iou": 0.763323,
        "mean_centroid_drift_fraction_diagonal": 0.067079,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.618537,
            "confidence_delta": -0.310528,
            "disruption_including_miss": 0.310528,
            "match_iou": 0.913616,
            "centroid_drift_fraction_diagonal": 0.00548
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.296056,
            "confidence_delta": -0.619152,
            "disruption_including_miss": 0.619152,
            "match_iou": 0.61303,
            "centroid_drift_fraction_diagonal": 0.128677
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "6198c83012de24f77613adb2eaa19435b644f7dfaf557367d5e603b3e9cd6369",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.924445,
          "box_xyxy": [
            747.9,
            43.36,
            1175.38,
            711.77
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.813238,
          "box_xyxy": [
            134.87,
            199.63,
            816.96,
            710.98
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.053295,
        "mean_confidence_delta_matched": -0.053295,
        "mean_matched_iou": 0.815509,
        "mean_centroid_drift_fraction_diagonal": 0.053722,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.924445,
            "confidence_delta": -0.00462,
            "disruption_including_miss": 0.00462,
            "match_iou": 0.935226,
            "centroid_drift_fraction_diagonal": 0.009039
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.813238,
            "confidence_delta": -0.10197,
            "disruption_including_miss": 0.10197,
            "match_iou": 0.695793,
            "centroid_drift_fraction_diagonal": 0.098406
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "274462cd18207e3b541c7972415a3a292961ebff407e169c0509ffef57753f71",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.888185,
          "box_xyxy": [
            723.56,
            42.4,
            1176.43,
            708.36
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.814851,
          "box_xyxy": [
            135.4,
            199.53,
            799.76,
            710.2
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.070619,
        "mean_confidence_delta_matched": -0.070619,
        "mean_matched_iou": 0.781126,
        "mean_centroid_drift_fraction_diagonal": 0.052696,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.888185,
            "confidence_delta": -0.04088,
            "disruption_including_miss": 0.04088,
            "match_iou": 0.885446,
            "centroid_drift_fraction_diagonal": 0.00131
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.814851,
            "confidence_delta": -0.100357,
            "disruption_including_miss": 0.100357,
            "match_iou": 0.676806,
            "centroid_drift_fraction_diagonal": 0.104082
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "1a17d1765ac86b936d43d368ee3965fdf047510957abd285d35e10d2bd19e2ff",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.725147,
          "box_xyxy": [
            136.68,
            199.48,
            862.56,
            710.58
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.635813,
          "box_xyxy": [
            744.88,
            43.24,
            1176.04,
            710.5
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.315022,
          "box_xyxy": [
            746.16,
            42.34,
            1176.83,
            709.73
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.402052,
        "mean_confidence_delta_matched": -0.402052,
        "mean_matched_iou": 0.836448,
        "mean_centroid_drift_fraction_diagonal": 0.04559,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.315022,
            "confidence_delta": -0.614043,
            "disruption_including_miss": 0.614043,
            "match_iou": 0.932796,
            "centroid_drift_fraction_diagonal": 0.008915
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.725147,
            "confidence_delta": -0.190061,
            "disruption_including_miss": 0.190061,
            "match_iou": 0.740101,
            "centroid_drift_fraction_diagonal": 0.082265
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "65713e3ed0198d3e9578f82ede42280868799a7349922b77faa12130a415b69f",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.892404,
          "box_xyxy": [
            129.91,
            199.67,
            775.58,
            710.64
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.856146,
          "box_xyxy": [
            705.27,
            44.32,
            1179.57,
            709.03
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.047862,
        "mean_confidence_delta_matched": -0.047862,
        "mean_matched_iou": 0.750637,
        "mean_centroid_drift_fraction_diagonal": 0.059132,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.856146,
            "confidence_delta": -0.072919,
            "disruption_including_miss": 0.072919,
            "match_iou": 0.84422,
            "centroid_drift_fraction_diagonal": 0.004081
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.892404,
            "confidence_delta": -0.022804,
            "disruption_including_miss": 0.022804,
            "match_iou": 0.657054,
            "centroid_drift_fraction_diagonal": 0.114183
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "2c95594cff4fea08c3bc6193c4dfe4e4063842195472a69525f9b9285ed6a7a9",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.902841,
          "box_xyxy": [
            745.14,
            43.42,
            1176.92,
            711.09
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.487779,
          "box_xyxy": [
            135.05,
            200.15,
            679.78,
            709.73
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.473978,
          "box_xyxy": [
            142.56,
            199.86,
            902.65,
            711.11
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.233727,
        "mean_confidence_delta_matched": -0.233727,
        "mean_matched_iou": 0.852449,
        "mean_centroid_drift_fraction_diagonal": 0.037612,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.902841,
            "confidence_delta": -0.026224,
            "disruption_including_miss": 0.026224,
            "match_iou": 0.929743,
            "centroid_drift_fraction_diagonal": 0.00861
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.473978,
            "confidence_delta": -0.44123,
            "disruption_including_miss": 0.44123,
            "match_iou": 0.775155,
            "centroid_drift_fraction_diagonal": 0.066614
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "fecd8cec9069cd78d6cb2b0f7591e1c470ac7de9c8202ae2371c635feb178709",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.8918,
          "box_xyxy": [
            652.95,
            42.1,
            1181.44,
            709.32
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.78072,
          "box_xyxy": [
            126.34,
            200.26,
            685.08,
            710.85
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.085876,
        "mean_confidence_delta_matched": -0.085876,
        "mean_matched_iou": 0.661174,
        "mean_centroid_drift_fraction_diagonal": 0.083736,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.8918,
            "confidence_delta": -0.037265,
            "disruption_including_miss": 0.037265,
            "match_iou": 0.759947,
            "centroid_drift_fraction_diagonal": 0.021261
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.78072,
            "confidence_delta": -0.134488,
            "disruption_including_miss": 0.134488,
            "match_iou": 0.562402,
            "centroid_drift_fraction_diagonal": 0.14621
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "78c95b0bcfd011dc1d58c15c7ceb2458e073a1f88b216c6b1486aa0bcd86c83d",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.920113,
          "box_xyxy": [
            745.33,
            43.6,
            1176.04,
            710.41
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.805677,
          "box_xyxy": [
            134.12,
            199.94,
            757.99,
            710.32
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.059242,
        "mean_confidence_delta_matched": -0.059242,
        "mean_matched_iou": 0.783574,
        "mean_centroid_drift_fraction_diagonal": 0.063552,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.920113,
            "confidence_delta": -0.008952,
            "disruption_including_miss": 0.008952,
            "match_iou": 0.931952,
            "centroid_drift_fraction_diagonal": 0.008366
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.805677,
            "confidence_delta": -0.109531,
            "disruption_including_miss": 0.109531,
            "match_iou": 0.635196,
            "centroid_drift_fraction_diagonal": 0.118739
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "f35694569d6e5f5d13bac287ad1472272c74dcc97487e72453aa16fdb9ec4a5f",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.426438,
          "box_xyxy": [
            495.73,
            249.76,
            538.77,
            328.04
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.252371,
          "box_xyxy": [
            516.16,
            286.27,
            558.48,
            364.88
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "a37e498e7178a45bc11d6c0b367439c039afbab4a9800fdbaeda835e2545eb1a",
      "target_counts": {
        "car": 1,
        "person": 2,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.359833,
          "box_xyxy": [
            19.43,
            122.44,
            690.56,
            445.5
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.338561,
          "box_xyxy": [
            516.36,
            285.56,
            558.61,
            367.87
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.316533,
          "box_xyxy": [
            19.43,
            122.44,
            690.56,
            445.5
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.31462,
          "box_xyxy": [
            496.02,
            246.1,
            539.29,
            334.58
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.133041,
        "mean_confidence_delta_matched": -0.020003,
        "mean_matched_iou": 0.971102,
        "mean_centroid_drift_fraction_diagonal": 0.005271,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.316533,
            "confidence_delta": -0.067837,
            "disruption_including_miss": 0.067837,
            "match_iou": 0.971102,
            "centroid_drift_fraction_diagonal": 0.005271
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.359833,
            "confidence_delta": 0.02783,
            "disruption_including_miss": -0.02783,
            "match_iou": 0.971102,
            "centroid_drift_fraction_diagonal": 0.005271
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "c980d7ded681a408ba62644d63aac024eaa7fa984662861435b62d56daa87f6d",
      "target_counts": {
        "car": 1,
        "person": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.37424,
          "box_xyxy": [
            515.35,
            286.24,
            558.8,
            368.07
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.358653,
          "box_xyxy": [
            16.1,
            122.59,
            688.01,
            448.21
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.321351,
          "box_xyxy": [
            16.1,
            122.59,
            688.01,
            448.21
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.131829,
        "mean_confidence_delta_matched": -0.018185,
        "mean_matched_iou": 0.978596,
        "mean_centroid_drift_fraction_diagonal": 0.001588,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.321351,
            "confidence_delta": -0.063019,
            "disruption_including_miss": 0.063019,
            "match_iou": 0.978596,
            "centroid_drift_fraction_diagonal": 0.001588
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.358653,
            "confidence_delta": 0.02665,
            "disruption_including_miss": -0.02665,
            "match_iou": 0.978596,
            "centroid_drift_fraction_diagonal": 0.001588
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "fee9042648882fe04a5c6a612bd8725ae60a9df75f94025e6609f18922a6f765",
      "target_counts": {
        "car": 1,
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.365223,
          "box_xyxy": [
            496.12,
            251.41,
            538.35,
            334.24
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.35542,
          "box_xyxy": [
            14.54,
            119.01,
            696.14,
            444.96
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.341307,
          "box_xyxy": [
            516.18,
            285.89,
            558.68,
            367.24
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.240023,
        "mean_confidence_delta_matched": 0.023417,
        "mean_matched_iou": 0.96235,
        "mean_centroid_drift_fraction_diagonal": 0.006879,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.35542,
            "confidence_delta": 0.023417,
            "disruption_including_miss": -0.023417,
            "match_iou": 0.96235,
            "centroid_drift_fraction_diagonal": 0.006879
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "47868568000740df8e36ed023cb682b24f0b4a40b36b107bc89260e22800be5b",
      "target_counts": {
        "car": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.456617,
          "box_xyxy": [
            12.36,
            122.31,
            666.76,
            448.09
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.333873,
          "box_xyxy": [
            12.36,
            122.31,
            666.76,
            448.09
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.095,
        "mean_confidence_delta_matched": 0.037059,
        "mean_matched_iou": 0.952806,
        "mean_centroid_drift_fraction_diagonal": 0.012746,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.333873,
            "confidence_delta": -0.050497,
            "disruption_including_miss": 0.050497,
            "match_iou": 0.952806,
            "centroid_drift_fraction_diagonal": 0.012746
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.456617,
            "confidence_delta": 0.124614,
            "disruption_including_miss": -0.124614,
            "match_iou": 0.952806,
            "centroid_drift_fraction_diagonal": 0.012746
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "a6fa81ff6703935ecd4afe6b5cb64f50aeb82e2bdde42e701f06d7445f38652f",
      "target_counts": {
        "car": 1,
        "person": 1
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.397569,
          "box_xyxy": [
            18.95,
            120.62,
            698.85,
            442.97
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.29709,
          "box_xyxy": [
            516.65,
            286.19,
            558.51,
            368.14
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.225974,
        "mean_confidence_delta_matched": 0.065566,
        "mean_matched_iou": 0.951198,
        "mean_centroid_drift_fraction_diagonal": 0.010309,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.397569,
            "confidence_delta": 0.065566,
            "disruption_including_miss": -0.065566,
            "match_iou": 0.951198,
            "centroid_drift_fraction_diagonal": 0.010309
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "99bf49324b01cd79af7362cb14228ebea17d6b716851b255f43517f0af2412a7",
      "target_counts": {
        "car": 1,
        "person": 2
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.47655,
          "box_xyxy": [
            19.25,
            122.33,
            695.69,
            447.97
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.29953,
          "box_xyxy": [
            516.14,
            285.94,
            559.0,
            367.08
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.275666,
          "box_xyxy": [
            495.6,
            248.16,
            539.2,
            333.9
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.199647,
        "mean_confidence_delta_matched": 0.144547,
        "mean_matched_iou": 0.974194,
        "mean_centroid_drift_fraction_diagonal": 0.007561,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.47655,
            "confidence_delta": 0.144547,
            "disruption_including_miss": -0.144547,
            "match_iou": 0.974194,
            "centroid_drift_fraction_diagonal": 0.007561
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "a3b987ca744dd3cbf22952a0c344f7fff86b5cc4a37b6e7da50b18fc6e03b65e",
      "target_counts": {
        "car": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.49727,
          "box_xyxy": [
            17.7,
            120.43,
            694.74,
            444.81
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.268411,
          "box_xyxy": [
            17.7,
            120.43,
            694.74,
            444.81
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.10327,
        "mean_confidence_delta_matched": 0.024654,
        "mean_matched_iou": 0.963539,
        "mean_centroid_drift_fraction_diagonal": 0.00723,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.268411,
            "confidence_delta": -0.115959,
            "disruption_including_miss": 0.115959,
            "match_iou": 0.963539,
            "centroid_drift_fraction_diagonal": 0.00723
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.49727,
            "confidence_delta": 0.165267,
            "disruption_including_miss": -0.165267,
            "match_iou": 0.963539,
            "centroid_drift_fraction_diagonal": 0.00723
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "d5bdeb4d63c7793b0076bfe08a5354c21b2a8a53ca00bd0e0b40cd37b1691b89",
      "target_counts": {
        "car": 1,
        "person": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.433144,
          "box_xyxy": [
            16.42,
            122.77,
            699.81,
            448.18
          ],
          "target_scope": true
        },
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.391485,
          "box_xyxy": [
            16.42,
            122.77,
            699.81,
            448.18
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.255304,
          "box_xyxy": [
            516.33,
            285.76,
            558.9,
            369.13
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.08362,
        "mean_confidence_delta_matched": 0.054128,
        "mean_matched_iou": 0.973106,
        "mean_centroid_drift_fraction_diagonal": 0.008243,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.391485,
            "confidence_delta": 0.007115,
            "disruption_including_miss": -0.007115,
            "match_iou": 0.973106,
            "centroid_drift_fraction_diagonal": 0.008243
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.433144,
            "confidence_delta": 0.101141,
            "disruption_including_miss": -0.101141,
            "match_iou": 0.973106,
            "centroid_drift_fraction_diagonal": 0.008243
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "0a9508ab8f39d07ac39c71668904366b791299a75dc6d2d8f39ea1818e378a4c",
      "target_counts": {
        "car": 2
      },
      "detections": [
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.393398,
          "box_xyxy": [
            24.66,
            124.08,
            656.86,
            443.34
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.337596,
          "box_xyxy": [
            15.73,
            123.3,
            687.61,
            445.56
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.245965,
        "mean_confidence_delta_matched": 0.005593,
        "mean_matched_iou": 0.9749,
        "mean_centroid_drift_fraction_diagonal": 0.002102,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "car",
              "confidence": 0.393398,
              "iou": 0.913192
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.337596,
            "confidence_delta": 0.005593,
            "disruption_including_miss": -0.005593,
            "match_iou": 0.9749,
            "centroid_drift_fraction_diagonal": 0.002102
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "ac66c95e033ba78ef9399545f38ef59132238709e885406cbcbb002e1dbf735d",
      "target_counts": {
        "car": 1,
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.335648,
          "box_xyxy": [
            516.43,
            285.99,
            558.97,
            368.16
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.300671,
          "box_xyxy": [
            19.07,
            122.25,
            684.26,
            445.02
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.258273,
        "mean_confidence_delta_matched": -0.031332,
        "mean_matched_iou": 0.96057,
        "mean_centroid_drift_fraction_diagonal": 0.002929,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.300671,
            "confidence_delta": -0.031332,
            "disruption_including_miss": 0.031332,
            "match_iou": 0.96057,
            "centroid_drift_fraction_diagonal": 0.002929
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "513f5a92b1316c701744d88fabde26386d1b125e9b4f2df6bdb18f7948e9c7d4",
      "target_counts": {
        "car": 1,
        "person": 1,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.306523,
          "box_xyxy": [
            13.81,
            122.65,
            688.44,
            446.03
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.281646,
          "box_xyxy": [
            496.42,
            249.4,
            539.58,
            334.2
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.273815,
          "box_xyxy": [
            13.81,
            122.65,
            688.44,
            446.03
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.165051,
        "mean_confidence_delta_matched": -0.068017,
        "mean_matched_iou": 0.978372,
        "mean_centroid_drift_fraction_diagonal": 0.002006,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.306523,
            "confidence_delta": -0.077847,
            "disruption_including_miss": 0.077847,
            "match_iou": 0.978372,
            "centroid_drift_fraction_diagonal": 0.002006
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.273815,
            "confidence_delta": -0.058188,
            "disruption_including_miss": 0.058188,
            "match_iou": 0.978372,
            "centroid_drift_fraction_diagonal": 0.002006
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "179ae5314993b6ffcf4aaebb286896147229664f3c1d1db74330619bc320f288",
      "target_counts": {
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.324187,
          "box_xyxy": [
            515.89,
            286.69,
            558.39,
            367.38
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "48c20ea38685839c1df8c560c434c6e3ae762501e2dbfe18af3ee5701a5b44a8",
      "target_counts": {
        "car": 1,
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.302795,
          "box_xyxy": [
            516.38,
            285.72,
            558.55,
            366.18
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.268872,
          "box_xyxy": [
            21.59,
            121.04,
            695.1,
            443.74
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.268873,
        "mean_confidence_delta_matched": -0.063131,
        "mean_matched_iou": 0.956115,
        "mean_centroid_drift_fraction_diagonal": 0.009446,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.268872,
            "confidence_delta": -0.063131,
            "disruption_including_miss": 0.063131,
            "match_iou": 0.956115,
            "centroid_drift_fraction_diagonal": 0.009446
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "084a8afc4a42af1dfc0fffb9be884cbd59727dc7baab28cd01e74c81c687e809",
      "target_counts": {
        "car": 1,
        "person": 2,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 7,
          "class": "truck",
          "confidence": 0.33208,
          "box_xyxy": [
            19.52,
            121.74,
            696.11,
            445.88
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.331894,
          "box_xyxy": [
            515.27,
            286.25,
            558.64,
            368.25
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "car",
          "confidence": 0.330259,
          "box_xyxy": [
            19.52,
            121.74,
            696.11,
            445.88
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.256371,
          "box_xyxy": [
            529.57,
            236.93,
            557.49,
            289.04
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.137717,
        "mean_confidence_delta_matched": -0.027017,
        "mean_matched_iou": 0.966062,
        "mean_centroid_drift_fraction_diagonal": 0.008286,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.33208,
            "confidence_delta": -0.05229,
            "disruption_including_miss": 0.05229,
            "match_iou": 0.966062,
            "centroid_drift_fraction_diagonal": 0.008286
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.330259,
            "confidence_delta": -0.001744,
            "disruption_including_miss": 0.001744,
            "match_iou": 0.966062,
            "centroid_drift_fraction_diagonal": 0.008286
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "56b2c715a6e8411c557f08133664c48e25caa946ae4abba67c5588261b4b1e73",
      "target_counts": {
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.290325,
          "box_xyxy": [
            516.3,
            286.41,
            558.75,
            365.79
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "a92368183797a6efc4c11b4a482408d16782b07e5c0fab798ecf6036c3c27f50",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "e865ae556d8370eb27d02af1f98cd6e3b5dd2f6a647d0ac582d9697fd9760a50",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.343528,
          "box_xyxy": [
            495.69,
            254.59,
            538.42,
            333.92
          ],
          "target_scope": true
        },
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.250655,
          "box_xyxy": [
            515.79,
            286.52,
            558.57,
            367.41
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "0c1ed5d20e9161fd3d3e0a6465c2197503e439efc483faeae4356ff4db75e106",
      "target_counts": {
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.300396,
          "box_xyxy": [
            581.67,
            264.09,
            709.0,
            879.8
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "51a4ec925db56cddff239f5442201e92f6a57795b928c430ee7d10f1866cc171",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "9ecf2b79933952a8ffe259390e0cdc6581329d99af67f52fe1f00b4f89014df2",
      "target_counts": {
        "person": 1
      },
      "detections": [
        {
          "class_id": 0,
          "class": "person",
          "confidence": 0.34324,
          "box_xyxy": [
            572.42,
            267.83,
            709.0,
            880.2
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "b7f57eae93077aee6d2ff2bc255d14a8fe777db8215cd8fbf084d24f06178737",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "636da407d038716872ab6f3538d76fce6cf5ea6827e49ee515535cf049798037",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "d89b6cdc98f5807e5731c8247150f24d4f4a0e1bd79146627fcdde50218a0a5f",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "73c3f53207fee0b0ca6c73f67c5475e7508bbb48baa94120646b5f2dfd46159d",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "47f4a1f38acaaece7a0fc54af572b7e067148e9454d9f4e57e21f08d9065c517",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "ef8935a01b39b0e79ee7e461c2c359b727d17fa7b751fb14378768440dd2d1f1",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "7ac5d274d3401fe0b71a5014923fa5ee0b4dca89939828b888706c7a04a552fb",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "5a190df8b1e386ba3afb7ada6091dba0de8243874e6fc623c9712ecebbb3195f",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "f2a9240e33ffc23498ed5826251f2332ef510beda0b3c92356fcf4c7b727f496",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "edf901b443ab16b0fc2e3ac03165a4119e52606bab22222d29809d5d421228e8",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "2ac02412b45450e1a2f3875fbdccff6e979dc5c3471a5efeb516aed2d5725dbf",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "2212c5ac746bbd7bfde36af3e8dcb04e23d176eb633df755b59c894c2a66c6bb",
      "target_counts": {},
      "detections": [
        {
          "class_id": 50,
          "class": "broccoli",
          "confidence": 0.425053,
          "box_xyxy": [
            331.44,
            472.52,
            477.44,
            627.44
          ],
          "target_scope": false
        },
        {
          "class_id": 50,
          "class": "broccoli",
          "confidence": 0.385391,
          "box_xyxy": [
            406.43,
            606.29,
            508.52,
            754.39
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "1ecd23d9637f666537d7600fd1b48b5e38fb6bd651fd21b62317081975fac0b6",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "2c31a9fb302cce72d4701dbc9b035a1765b3de07f62dbb3634f62e3e92bd2571",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "87034fb459ba17234e2ad27c3fe296efa8ba824ba6035285e49c0f7363d9466e",
      "target_counts": {},
      "detections": [],
      "comparison": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "d52da985e3a2718f392d5c51263b1414a504021c47a19ea6b6c12913378308fa",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99897,
          "box_xyxy": [
            204.81,
            392.37,
            347.51,
            872.23
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999461,
          "box_xyxy": [
            651.17,
            370.85,
            810.0,
            897.48
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.598723,
          "box_xyxy": [
            646.5,
            605.67,
            694.16,
            721.21
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.795003,
          "box_xyxy": [
            235.48,
            503.08,
            258.99,
            527.5
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.98521,
          "box_xyxy": [
            0.0,
            543.47,
            83.73,
            892.93
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.681112,
          "box_xyxy": [
            231.53,
            496.01,
            253.68,
            521.49
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.590391,
          "box_xyxy": [
            276.2,
            472.36,
            296.94,
            535.35
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999751,
          "box_xyxy": [
            44.64,
            385.26,
            264.45,
            915.69
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.99875,
          "box_xyxy": [
            2.41,
            228.47,
            794.39,
            741.82
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000564,
        "mean_confidence_delta_matched": -0.000564,
        "mean_matched_iou": 0.965734,
        "mean_centroid_drift_fraction_diagonal": 0.003451,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99897,
            "confidence_delta": 0.000123,
            "disruption_including_miss": -0.000123,
            "match_iou": 0.939953,
            "centroid_drift_fraction_diagonal": 0.00076
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999461,
            "confidence_delta": -2.4e-05,
            "disruption_including_miss": 2.4e-05,
            "match_iou": 0.971134,
            "centroid_drift_fraction_diagonal": 0.002256
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.98521,
            "confidence_delta": -0.002331,
            "disruption_including_miss": 0.002331,
            "match_iou": 0.991338,
            "centroid_drift_fraction_diagonal": 0.000989
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999751,
            "confidence_delta": 4.3e-05,
            "disruption_including_miss": -4.3e-05,
            "match_iou": 0.986894,
            "centroid_drift_fraction_diagonal": 0.000834
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.99875,
            "confidence_delta": -0.000633,
            "disruption_including_miss": 0.000633,
            "match_iou": 0.93935,
            "centroid_drift_fraction_diagonal": 0.012418
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "0f37de88c960312571962ae7e48a5cf16d0bed1d8aba42b9f0992a0170f0b77c",
      "target_counts": {
        "bus": 1,
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.577504,
          "box_xyxy": [
            211.22,
            424.48,
            254.1,
            518.38
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99882,
          "box_xyxy": [
            206.54,
            390.06,
            347.32,
            870.33
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999442,
          "box_xyxy": [
            652.64,
            370.37,
            810.0,
            895.73
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.713859,
          "box_xyxy": [
            649.67,
            603.96,
            692.22,
            721.02
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.862557,
          "box_xyxy": [
            234.13,
            501.32,
            257.29,
            526.82
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.985066,
          "box_xyxy": [
            0.0,
            547.03,
            84.04,
            893.8
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.567809,
          "box_xyxy": [
            274.02,
            469.41,
            293.83,
            535.43
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999727,
          "box_xyxy": [
            47.7,
            383.53,
            265.3,
            915.07
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999355,
          "box_xyxy": [
            6.06,
            225.1,
            793.4,
            732.77
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000511,
        "mean_confidence_delta_matched": -0.000511,
        "mean_matched_iou": 0.972827,
        "mean_centroid_drift_fraction_diagonal": 0.003238,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99882,
            "confidence_delta": -2.7e-05,
            "disruption_including_miss": 2.7e-05,
            "match_iou": 0.952497,
            "centroid_drift_fraction_diagonal": 0.001035
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999442,
            "confidence_delta": -4.3e-05,
            "disruption_including_miss": 4.3e-05,
            "match_iou": 0.978721,
            "centroid_drift_fraction_diagonal": 0.002907
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985066,
            "confidence_delta": -0.002475,
            "disruption_including_miss": 0.002475,
            "match_iou": 0.986487,
            "centroid_drift_fraction_diagonal": 0.000657
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999727,
            "confidence_delta": 1.9e-05,
            "disruption_including_miss": -1.9e-05,
            "match_iou": 0.988778,
            "centroid_drift_fraction_diagonal": 0.000922
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999355,
            "confidence_delta": -2.8e-05,
            "disruption_including_miss": 2.8e-05,
            "match_iou": 0.957651,
            "centroid_drift_fraction_diagonal": 0.010667
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "15d93a64dcc7a9278a259bcc342263489403a5e6d4dfb53bda3d08fc45b99275",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999013,
          "box_xyxy": [
            206.24,
            389.31,
            346.82,
            873.13
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999559,
          "box_xyxy": [
            652.32,
            374.9,
            810.0,
            896.74
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987769,
          "box_xyxy": [
            0.0,
            544.49,
            84.14,
            896.24
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999794,
          "box_xyxy": [
            45.9,
            385.97,
            263.86,
            915.02
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.755872,
          "box_xyxy": [
            0.16,
            229.42,
            799.46,
            738.12
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.936939,
          "box_xyxy": [
            235.05,
            500.64,
            258.44,
            526.03
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.048591,
        "mean_confidence_delta_matched": -0.048591,
        "mean_matched_iou": 0.972189,
        "mean_centroid_drift_fraction_diagonal": 0.002732,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999013,
            "confidence_delta": 0.000166,
            "disruption_including_miss": -0.000166,
            "match_iou": 0.947202,
            "centroid_drift_fraction_diagonal": 0.000358
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999559,
            "confidence_delta": 7.4e-05,
            "disruption_including_miss": -7.4e-05,
            "match_iou": 0.98712,
            "centroid_drift_fraction_diagonal": 0.000971
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987769,
            "confidence_delta": 0.000228,
            "disruption_including_miss": -0.000228,
            "match_iou": 0.991502,
            "centroid_drift_fraction_diagonal": 0.000626
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999794,
            "confidence_delta": 8.6e-05,
            "disruption_including_miss": -8.6e-05,
            "match_iou": 0.987296,
            "centroid_drift_fraction_diagonal": 0.000602
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.755872,
            "confidence_delta": -0.243511,
            "disruption_including_miss": 0.243511,
            "match_iou": 0.947826,
            "centroid_drift_fraction_diagonal": 0.011101
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "001ac8527dddc6808e504a747d2d3c5149429467d6592392c590d33c7f3a67d1",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999093,
          "box_xyxy": [
            205.81,
            390.93,
            349.71,
            872.99
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999396,
          "box_xyxy": [
            653.88,
            373.17,
            810.0,
            896.3
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.766765,
          "box_xyxy": [
            649.6,
            606.31,
            693.69,
            719.1
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.853818,
          "box_xyxy": [
            234.01,
            501.1,
            257.29,
            525.82
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.986326,
          "box_xyxy": [
            0.0,
            544.15,
            83.53,
            892.09
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999716,
          "box_xyxy": [
            46.79,
            384.05,
            262.53,
            915.35
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999055,
          "box_xyxy": [
            9.86,
            227.09,
            794.22,
            731.46
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.619966,
          "box_xyxy": [
            417.81,
            658.23,
            460.87,
            764.76
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.576983,
          "box_xyxy": [
            237.97,
            498.13,
            260.21,
            522.21
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000276,
        "mean_confidence_delta_matched": -0.000276,
        "mean_matched_iou": 0.972274,
        "mean_centroid_drift_fraction_diagonal": 0.002763,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999093,
            "confidence_delta": 0.000246,
            "disruption_including_miss": -0.000246,
            "match_iou": 0.928727,
            "centroid_drift_fraction_diagonal": 0.001363
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999396,
            "confidence_delta": -8.9e-05,
            "disruption_including_miss": 8.9e-05,
            "match_iou": 0.990318,
            "centroid_drift_fraction_diagonal": 0.001635
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986326,
            "confidence_delta": -0.001215,
            "disruption_including_miss": 0.001215,
            "match_iou": 0.988499,
            "centroid_drift_fraction_diagonal": 0.001054
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999716,
            "confidence_delta": 8e-06,
            "disruption_including_miss": -8e-06,
            "match_iou": 0.984497,
            "centroid_drift_fraction_diagonal": 0.00081
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999055,
            "confidence_delta": -0.000328,
            "disruption_including_miss": 0.000328,
            "match_iou": 0.96933,
            "centroid_drift_fraction_diagonal": 0.008952
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "e2b24de546d38e1f80aaf041f2436e0f7f5ff78a441a802745b564cdbfeecd79",
      "target_counts": {
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998782,
          "box_xyxy": [
            209.96,
            389.67,
            350.56,
            873.61
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999372,
          "box_xyxy": [
            652.59,
            372.28,
            810.0,
            896.93
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.66758,
          "box_xyxy": [
            650.74,
            609.96,
            691.41,
            723.9
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.887416,
          "box_xyxy": [
            233.81,
            500.62,
            257.1,
            525.98
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.986879,
          "box_xyxy": [
            0.0,
            542.22,
            82.59,
            892.29
          ],
          "target_scope": true
        },
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.99458,
          "box_xyxy": [
            25.77,
            227.99,
            800.23,
            721.54
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999799,
          "box_xyxy": [
            46.33,
            382.33,
            262.81,
            915.0
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.821335,
          "box_xyxy": [
            418.36,
            673.7,
            458.58,
            767.06
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 4,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.200026,
        "mean_confidence_delta_matched": -0.000187,
        "mean_matched_iou": 0.967518,
        "mean_centroid_drift_fraction_diagonal": 0.002009,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998782,
            "confidence_delta": -6.5e-05,
            "disruption_including_miss": 6.5e-05,
            "match_iou": 0.929741,
            "centroid_drift_fraction_diagonal": 0.00313
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999372,
            "confidence_delta": -0.000113,
            "disruption_including_miss": 0.000113,
            "match_iou": 0.983592,
            "centroid_drift_fraction_diagonal": 0.001776
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986879,
            "confidence_delta": -0.000662,
            "disruption_including_miss": 0.000662,
            "match_iou": 0.972665,
            "centroid_drift_fraction_diagonal": 0.001749
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999799,
            "confidence_delta": 9.1e-05,
            "disruption_including_miss": -9.1e-05,
            "match_iou": 0.984075,
            "centroid_drift_fraction_diagonal": 0.001381
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.999383,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "umbrella",
              "confidence": 0.99458,
              "iou": 0.972485
            }
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "dd7d6bd55f97fedc48afc87f39c902da1fd39cceafbb1848bd9f90ab08eceaac",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998946,
          "box_xyxy": [
            210.26,
            392.94,
            350.06,
            874.39
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999589,
          "box_xyxy": [
            652.71,
            374.73,
            810.0,
            898.04
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.72891,
          "box_xyxy": [
            650.75,
            603.31,
            692.65,
            723.21
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.988181,
          "box_xyxy": [
            0.0,
            543.42,
            83.98,
            894.22
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.913714,
          "box_xyxy": [
            233.31,
            499.17,
            256.99,
            525.76
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.554955,
          "box_xyxy": [
            274.67,
            469.0,
            294.72,
            533.24
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999749,
          "box_xyxy": [
            47.47,
            386.03,
            263.0,
            915.0
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.998819,
          "box_xyxy": [
            11.64,
            224.81,
            796.22,
            735.19
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -6.4e-05,
        "mean_confidence_delta_matched": 6.4e-05,
        "mean_matched_iou": 0.971172,
        "mean_centroid_drift_fraction_diagonal": 0.002509,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998946,
            "confidence_delta": 9.9e-05,
            "disruption_including_miss": -9.9e-05,
            "match_iou": 0.932692,
            "centroid_drift_fraction_diagonal": 0.00352
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999589,
            "confidence_delta": 0.000104,
            "disruption_including_miss": -0.000104,
            "match_iou": 0.986863,
            "centroid_drift_fraction_diagonal": 0.000546
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988181,
            "confidence_delta": 0.00064,
            "disruption_including_miss": -0.00064,
            "match_iou": 0.994037,
            "centroid_drift_fraction_diagonal": 0.000533
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999749,
            "confidence_delta": 4.1e-05,
            "disruption_including_miss": -4.1e-05,
            "match_iou": 0.979445,
            "centroid_drift_fraction_diagonal": 0.000379
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998819,
            "confidence_delta": -0.000564,
            "disruption_including_miss": 0.000564,
            "match_iou": 0.962821,
            "centroid_drift_fraction_diagonal": 0.007568
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "53be74fdb0d664ab694d9752c0ee6f3724a16514c78e0f36aa316fe2b211bfa9",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "truck": 1
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998921,
          "box_xyxy": [
            206.41,
            389.48,
            347.05,
            871.76
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999387,
          "box_xyxy": [
            653.72,
            376.26,
            810.0,
            898.84
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.988672,
          "box_xyxy": [
            0.0,
            544.68,
            85.72,
            895.84
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.561537,
          "box_xyxy": [
            273.14,
            469.3,
            294.02,
            533.54
          ],
          "target_scope": false
        },
        {
          "class_id": 8,
          "class": "truck",
          "confidence": 0.68277,
          "box_xyxy": [
            2.11,
            226.12,
            795.99,
            750.43
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999765,
          "box_xyxy": [
            47.93,
            385.35,
            265.07,
            915.25
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.995665,
          "box_xyxy": [
            0.53,
            225.69,
            795.63,
            740.95
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.911135,
          "box_xyxy": [
            235.65,
            500.21,
            258.81,
            524.25
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000511,
        "mean_confidence_delta_matched": -0.000511,
        "mean_matched_iou": 0.969105,
        "mean_centroid_drift_fraction_diagonal": 0.002986,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998921,
            "confidence_delta": 7.4e-05,
            "disruption_including_miss": -7.4e-05,
            "match_iou": 0.949821,
            "centroid_drift_fraction_diagonal": 0.000702
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999387,
            "confidence_delta": -9.8e-05,
            "disruption_including_miss": 9.8e-05,
            "match_iou": 0.994121,
            "centroid_drift_fraction_diagonal": 0.000452
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988672,
            "confidence_delta": 0.001131,
            "disruption_including_miss": -0.001131,
            "match_iou": 0.97383,
            "centroid_drift_fraction_diagonal": 0.000885
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999765,
            "confidence_delta": 5.7e-05,
            "disruption_including_miss": -5.7e-05,
            "match_iou": 0.987863,
            "centroid_drift_fraction_diagonal": 0.000645
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.995665,
            "confidence_delta": -0.003718,
            "disruption_including_miss": 0.003718,
            "match_iou": 0.939888,
            "centroid_drift_fraction_diagonal": 0.012246
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "58f4c65590df54c3f9d64c83b5ea1c7f59dd4a118ec08e02b525579dc1128b7d",
      "target_counts": {
        "bus": 1,
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.573797,
          "box_xyxy": [
            211.18,
            425.98,
            253.39,
            518.9
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998862,
          "box_xyxy": [
            204.78,
            392.19,
            347.46,
            872.92
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999527,
          "box_xyxy": [
            651.88,
            372.73,
            810.0,
            897.21
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.578246,
          "box_xyxy": [
            649.69,
            600.15,
            693.13,
            721.26
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.691071,
          "box_xyxy": [
            234.18,
            504.46,
            256.07,
            528.26
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987223,
          "box_xyxy": [
            0.0,
            546.07,
            83.61,
            893.55
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.520623,
          "box_xyxy": [
            273.72,
            468.5,
            293.63,
            533.78
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999726,
          "box_xyxy": [
            46.3,
            386.46,
            265.56,
            915.46
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999202,
          "box_xyxy": [
            15.67,
            225.33,
            793.45,
            734.63
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.8112,
          "box_xyxy": [
            235.39,
            501.11,
            258.85,
            526.59
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 8.5e-05,
        "mean_confidence_delta_matched": -8.5e-05,
        "mean_matched_iou": 0.972973,
        "mean_centroid_drift_fraction_diagonal": 0.002095,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998862,
            "confidence_delta": 1.5e-05,
            "disruption_including_miss": -1.5e-05,
            "match_iou": 0.939069,
            "centroid_drift_fraction_diagonal": 0.000946
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999527,
            "confidence_delta": 4.2e-05,
            "disruption_including_miss": -4.2e-05,
            "match_iou": 0.979493,
            "centroid_drift_fraction_diagonal": 0.001604
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987223,
            "confidence_delta": -0.000318,
            "disruption_including_miss": 0.000318,
            "match_iou": 0.98859,
            "centroid_drift_fraction_diagonal": 0.000218
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999726,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.991384,
            "centroid_drift_fraction_diagonal": 0.000607
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999202,
            "confidence_delta": -0.000181,
            "disruption_including_miss": 0.000181,
            "match_iou": 0.96633,
            "centroid_drift_fraction_diagonal": 0.007101
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "81996c2453d7841bb279c6d4dd42276ce9a870bec00ada54b693fc1d93bfa746",
      "target_counts": {
        "bus": 1,
        "person": 4,
        "train": 1
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999055,
          "box_xyxy": [
            209.78,
            389.44,
            347.48,
            873.22
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999123,
          "box_xyxy": [
            653.69,
            368.71,
            810.0,
            897.47
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.750859,
          "box_xyxy": [
            650.18,
            607.92,
            692.6,
            722.03
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.834159,
          "box_xyxy": [
            235.52,
            502.1,
            258.85,
            526.91
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.988136,
          "box_xyxy": [
            0.0,
            541.24,
            83.59,
            896.98
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.571963,
          "box_xyxy": [
            275.45,
            469.81,
            295.8,
            534.81
          ],
          "target_scope": false
        },
        {
          "class_id": 7,
          "class": "train",
          "confidence": 0.600899,
          "box_xyxy": [
            2.64,
            226.14,
            796.29,
            746.96
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999726,
          "box_xyxy": [
            47.51,
            386.68,
            262.07,
            915.43
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.638974,
          "box_xyxy": [
            2.5,
            228.71,
            795.35,
            737.14
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.07199,
        "mean_confidence_delta_matched": -0.07199,
        "mean_matched_iou": 0.96818,
        "mean_centroid_drift_fraction_diagonal": 0.00351,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999055,
            "confidence_delta": 0.000208,
            "disruption_including_miss": -0.000208,
            "match_iou": 0.951957,
            "centroid_drift_fraction_diagonal": 0.001911
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999123,
            "confidence_delta": -0.000362,
            "disruption_including_miss": 0.000362,
            "match_iou": 0.98269,
            "centroid_drift_fraction_diagonal": 0.002852
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988136,
            "confidence_delta": 0.000595,
            "disruption_including_miss": -0.000595,
            "match_iou": 0.982914,
            "centroid_drift_fraction_diagonal": 0.000326
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999726,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.974631,
            "centroid_drift_fraction_diagonal": 0.000893
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.638974,
            "confidence_delta": -0.360409,
            "disruption_including_miss": 0.360409,
            "match_iou": 0.948706,
            "centroid_drift_fraction_diagonal": 0.011569
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "eb3c657bbfda91a282eda21b84b424652e5a4f5f7f6acb5c8f650806b62741ed",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99887,
          "box_xyxy": [
            206.11,
            389.91,
            345.34,
            872.18
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999373,
          "box_xyxy": [
            653.63,
            370.69,
            810.0,
            896.91
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.84086,
          "box_xyxy": [
            647.52,
            607.36,
            692.45,
            721.63
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.840466,
          "box_xyxy": [
            234.19,
            501.09,
            258.37,
            526.78
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.985301,
          "box_xyxy": [
            0.0,
            544.24,
            83.37,
            894.43
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999754,
          "box_xyxy": [
            47.06,
            383.52,
            262.82,
            913.86
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999171,
          "box_xyxy": [
            8.19,
            223.99,
            794.54,
            735.37
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000499,
        "mean_confidence_delta_matched": -0.000499,
        "mean_matched_iou": 0.975135,
        "mean_centroid_drift_fraction_diagonal": 0.002706,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99887,
            "confidence_delta": 2.3e-05,
            "disruption_including_miss": -2.3e-05,
            "match_iou": 0.95946,
            "centroid_drift_fraction_diagonal": 0.000297
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999373,
            "confidence_delta": -0.000112,
            "disruption_including_miss": 0.000112,
            "match_iou": 0.98718,
            "centroid_drift_fraction_diagonal": 0.002326
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985301,
            "confidence_delta": -0.00224,
            "disruption_including_miss": 0.00224,
            "match_iou": 0.99344,
            "centroid_drift_fraction_diagonal": 0.000223
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999754,
            "confidence_delta": 4.6e-05,
            "disruption_including_miss": -4.6e-05,
            "match_iou": 0.980863,
            "centroid_drift_fraction_diagonal": 0.001228
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999171,
            "confidence_delta": -0.000212,
            "disruption_including_miss": 0.000212,
            "match_iou": 0.954733,
            "centroid_drift_fraction_diagonal": 0.009455
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "dbe0718c9de856be63ac379300b1dca7e7a64f8ecd79ebec224a3d7e4c84e1a4",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998976,
          "box_xyxy": [
            208.77,
            391.52,
            345.5,
            873.58
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999458,
          "box_xyxy": [
            653.8,
            373.68,
            810.0,
            898.01
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.790106,
          "box_xyxy": [
            234.45,
            501.55,
            257.89,
            526.48
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987473,
          "box_xyxy": [
            0.0,
            541.76,
            84.48,
            894.81
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999742,
          "box_xyxy": [
            48.2,
            386.08,
            263.35,
            916.13
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.998307,
          "box_xyxy": [
            4.94,
            229.27,
            796.1,
            733.23
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000202,
        "mean_confidence_delta_matched": -0.000202,
        "mean_matched_iou": 0.978072,
        "mean_centroid_drift_fraction_diagonal": 0.002773,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998976,
            "confidence_delta": 0.000129,
            "disruption_including_miss": -0.000129,
            "match_iou": 0.976424,
            "centroid_drift_fraction_diagonal": 0.001237
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999458,
            "confidence_delta": -2.7e-05,
            "disruption_including_miss": 2.7e-05,
            "match_iou": 0.990301,
            "centroid_drift_fraction_diagonal": 0.000812
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987473,
            "confidence_delta": -6.8e-05,
            "disruption_including_miss": 6.8e-05,
            "match_iou": 0.985163,
            "centroid_drift_fraction_diagonal": 0.000958
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999742,
            "confidence_delta": 3.4e-05,
            "disruption_including_miss": -3.4e-05,
            "match_iou": 0.979714,
            "centroid_drift_fraction_diagonal": 0.000682
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998307,
            "confidence_delta": -0.001076,
            "disruption_including_miss": 0.001076,
            "match_iou": 0.958757,
            "centroid_drift_fraction_diagonal": 0.010177
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "d0add741edec28604805ecab671fbd1e12127ab5d1839cd06f4e03d5bb67c2fe",
      "target_counts": {
        "bus": 1,
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998915,
          "box_xyxy": [
            208.46,
            388.71,
            349.62,
            872.93
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99951,
          "box_xyxy": [
            652.92,
            375.12,
            810.0,
            896.84
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.558559,
          "box_xyxy": [
            650.53,
            603.39,
            692.62,
            721.66
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.90813,
          "box_xyxy": [
            233.52,
            501.76,
            257.73,
            526.54
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.986214,
          "box_xyxy": [
            0.0,
            542.27,
            84.17,
            895.68
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.513261,
          "box_xyxy": [
            274.53,
            469.28,
            294.81,
            534.15
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.534055,
          "box_xyxy": [
            210.55,
            426.62,
            252.12,
            522.12
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999743,
          "box_xyxy": [
            45.86,
            384.99,
            263.21,
            913.19
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.999073,
          "box_xyxy": [
            18.83,
            227.47,
            798.06,
            735.45
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000302,
        "mean_confidence_delta_matched": -0.000302,
        "mean_matched_iou": 0.976323,
        "mean_centroid_drift_fraction_diagonal": 0.001818,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998915,
            "confidence_delta": 6.8e-05,
            "disruption_including_miss": -6.8e-05,
            "match_iou": 0.942531,
            "centroid_drift_fraction_diagonal": 0.002241
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.99951,
            "confidence_delta": 2.5e-05,
            "disruption_including_miss": -2.5e-05,
            "match_iou": 0.991194,
            "centroid_drift_fraction_diagonal": 0.000765
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986214,
            "confidence_delta": -0.001327,
            "disruption_including_miss": 0.001327,
            "match_iou": 0.987952,
            "centroid_drift_fraction_diagonal": 0.000435
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999743,
            "confidence_delta": 3.5e-05,
            "disruption_including_miss": -3.5e-05,
            "match_iou": 0.982589,
            "centroid_drift_fraction_diagonal": 0.001155
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999073,
            "confidence_delta": -0.00031,
            "disruption_including_miss": 0.00031,
            "match_iou": 0.977347,
            "centroid_drift_fraction_diagonal": 0.004492
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "1642088e3b88f9c6788a53c4c5fc5993cc5e31daee607df58b9b996172b924c6",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998915,
          "box_xyxy": [
            203.21,
            390.05,
            347.44,
            874.66
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999535,
          "box_xyxy": [
            654.34,
            377.01,
            810.0,
            897.88
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.719049,
          "box_xyxy": [
            649.26,
            603.89,
            693.37,
            722.67
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.98746,
          "box_xyxy": [
            0.0,
            539.87,
            84.78,
            895.62
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.871118,
          "box_xyxy": [
            235.42,
            496.74,
            259.16,
            524.53
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999739,
          "box_xyxy": [
            49.16,
            382.23,
            263.92,
            914.93
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.990488,
          "box_xyxy": [
            6.36,
            226.37,
            796.18,
            746.29
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.580978,
          "box_xyxy": [
            420.5,
            653.1,
            459.35,
            767.51
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.001765,
        "mean_confidence_delta_matched": -0.001765,
        "mean_matched_iou": 0.960908,
        "mean_centroid_drift_fraction_diagonal": 0.002998,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998915,
            "confidence_delta": 6.8e-05,
            "disruption_including_miss": -6.8e-05,
            "match_iou": 0.921726,
            "centroid_drift_fraction_diagonal": 0.00096
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999535,
            "confidence_delta": 5e-05,
            "disruption_including_miss": -5e-05,
            "match_iou": 0.993436,
            "centroid_drift_fraction_diagonal": 0.000447
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.98746,
            "confidence_delta": -8.1e-05,
            "disruption_including_miss": 8.1e-05,
            "match_iou": 0.974392,
            "centroid_drift_fraction_diagonal": 0.001373
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999739,
            "confidence_delta": 3.1e-05,
            "disruption_including_miss": -3.1e-05,
            "match_iou": 0.975974,
            "centroid_drift_fraction_diagonal": 0.001371
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.990488,
            "confidence_delta": -0.008895,
            "disruption_including_miss": 0.008895,
            "match_iou": 0.93901,
            "centroid_drift_fraction_diagonal": 0.010841
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "d80b2290db0e40db034748f13c0853b9b56ff30c01c44506e39c47e5899e7a31",
      "target_counts": {
        "bus": 1,
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998655,
          "box_xyxy": [
            208.09,
            392.66,
            350.28,
            874.63
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999362,
          "box_xyxy": [
            652.61,
            373.61,
            810.0,
            898.71
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.833963,
          "box_xyxy": [
            649.19,
            603.71,
            693.08,
            724.48
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.904386,
          "box_xyxy": [
            233.98,
            502.03,
            257.62,
            526.83
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.985054,
          "box_xyxy": [
            0.0,
            543.0,
            83.7,
            895.82
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.69887,
          "box_xyxy": [
            274.52,
            467.98,
            294.6,
            533.27
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.56963,
          "box_xyxy": [
            211.68,
            432.4,
            251.47,
            523.32
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999795,
          "box_xyxy": [
            44.73,
            384.13,
            264.61,
            912.73
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.998903,
          "box_xyxy": [
            7.55,
            228.08,
            794.38,
            733.96
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.580575,
          "box_xyxy": [
            417.29,
            652.9,
            458.32,
            763.95
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000639,
        "mean_confidence_delta_matched": -0.000639,
        "mean_matched_iou": 0.971706,
        "mean_centroid_drift_fraction_diagonal": 0.003006,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998655,
            "confidence_delta": -0.000192,
            "disruption_including_miss": 0.000192,
            "match_iou": 0.93809,
            "centroid_drift_fraction_diagonal": 0.002909
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999362,
            "confidence_delta": -0.000123,
            "disruption_including_miss": 0.000123,
            "match_iou": 0.982874,
            "centroid_drift_fraction_diagonal": 0.000701
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985054,
            "confidence_delta": -0.002487,
            "disruption_including_miss": 0.002487,
            "match_iou": 0.992322,
            "centroid_drift_fraction_diagonal": 0.000103
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999795,
            "confidence_delta": 8.7e-05,
            "disruption_including_miss": -8.7e-05,
            "match_iou": 0.984635,
            "centroid_drift_fraction_diagonal": 0.00149
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998903,
            "confidence_delta": -0.00048,
            "disruption_including_miss": 0.00048,
            "match_iou": 0.960607,
            "centroid_drift_fraction_diagonal": 0.009828
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "candidate",
      "image_sha256": "ae1e3a195faa4338d040ba5cbcd1318bf378bf6a6124ad6415a836237f8c93ab",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999086,
          "box_xyxy": [
            201.06,
            390.87,
            347.76,
            872.27
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999351,
          "box_xyxy": [
            653.32,
            375.42,
            810.0,
            897.59
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987276,
          "box_xyxy": [
            0.0,
            544.12,
            84.51,
            893.93
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.776903,
          "box_xyxy": [
            7.88,
            224.73,
            792.97,
            731.71
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999747,
          "box_xyxy": [
            47.19,
            381.65,
            264.46,
            916.48
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.907339,
          "box_xyxy": [
            235.35,
            501.42,
            258.28,
            526.31
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.04452,
        "mean_confidence_delta_matched": -0.04452,
        "mean_matched_iou": 0.968621,
        "mean_centroid_drift_fraction_diagonal": 0.002614,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999086,
            "confidence_delta": 0.000239,
            "disruption_including_miss": -0.000239,
            "match_iou": 0.912249,
            "centroid_drift_fraction_diagonal": 0.001234
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999351,
            "confidence_delta": -0.000134,
            "disruption_including_miss": 0.000134,
            "match_iou": 0.992868,
            "centroid_drift_fraction_diagonal": 0.000349
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987276,
            "confidence_delta": -0.000265,
            "disruption_including_miss": 0.000265,
            "match_iou": 0.988972,
            "centroid_drift_fraction_diagonal": 0.000456
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999747,
            "confidence_delta": 3.9e-05,
            "disruption_including_miss": -3.9e-05,
            "match_iou": 0.988418,
            "centroid_drift_fraction_diagonal": 0.000849
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.776903,
            "confidence_delta": -0.22248,
            "disruption_including_miss": 0.22248,
            "match_iou": 0.960596,
            "centroid_drift_fraction_diagonal": 0.010182
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 310,
      "variant_kind": "matched-control",
      "image_sha256": "aab3c95db0d149267449b496531004dbb38aedb3748f66b5d3bd05758e0759b9",
      "target_counts": {
        "bus": 1,
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.52017,
          "box_xyxy": [
            211.71,
            429.32,
            252.18,
            518.38
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998831,
          "box_xyxy": [
            205.01,
            391.15,
            346.27,
            874.65
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999439,
          "box_xyxy": [
            653.81,
            373.37,
            810.0,
            897.02
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.777165,
          "box_xyxy": [
            649.85,
            605.58,
            693.0,
            721.21
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.985685,
          "box_xyxy": [
            0.0,
            545.19,
            85.12,
            893.93
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.534694,
          "box_xyxy": [
            276.08,
            465.84,
            296.21,
            530.46
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99976,
          "box_xyxy": [
            44.76,
            386.46,
            263.78,
            914.14
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.996829,
          "box_xyxy": [
            0.0,
            224.31,
            795.1,
            740.71
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.897237,
          "box_xyxy": [
            234.58,
            501.95,
            258.69,
            526.84
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000884,
        "mean_confidence_delta_matched": -0.000884,
        "mean_matched_iou": 0.966052,
        "mean_centroid_drift_fraction_diagonal": 0.003306,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998831,
            "confidence_delta": -1.6e-05,
            "disruption_including_miss": 1.6e-05,
            "match_iou": 0.943266,
            "centroid_drift_fraction_diagonal": 0.001238
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999439,
            "confidence_delta": -4.6e-05,
            "disruption_including_miss": 4.6e-05,
            "match_iou": 0.991523,
            "centroid_drift_fraction_diagonal": 0.001293
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985685,
            "confidence_delta": -0.001856,
            "disruption_including_miss": 0.001856,
            "match_iou": 0.979555,
            "centroid_drift_fraction_diagonal": 0.000482
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.99976,
            "confidence_delta": 5.2e-05,
            "disruption_including_miss": -5.2e-05,
            "match_iou": 0.979329,
            "centroid_drift_fraction_diagonal": 0.001014
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.996829,
            "confidence_delta": -0.002554,
            "disruption_including_miss": 0.002554,
            "match_iou": 0.936586,
            "centroid_drift_fraction_diagonal": 0.012501
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "candidate",
      "image_sha256": "c2c6aa354904a95db1d4d35feffda86d2987be0037d205ce28edac5f3aff1adc",
      "target_counts": {
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998961,
          "box_xyxy": [
            208.06,
            392.39,
            347.89,
            873.64
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999302,
          "box_xyxy": [
            651.94,
            379.29,
            810.0,
            897.44
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.985067,
          "box_xyxy": [
            0.0,
            543.53,
            85.33,
            895.86
          ],
          "target_scope": true
        },
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.950419,
          "box_xyxy": [
            23.03,
            223.41,
            794.33,
            723.27
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999741,
          "box_xyxy": [
            44.49,
            386.28,
            263.88,
            915.27
          ],
          "target_scope": true
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.926012,
          "box_xyxy": [
            234.46,
            500.56,
            258.14,
            525.32
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 4,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.200379,
        "mean_confidence_delta_matched": -0.000628,
        "mean_matched_iou": 0.974629,
        "mean_centroid_drift_fraction_diagonal": 0.001221,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998961,
            "confidence_delta": 0.000114,
            "disruption_including_miss": -0.000114,
            "match_iou": 0.956389,
            "centroid_drift_fraction_diagonal": 0.00192
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999302,
            "confidence_delta": -0.000183,
            "disruption_including_miss": 0.000183,
            "match_iou": 0.98362,
            "centroid_drift_fraction_diagonal": 0.001237
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985067,
            "confidence_delta": -0.002474,
            "disruption_including_miss": 0.002474,
            "match_iou": 0.977509,
            "centroid_drift_fraction_diagonal": 0.000572
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999741,
            "confidence_delta": 3.3e-05,
            "disruption_including_miss": -3.3e-05,
            "match_iou": 0.980999,
            "centroid_drift_fraction_diagonal": 0.001157
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.999383,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "umbrella",
              "confidence": 0.950419,
              "iou": 0.962898
            }
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 558,
      "variant_kind": "matched-control",
      "image_sha256": "e79613071e6636df5cc7827b400b950631f13428937f2926a98dbf6e79247ee0",
      "target_counts": {
        "bus": 1,
        "person": 4
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999028,
          "box_xyxy": [
            208.03,
            392.18,
            348.47,
            872.22
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999503,
          "box_xyxy": [
            654.07,
            375.04,
            810.0,
            897.36
          ],
          "target_scope": true
        },
        {
          "class_id": 11,
          "class": "fire hydrant",
          "confidence": 0.884486,
          "box_xyxy": [
            648.49,
            607.39,
            693.12,
            723.39
          ],
          "target_scope": false
        },
        {
          "class_id": 77,
          "class": "cell phone",
          "confidence": 0.869499,
          "box_xyxy": [
            234.51,
            500.66,
            257.91,
            525.84
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.987069,
          "box_xyxy": [
            0.0,
            541.69,
            84.02,
            893.54
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.593421,
          "box_xyxy": [
            275.26,
            471.62,
            294.56,
            537.04
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.999767,
          "box_xyxy": [
            46.91,
            386.69,
            262.8,
            913.49
          ],
          "target_scope": true
        },
        {
          "class_id": 6,
          "class": "bus",
          "confidence": 0.998767,
          "box_xyxy": [
            2.38,
            226.96,
            794.95,
            738.66
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000166,
        "mean_confidence_delta_matched": -0.000166,
        "mean_matched_iou": 0.971883,
        "mean_centroid_drift_fraction_diagonal": 0.003216,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999028,
            "confidence_delta": 0.000181,
            "disruption_including_miss": -0.000181,
            "match_iou": 0.955456,
            "centroid_drift_fraction_diagonal": 0.001766
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999503,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.9924,
            "centroid_drift_fraction_diagonal": 0.000567
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987069,
            "confidence_delta": -0.000472,
            "disruption_including_miss": 0.000472,
            "match_iou": 0.986781,
            "centroid_drift_fraction_diagonal": 0.001424
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999767,
            "confidence_delta": 5.9e-05,
            "disruption_including_miss": -5.9e-05,
            "match_iou": 0.977056,
            "centroid_drift_fraction_diagonal": 0.000583
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998767,
            "confidence_delta": -0.000616,
            "disruption_including_miss": 0.000616,
            "match_iou": 0.947722,
            "centroid_drift_fraction_diagonal": 0.011738
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "ef00a1906aa128d333971f3a046fb64fc76e1a25b7beb1bbfd3b4ab93eb01aee",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.55504,
          "box_xyxy": [
            377.21,
            429.17,
            561.61,
            678.73
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.896136,
          "box_xyxy": [
            451.71,
            425.64,
            569.43,
            644.37
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.892669,
          "box_xyxy": [
            985.59,
            300.96,
            1052.77,
            421.15
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.99286,
          "box_xyxy": [
            112.14,
            198.07,
            698.94,
            707.47
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998348,
          "box_xyxy": [
            636.7,
            38.84,
            1191.74,
            705.3
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 6.1e-05,
        "mean_confidence_delta_matched": -6.1e-05,
        "mean_matched_iou": 0.68169,
        "mean_centroid_drift_fraction_diagonal": 0.09272,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.99286,
            "confidence_delta": -0.000954,
            "disruption_including_miss": 0.000954,
            "match_iou": 0.542571,
            "centroid_drift_fraction_diagonal": 0.164067
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998348,
            "confidence_delta": 0.000833,
            "disruption_including_miss": -0.000833,
            "match_iou": 0.820809,
            "centroid_drift_fraction_diagonal": 0.021374
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "5b0ea3f1ba8d0d0ddfcfa17982d19f2c3f343604464cfc79941327f98c50d24e",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.924221,
          "box_xyxy": [
            429.67,
            425.64,
            576.56,
            697.94
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.983394,
          "box_xyxy": [
            991.42,
            300.49,
            1060.57,
            420.12
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.993958,
          "box_xyxy": [
            122.93,
            198.33,
            688.89,
            706.78
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.622242,
          "box_xyxy": [
            429.86,
            428.18,
            521.78,
            690.34
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998842,
          "box_xyxy": [
            622.57,
            39.15,
            1182.78,
            705.11
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -0.000736,
        "mean_confidence_delta_matched": 0.000736,
        "mean_matched_iou": 0.676304,
        "mean_centroid_drift_fraction_diagonal": 0.096523,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.993958,
            "confidence_delta": 0.000144,
            "disruption_including_miss": -0.000144,
            "match_iou": 0.539176,
            "centroid_drift_fraction_diagonal": 0.163815
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998842,
            "confidence_delta": 0.001327,
            "disruption_including_miss": -0.001327,
            "match_iou": 0.813432,
            "centroid_drift_fraction_diagonal": 0.029232
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "e7d75a017d136fb458c83db9525a36b7378135a26646dcfa24d1bcaeb4cca065",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.949641,
          "box_xyxy": [
            988.75,
            300.2,
            1063.18,
            420.8
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.97797,
          "box_xyxy": [
            112.91,
            197.83,
            701.45,
            705.4
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.997496,
          "box_xyxy": [
            612.16,
            39.05,
            1192.2,
            704.71
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.007932,
        "mean_confidence_delta_matched": -0.007932,
        "mean_matched_iou": 0.665381,
        "mean_centroid_drift_fraction_diagonal": 0.096263,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.97797,
            "confidence_delta": -0.015844,
            "disruption_including_miss": 0.015844,
            "match_iou": 0.545591,
            "centroid_drift_fraction_diagonal": 0.162952
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.997496,
            "confidence_delta": -1.9e-05,
            "disruption_including_miss": 1.9e-05,
            "match_iou": 0.78517,
            "centroid_drift_fraction_diagonal": 0.029573
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "f6bfee97313b16632539b207e8bd569be7df22de2fecd19f8b19e016b749c18a",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.987638,
          "box_xyxy": [
            989.82,
            301.75,
            1057.26,
            419.56
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.977827,
          "box_xyxy": [
            118.41,
            198.95,
            687.15,
            706.66
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.977856,
          "box_xyxy": [
            382.33,
            428.93,
            502.2,
            651.93
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.865145,
          "box_xyxy": [
            122.09,
            201.28,
            1170.89,
            704.64
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.994667,
          "box_xyxy": [
            642.59,
            40.39,
            1188.47,
            704.97
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.065758,
        "mean_confidence_delta_matched": -0.065758,
        "mean_matched_iou": 0.912811,
        "mean_centroid_drift_fraction_diagonal": 0.01037,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.865145,
            "confidence_delta": -0.128669,
            "disruption_including_miss": 0.128669,
            "match_iou": 0.990682,
            "centroid_drift_fraction_diagonal": 0.000266
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.994667,
            "confidence_delta": -0.002848,
            "disruption_including_miss": 0.002848,
            "match_iou": 0.83494,
            "centroid_drift_fraction_diagonal": 0.020473
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "095fa6049f3c8ac515831a863812444311a9acc831f1b0162b87e0f40561c34a",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.70129,
          "box_xyxy": [
            988.88,
            301.06,
            1069.16,
            418.49
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.981866,
          "box_xyxy": [
            105.9,
            196.77,
            683.2,
            706.82
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.715947,
          "box_xyxy": [
            983.75,
            299.83,
            1037.98,
            418.84
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.986246,
          "box_xyxy": [
            601.04,
            39.8,
            1195.74,
            705.93
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.011609,
        "mean_confidence_delta_matched": -0.011609,
        "mean_matched_iou": 0.646047,
        "mean_centroid_drift_fraction_diagonal": 0.101847,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.981866,
            "confidence_delta": -0.011948,
            "disruption_including_miss": 0.011948,
            "match_iou": 0.524302,
            "centroid_drift_fraction_diagonal": 0.171551
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.986246,
            "confidence_delta": -0.011269,
            "disruption_including_miss": 0.011269,
            "match_iou": 0.767792,
            "centroid_drift_fraction_diagonal": 0.032143
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "c275c65e5f19ec11bf3beb28450a7449163c8967b1b6f5e30211d52f9f682161",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.962169,
          "box_xyxy": [
            986.15,
            299.46,
            1048.24,
            419.14
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.995081,
          "box_xyxy": [
            120.7,
            197.53,
            687.02,
            706.65
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.844413,
          "box_xyxy": [
            423.0,
            173.25,
            1176.17,
            705.31
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.978384,
          "box_xyxy": [
            581.21,
            41.08,
            1184.56,
            704.65
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084266,
        "mean_confidence_delta_matched": -0.084266,
        "mean_matched_iou": 0.718956,
        "mean_centroid_drift_fraction_diagonal": 0.073669,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.844413,
            "confidence_delta": -0.149401,
            "disruption_including_miss": 0.149401,
            "match_iou": 0.68321,
            "centroid_drift_fraction_diagonal": 0.104637
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.978384,
            "confidence_delta": -0.019131,
            "disruption_including_miss": 0.019131,
            "match_iou": 0.754703,
            "centroid_drift_fraction_diagonal": 0.042701
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "bb046d2f0c315ed29fccc4d8efafe223d842d33a45d3ec0221391e2bcb1d526a",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.940837,
          "box_xyxy": [
            331.28,
            426.83,
            581.51,
            712.9
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.890717,
          "box_xyxy": [
            988.3,
            300.29,
            1065.54,
            420.62
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.542497,
          "box_xyxy": [
            116.08,
            200.97,
            688.32,
            708.25
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.970586,
          "box_xyxy": [
            114.96,
            200.97,
            1168.5,
            705.86
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.800813,
          "box_xyxy": [
            624.74,
            40.17,
            1175.21,
            706.58
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.109965,
        "mean_confidence_delta_matched": -0.109965,
        "mean_matched_iou": 0.908324,
        "mean_centroid_drift_fraction_diagonal": 0.017178,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.970586,
            "confidence_delta": -0.023228,
            "disruption_including_miss": 0.023228,
            "match_iou": 0.987538,
            "centroid_drift_fraction_diagonal": 0.003292
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.800813,
            "confidence_delta": -0.196702,
            "disruption_including_miss": 0.196702,
            "match_iou": 0.829111,
            "centroid_drift_fraction_diagonal": 0.031064
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "1385080ee7e5595d25e0bfa63bb3bf4f9e8c1d8b565256aa31fbd262c8a3b232",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.984921,
          "box_xyxy": [
            401.47,
            429.59,
            525.91,
            683.22
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.503665,
          "box_xyxy": [
            435.51,
            425.31,
            526.4,
            644.45
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.97061,
          "box_xyxy": [
            991.7,
            301.57,
            1051.67,
            418.89
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.991934,
          "box_xyxy": [
            129.7,
            199.81,
            697.11,
            705.87
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998676,
          "box_xyxy": [
            621.91,
            39.73,
            1182.2,
            705.06
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.00036,
        "mean_confidence_delta_matched": -0.00036,
        "mean_matched_iou": 0.677941,
        "mean_centroid_drift_fraction_diagonal": 0.094182,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.991934,
            "confidence_delta": -0.00188,
            "disruption_including_miss": 0.00188,
            "match_iou": 0.541908,
            "centroid_drift_fraction_diagonal": 0.158712
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998676,
            "confidence_delta": 0.001161,
            "disruption_including_miss": -0.001161,
            "match_iou": 0.813974,
            "centroid_drift_fraction_diagonal": 0.029651
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "8d476d0d8eb8f7b73af4ea0f91e789a353186fd7a8af24b68715585626c89f61",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.692676,
          "box_xyxy": [
            853.55,
            35.04,
            1129.14,
            444.17
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.977683,
          "box_xyxy": [
            119.71,
            200.78,
            1167.72,
            705.57
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.849516,
          "box_xyxy": [
            957.92,
            300.39,
            1022.37,
            426.38
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.703382,
          "box_xyxy": [
            656.06,
            36.36,
            1172.27,
            484.01
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.155132,
        "mean_confidence_delta_matched": -0.155132,
        "mean_matched_iou": 0.798683,
        "mean_centroid_drift_fraction_diagonal": 0.040855,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.977683,
            "confidence_delta": -0.016131,
            "disruption_including_miss": 0.016131,
            "match_iou": 0.991055,
            "centroid_drift_fraction_diagonal": 0.001934
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.703382,
            "confidence_delta": -0.294133,
            "disruption_including_miss": 0.294133,
            "match_iou": 0.606311,
            "centroid_drift_fraction_diagonal": 0.079776
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "f25b4961cef7308c0f87e4839b5587cc74f01b53e629038d5415ba9a1f37455b",
      "target_counts": {
        "person": 4
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.912709,
          "box_xyxy": [
            975.38,
            303.62,
            1032.22,
            423.87
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.500597,
          "box_xyxy": [
            1017.52,
            264.09,
            1161.25,
            710.42
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.796904,
          "box_xyxy": [
            439.25,
            429.6,
            515.46,
            643.65
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.927038,
          "box_xyxy": [
            989.73,
            300.28,
            1071.38,
            421.54
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.995931,
          "box_xyxy": [
            133.96,
            199.97,
            685.85,
            706.01
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.943765,
          "box_xyxy": [
            392.06,
            432.89,
            514.59,
            648.12
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.54705,
          "box_xyxy": [
            585.8,
            176.87,
            1175.48,
            708.67
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.996272,
          "box_xyxy": [
            610.03,
            41.33,
            1180.62,
            705.89
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.224003,
        "mean_confidence_delta_matched": -0.224003,
        "mean_matched_iou": 0.669316,
        "mean_centroid_drift_fraction_diagonal": 0.096905,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.54705,
            "confidence_delta": -0.446764,
            "disruption_including_miss": 0.446764,
            "match_iou": 0.539791,
            "centroid_drift_fraction_diagonal": 0.159577
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.996272,
            "confidence_delta": -0.001243,
            "disruption_including_miss": 0.001243,
            "match_iou": 0.798841,
            "centroid_drift_fraction_diagonal": 0.034232
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "a882f05b82def9e9f1494cd5bb25c2577c939c46e88d35238fadf98ed646c5e2",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.949664,
          "box_xyxy": [
            990.9,
            298.42,
            1047.03,
            417.51
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.891584,
          "box_xyxy": [
            116.31,
            199.27,
            683.01,
            707.29
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.8889,
          "box_xyxy": [
            119.19,
            201.6,
            1165.09,
            704.35
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.911342,
          "box_xyxy": [
            587.17,
            39.31,
            1175.89,
            705.99
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.095544,
        "mean_confidence_delta_matched": -0.095544,
        "mean_matched_iou": 0.879583,
        "mean_centroid_drift_fraction_diagonal": 0.0233,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.8889,
            "confidence_delta": -0.104914,
            "disruption_including_miss": 0.104914,
            "match_iou": 0.984094,
            "centroid_drift_fraction_diagonal": 0.002975
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.911342,
            "confidence_delta": -0.086173,
            "disruption_including_miss": 0.086173,
            "match_iou": 0.775072,
            "centroid_drift_fraction_diagonal": 0.043624
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "6198c83012de24f77613adb2eaa19435b644f7dfaf557367d5e603b3e9cd6369",
      "target_counts": {
        "person": 4
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.950184,
          "box_xyxy": [
            434.98,
            434.16,
            571.84,
            694.1
          ],
          "target_scope": false
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.978581,
          "box_xyxy": [
            989.94,
            302.33,
            1048.72,
            420.88
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.994913,
          "box_xyxy": [
            122.22,
            200.4,
            685.01,
            706.87
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.532959,
          "box_xyxy": [
            433.2,
            180.62,
            1179.23,
            706.73
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.650463,
          "box_xyxy": [
            545.2,
            179.79,
            1181.56,
            706.22
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.975523,
          "box_xyxy": [
            607.3,
            39.05,
            1185.23,
            705.19
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.241424,
        "mean_confidence_delta_matched": -0.241424,
        "mean_matched_iou": 0.733726,
        "mean_centroid_drift_fraction_diagonal": 0.071262,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.532959,
            "confidence_delta": -0.460855,
            "disruption_including_miss": 0.460855,
            "match_iou": 0.67897,
            "centroid_drift_fraction_diagonal": 0.108928
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.975523,
            "confidence_delta": -0.021992,
            "disruption_including_miss": 0.021992,
            "match_iou": 0.788481,
            "centroid_drift_fraction_diagonal": 0.033596
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "candidate",
      "image_sha256": "274462cd18207e3b541c7972415a3a292961ebff407e169c0509ffef57753f71",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.567307,
          "box_xyxy": [
            988.29,
            301.99,
            1050.87,
            422.97
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.804342,
          "box_xyxy": [
            128.89,
            196.67,
            1153.54,
            705.14
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.503048,
          "box_xyxy": [
            697.59,
            353.91,
            765.25,
            440.21
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.905824,
          "box_xyxy": [
            125.53,
            197.0,
            685.28,
            707.25
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.978342,
          "box_xyxy": [
            355.48,
            428.63,
            492.55,
            716.42
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.98779,
          "box_xyxy": [
            646.17,
            40.33,
            1190.11,
            705.61
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.099599,
        "mean_confidence_delta_matched": -0.099599,
        "mean_matched_iou": 0.906051,
        "mean_centroid_drift_fraction_diagonal": 0.011231,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.804342,
            "confidence_delta": -0.189472,
            "disruption_including_miss": 0.189472,
            "match_iou": 0.97345,
            "centroid_drift_fraction_diagonal": 0.003767
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.98779,
            "confidence_delta": -0.009725,
            "disruption_including_miss": 0.009725,
            "match_iou": 0.838652,
            "centroid_drift_fraction_diagonal": 0.018695
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 148,
      "variant_kind": "matched-control",
      "image_sha256": "1a17d1765ac86b936d43d368ee3965fdf047510957abd285d35e10d2bd19e2ff",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.959747,
          "box_xyxy": [
            982.32,
            299.64,
            1044.48,
            421.87
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.997469,
          "box_xyxy": [
            126.59,
            200.09,
            683.92,
            706.73
          ],
          "target_scope": true
        },
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.962545,
          "box_xyxy": [
            426.39,
            433.94,
            522.25,
            696.84
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.995013,
          "box_xyxy": [
            563.17,
            40.41,
            1180.73,
            705.15
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -0.000576,
        "mean_confidence_delta_matched": 0.000576,
        "mean_matched_iou": 0.634954,
        "mean_centroid_drift_fraction_diagonal": 0.107204,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.997469,
            "confidence_delta": 0.003655,
            "disruption_including_miss": -0.003655,
            "match_iou": 0.531554,
            "centroid_drift_fraction_diagonal": 0.164262
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.995013,
            "confidence_delta": -0.002502,
            "disruption_including_miss": 0.002502,
            "match_iou": 0.738354,
            "centroid_drift_fraction_diagonal": 0.050147
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "candidate",
      "image_sha256": "65713e3ed0198d3e9578f82ede42280868799a7349922b77faa12130a415b69f",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.90051,
          "box_xyxy": [
            985.63,
            299.42,
            1055.45,
            421.74
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.833437,
          "box_xyxy": [
            115.86,
            197.71,
            693.72,
            707.03
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.844299,
          "box_xyxy": [
            120.04,
            199.1,
            1163.85,
            703.93
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.984999,
          "box_xyxy": [
            623.52,
            40.12,
            1189.73,
            705.38
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.081016,
        "mean_confidence_delta_matched": -0.081016,
        "mean_matched_iou": 0.896458,
        "mean_centroid_drift_fraction_diagonal": 0.014856,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.844299,
            "confidence_delta": -0.149515,
            "disruption_including_miss": 0.149515,
            "match_iou": 0.987225,
            "centroid_drift_fraction_diagonal": 0.003177
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.984999,
            "confidence_delta": -0.012516,
            "disruption_including_miss": 0.012516,
            "match_iou": 0.805691,
            "centroid_drift_fraction_diagonal": 0.026536
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 270,
      "variant_kind": "matched-control",
      "image_sha256": "2c95594cff4fea08c3bc6193c4dfe4e4063842195472a69525f9b9285ed6a7a9",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.989257,
          "box_xyxy": [
            985.02,
            299.51,
            1044.15,
            422.89
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998407,
          "box_xyxy": [
            127.67,
            197.18,
            681.04,
            706.84
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.691476,
          "box_xyxy": [
            455.33,
            176.37,
            1175.33,
            706.6
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.993156,
          "box_xyxy": [
            564.9,
            40.51,
            1186.7,
            705.06
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.153348,
        "mean_confidence_delta_matched": -0.153348,
        "mean_matched_iou": 0.695577,
        "mean_centroid_drift_fraction_diagonal": 0.081369,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.691476,
            "confidence_delta": -0.302338,
            "disruption_including_miss": 0.302338,
            "match_iou": 0.657981,
            "centroid_drift_fraction_diagonal": 0.115214
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.993156,
            "confidence_delta": -0.004359,
            "disruption_including_miss": 0.004359,
            "match_iou": 0.733174,
            "centroid_drift_fraction_diagonal": 0.047525
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "candidate",
      "image_sha256": "fecd8cec9069cd78d6cb2b0f7591e1c470ac7de9c8202ae2371c635feb178709",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.912879,
          "box_xyxy": [
            987.27,
            299.04,
            1073.07,
            420.78
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.967403,
          "box_xyxy": [
            117.12,
            197.03,
            684.71,
            706.47
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.996694,
          "box_xyxy": [
            611.23,
            39.38,
            1195.1,
            704.82
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.013616,
        "mean_confidence_delta_matched": -0.013616,
        "mean_matched_iou": 0.656097,
        "mean_centroid_drift_fraction_diagonal": 0.098058,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.967403,
            "confidence_delta": -0.026411,
            "disruption_including_miss": 0.026411,
            "match_iou": 0.531678,
            "centroid_drift_fraction_diagonal": 0.167217
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.996694,
            "confidence_delta": -0.000821,
            "disruption_including_miss": 0.000821,
            "match_iou": 0.780516,
            "centroid_drift_fraction_diagonal": 0.028899
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 486,
      "variant_kind": "matched-control",
      "image_sha256": "78c95b0bcfd011dc1d58c15c7ceb2458e073a1f88b216c6b1486aa0bcd86c83d",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 32,
          "class": "tie",
          "confidence": 0.988518,
          "box_xyxy": [
            987.45,
            302.61,
            1044.54,
            421.24
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.998521,
          "box_xyxy": [
            132.4,
            198.71,
            682.67,
            707.27
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.799556,
          "box_xyxy": [
            422.8,
            43.48,
            1181.43,
            704.19
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.98536,
          "box_xyxy": [
            563.43,
            40.36,
            1191.41,
            705.54
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.103206,
        "mean_confidence_delta_matched": -0.103206,
        "mean_matched_iou": 0.65141,
        "mean_centroid_drift_fraction_diagonal": 0.08259,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.799556,
            "confidence_delta": -0.194258,
            "disruption_including_miss": 0.194258,
            "match_iou": 0.576346,
            "centroid_drift_fraction_diagonal": 0.118758
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.98536,
            "confidence_delta": -0.012155,
            "disruption_including_miss": 0.012155,
            "match_iou": 0.726474,
            "centroid_drift_fraction_diagonal": 0.046422
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "f35694569d6e5f5d13bac287ad1472272c74dcc97487e72453aa16fdb9ec4a5f",
      "target_counts": {
        "car": 3
      },
      "detections": [
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.819824,
          "box_xyxy": [
            287.61,
            57.7,
            581.02,
            136.23
          ],
          "target_scope": false
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.544693,
          "box_xyxy": [
            8.69,
            61.35,
            696.33,
            443.91
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.995815,
          "box_xyxy": [
            8.8,
            120.48,
            699.62,
            437.83
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.550168,
          "box_xyxy": [
            7.82,
            123.59,
            698.68,
            436.46
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.073679,
        "mean_confidence_delta_matched": -0.073679,
        "mean_matched_iou": 0.961442,
        "mean_centroid_drift_fraction_diagonal": 0.003356,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.550168,
            "confidence_delta": -0.146547,
            "disruption_including_miss": 0.146547,
            "match_iou": 0.954904,
            "centroid_drift_fraction_diagonal": 0.00336
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.995815,
            "confidence_delta": -0.00081,
            "disruption_including_miss": 0.00081,
            "match_iou": 0.96798,
            "centroid_drift_fraction_diagonal": 0.003352
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "a37e498e7178a45bc11d6c0b367439c039afbab4a9800fdbaeda835e2545eb1a",
      "target_counts": {
        "car": 2
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.971968,
          "box_xyxy": [
            10.83,
            122.19,
            696.02,
            441.13
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.626389,
          "box_xyxy": [
            9.25,
            125.18,
            695.16,
            439.39
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.047491,
        "mean_confidence_delta_matched": -0.047491,
        "mean_matched_iou": 0.973181,
        "mean_centroid_drift_fraction_diagonal": 0.001388,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.971968,
            "confidence_delta": 0.275253,
            "disruption_including_miss": -0.275253,
            "match_iou": 0.981148,
            "centroid_drift_fraction_diagonal": 0.001862
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.626389,
            "confidence_delta": -0.370236,
            "disruption_including_miss": 0.370236,
            "match_iou": 0.965213,
            "centroid_drift_fraction_diagonal": 0.000915
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "c980d7ded681a408ba62644d63aac024eaa7fa984662861435b62d56daa87f6d",
      "target_counts": {
        "car": 2
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.992508,
          "box_xyxy": [
            9.71,
            121.45,
            696.64,
            441.89
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.538747,
          "box_xyxy": [
            8.57,
            124.57,
            694.87,
            439.38
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.081043,
        "mean_confidence_delta_matched": -0.081043,
        "mean_matched_iou": 0.974892,
        "mean_centroid_drift_fraction_diagonal": 0.001291,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.992508,
            "confidence_delta": 0.295793,
            "disruption_including_miss": -0.295793,
            "match_iou": 0.983277,
            "centroid_drift_fraction_diagonal": 0.001668
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.538747,
            "confidence_delta": -0.457878,
            "disruption_including_miss": 0.457878,
            "match_iou": 0.966507,
            "centroid_drift_fraction_diagonal": 0.000914
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "fee9042648882fe04a5c6a612bd8725ae60a9df75f94025e6609f18922a6f765",
      "target_counts": {
        "car": 2,
        "person": 2
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.517702,
          "box_xyxy": [
            509.19,
            281.05,
            558.05,
            372.62
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.758662,
          "box_xyxy": [
            489.39,
            188.91,
            544.34,
            268.88
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.584713,
          "box_xyxy": [
            10.61,
            121.74,
            698.16,
            440.94
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.885384,
          "box_xyxy": [
            10.67,
            122.04,
            695.56,
            439.69
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.111622,
        "mean_confidence_delta_matched": -0.111622,
        "mean_matched_iou": 0.977877,
        "mean_centroid_drift_fraction_diagonal": 0.00201,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.584713,
            "confidence_delta": -0.112002,
            "disruption_including_miss": 0.112002,
            "match_iou": 0.978624,
            "centroid_drift_fraction_diagonal": 0.002923
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.885384,
            "confidence_delta": -0.111241,
            "disruption_including_miss": 0.111241,
            "match_iou": 0.97713,
            "centroid_drift_fraction_diagonal": 0.001096
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "47868568000740df8e36ed023cb682b24f0b4a40b36b107bc89260e22800be5b",
      "target_counts": {
        "car": 1
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.984929,
          "box_xyxy": [
            10.44,
            117.45,
            691.38,
            442.34
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.354206,
        "mean_confidence_delta_matched": -0.011696,
        "mean_matched_iou": 0.985984,
        "mean_centroid_drift_fraction_diagonal": 0.002438,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.984929,
            "confidence_delta": -0.011696,
            "disruption_including_miss": 0.011696,
            "match_iou": 0.985984,
            "centroid_drift_fraction_diagonal": 0.002438
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "a6fa81ff6703935ecd4afe6b5cb64f50aeb82e2bdde42e701f06d7445f38652f",
      "target_counts": {
        "car": 1,
        "motorcycle": 1
      },
      "detections": [
        {
          "class_id": 4,
          "class": "motorcycle",
          "confidence": 0.506606,
          "box_xyxy": [
            16.37,
            258.09,
            430.95,
            447.84
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.920123,
          "box_xyxy": [
            9.69,
            119.98,
            697.62,
            438.83
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.386608,
        "mean_confidence_delta_matched": -0.076502,
        "mean_matched_iou": 0.976522,
        "mean_centroid_drift_fraction_diagonal": 0.002761,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.920123,
            "confidence_delta": -0.076502,
            "disruption_including_miss": 0.076502,
            "match_iou": 0.976522,
            "centroid_drift_fraction_diagonal": 0.002761
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "99bf49324b01cd79af7362cb14228ebea17d6b716851b255f43517f0af2412a7",
      "target_counts": {
        "car": 3
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.994197,
          "box_xyxy": [
            11.22,
            120.78,
            694.17,
            442.84
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.670038,
          "box_xyxy": [
            9.3,
            126.06,
            692.64,
            443.24
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.506655,
          "box_xyxy": [
            8.84,
            121.54,
            693.07,
            446.48
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.096244,
        "mean_confidence_delta_matched": -0.096244,
        "mean_matched_iou": 0.991214,
        "mean_centroid_drift_fraction_diagonal": 0.001249,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.506655,
            "confidence_delta": -0.19006,
            "disruption_including_miss": 0.19006,
            "match_iou": 0.989012,
            "centroid_drift_fraction_diagonal": 0.001984
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.994197,
            "confidence_delta": -0.002428,
            "disruption_including_miss": 0.002428,
            "match_iou": 0.993417,
            "centroid_drift_fraction_diagonal": 0.000514
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "a3b987ca744dd3cbf22952a0c344f7fff86b5cc4a37b6e7da50b18fc6e03b65e",
      "target_counts": {
        "car": 3
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.557762,
          "box_xyxy": [
            10.25,
            119.73,
            694.77,
            443.58
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.984192,
          "box_xyxy": [
            10.99,
            121.4,
            693.98,
            439.82
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.554139,
          "box_xyxy": [
            10.58,
            123.51,
            692.61,
            431.48
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.075693,
        "mean_confidence_delta_matched": -0.075693,
        "mean_matched_iou": 0.987188,
        "mean_centroid_drift_fraction_diagonal": 0.001385,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.984192,
            "confidence_delta": 0.287477,
            "disruption_including_miss": -0.287477,
            "match_iou": 0.982227,
            "centroid_drift_fraction_diagonal": 0.002526
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.557762,
            "confidence_delta": -0.438863,
            "disruption_including_miss": 0.438863,
            "match_iou": 0.992149,
            "centroid_drift_fraction_diagonal": 0.000244
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "d5bdeb4d63c7793b0076bfe08a5354c21b2a8a53ca00bd0e0b40cd37b1691b89",
      "target_counts": {
        "car": 1
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.533613,
          "box_xyxy": [
            10.74,
            119.94,
            697.41,
            441.39
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.579863,
        "mean_confidence_delta_matched": -0.463012,
        "mean_matched_iou": 0.986198,
        "mean_centroid_drift_fraction_diagonal": 0.002135,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.533613,
            "confidence_delta": -0.463012,
            "disruption_including_miss": 0.463012,
            "match_iou": 0.986198,
            "centroid_drift_fraction_diagonal": 0.002135
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "0a9508ab8f39d07ac39c71668904366b791299a75dc6d2d8f39ea1818e378a4c",
      "target_counts": {
        "car": 1
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.886955,
          "box_xyxy": [
            11.38,
            121.96,
            693.96,
            434.71
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.403193,
        "mean_confidence_delta_matched": -0.10967,
        "mean_matched_iou": 0.965299,
        "mean_centroid_drift_fraction_diagonal": 0.003573,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.886955,
            "confidence_delta": -0.10967,
            "disruption_including_miss": 0.10967,
            "match_iou": 0.965299,
            "centroid_drift_fraction_diagonal": 0.003573
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "ac66c95e033ba78ef9399545f38ef59132238709e885406cbcbb002e1dbf735d",
      "target_counts": {
        "car": 3
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.961503,
          "box_xyxy": [
            8.88,
            124.58,
            697.47,
            438.5
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.529061,
          "box_xyxy": [
            8.93,
            128.44,
            697.76,
            437.12
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.770338,
          "box_xyxy": [
            8.57,
            127.93,
            697.0,
            432.65
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.101388,
        "mean_confidence_delta_matched": -0.101388,
        "mean_matched_iou": 0.952821,
        "mean_centroid_drift_fraction_diagonal": 0.001805,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.961503,
            "confidence_delta": 0.264788,
            "disruption_including_miss": -0.264788,
            "match_iou": 0.961134,
            "centroid_drift_fraction_diagonal": 0.001786
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.529061,
            "confidence_delta": -0.467564,
            "disruption_including_miss": 0.467564,
            "match_iou": 0.944507,
            "centroid_drift_fraction_diagonal": 0.001823
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "513f5a92b1316c701744d88fabde26386d1b125e9b4f2df6bdb18f7948e9c7d4",
      "target_counts": {
        "car": 1
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.986429,
          "box_xyxy": [
            12.02,
            122.67,
            693.85,
            439.55
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.353455,
        "mean_confidence_delta_matched": -0.010196,
        "mean_matched_iou": 0.979066,
        "mean_centroid_drift_fraction_diagonal": 0.000768,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.986429,
            "confidence_delta": -0.010196,
            "disruption_including_miss": 0.010196,
            "match_iou": 0.979066,
            "centroid_drift_fraction_diagonal": 0.000768
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "candidate",
      "image_sha256": "179ae5314993b6ffcf4aaebb286896147229664f3c1d1db74330619bc320f288",
      "target_counts": {
        "bicycle": 2,
        "car": 2
      },
      "detections": [
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.938761,
          "box_xyxy": [
            290.71,
            57.71,
            591.6,
            142.34
          ],
          "target_scope": false
        },
        {
          "class_id": 2,
          "class": "bicycle",
          "confidence": 0.698362,
          "box_xyxy": [
            12.03,
            257.01,
            437.09,
            448.31
          ],
          "target_scope": true
        },
        {
          "class_id": 2,
          "class": "bicycle",
          "confidence": 0.667518,
          "box_xyxy": [
            36.48,
            282.03,
            429.13,
            449.01
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.545333,
          "box_xyxy": [
            8.93,
            63.67,
            696.38,
            443.84
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.97833,
          "box_xyxy": [
            8.76,
            123.41,
            700.29,
            438.36
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084839,
        "mean_confidence_delta_matched": -0.084839,
        "mean_matched_iou": 0.90092,
        "mean_centroid_drift_fraction_diagonal": 0.017317,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.97833,
            "confidence_delta": 0.281615,
            "disruption_including_miss": -0.281615,
            "match_iou": 0.960275,
            "centroid_drift_fraction_diagonal": 0.003365
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.545333,
            "confidence_delta": -0.451292,
            "disruption_including_miss": 0.451292,
            "match_iou": 0.841565,
            "centroid_drift_fraction_diagonal": 0.03127
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 110,
      "variant_kind": "matched-control",
      "image_sha256": "48c20ea38685839c1df8c560c434c6e3ae762501e2dbfe18af3ee5701a5b44a8",
      "target_counts": {
        "car": 1
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.994805,
          "box_xyxy": [
            9.67,
            122.85,
            696.67,
            433.76
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.349267,
        "mean_confidence_delta_matched": 0.29809,
        "mean_matched_iou": 0.954107,
        "mean_centroid_drift_fraction_diagonal": 0.005212,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.994805,
            "confidence_delta": 0.29809,
            "disruption_including_miss": -0.29809,
            "match_iou": 0.954107,
            "centroid_drift_fraction_diagonal": 0.005212
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.996625,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "candidate",
      "image_sha256": "084a8afc4a42af1dfc0fffb9be884cbd59727dc7baab28cd01e74c81c687e809",
      "target_counts": {
        "motorcycle": 1
      },
      "detections": [
        {
          "class_id": 4,
          "class": "motorcycle",
          "confidence": 0.58851,
          "box_xyxy": [
            10.63,
            119.79,
            699.77,
            442.65
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.84667,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.996625,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "motorcycle",
              "confidence": 0.58851,
              "iou": 0.986089
            }
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 200,
      "variant_kind": "matched-control",
      "image_sha256": "56b2c715a6e8411c557f08133664c48e25caa946ae4abba67c5588261b4b1e73",
      "target_counts": {
        "car": 1,
        "motorcycle": 1
      },
      "detections": [
        {
          "class_id": 4,
          "class": "motorcycle",
          "confidence": 0.924363,
          "box_xyxy": [
            11.32,
            252.56,
            426.07,
            448.14
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.855268,
          "box_xyxy": [
            14.25,
            121.36,
            687.38,
            390.75
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.419036,
        "mean_confidence_delta_matched": -0.141357,
        "mean_matched_iou": 0.824468,
        "mean_centroid_drift_fraction_diagonal": 0.028729,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.855268,
            "confidence_delta": -0.141357,
            "disruption_including_miss": 0.141357,
            "match_iou": 0.824468,
            "centroid_drift_fraction_diagonal": 0.028729
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "candidate",
      "image_sha256": "a92368183797a6efc4c11b4a482408d16782b07e5c0fab798ecf6036c3c27f50",
      "target_counts": {
        "car": 2
      },
      "detections": [
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.508027,
          "box_xyxy": [
            8.13,
            59.06,
            697.48,
            446.64
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.941257,
          "box_xyxy": [
            8.61,
            119.37,
            696.51,
            439.6
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.122028,
        "mean_confidence_delta_matched": -0.122028,
        "mean_matched_iou": 0.902695,
        "mean_centroid_drift_fraction_diagonal": 0.018044,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.508027,
            "confidence_delta": -0.188688,
            "disruption_including_miss": 0.188688,
            "match_iou": 0.828035,
            "centroid_drift_fraction_diagonal": 0.033816
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.941257,
            "confidence_delta": -0.055368,
            "disruption_including_miss": 0.055368,
            "match_iou": 0.977355,
            "centroid_drift_fraction_diagonal": 0.002271
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 360,
      "variant_kind": "matched-control",
      "image_sha256": "e865ae556d8370eb27d02af1f98cd6e3b5dd2f6a647d0ac582d9697fd9760a50",
      "target_counts": {
        "car": 2,
        "motorcycle": 2
      },
      "detections": [
        {
          "class_id": 4,
          "class": "motorcycle",
          "confidence": 0.940072,
          "box_xyxy": [
            9.77,
            234.94,
            431.71,
            448.46
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.676417,
          "box_xyxy": [
            10.78,
            124.02,
            681.96,
            394.71
          ],
          "target_scope": true
        },
        {
          "class_id": 4,
          "class": "motorcycle",
          "confidence": 0.660096,
          "box_xyxy": [
            10.15,
            125.22,
            694.19,
            440.03
          ],
          "target_scope": true
        },
        {
          "class_id": 3,
          "class": "car",
          "confidence": 0.561124,
          "box_xyxy": [
            12.41,
            124.35,
            680.83,
            392.55
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.2279,
        "mean_confidence_delta_matched": -0.2279,
        "mean_matched_iou": 0.818086,
        "mean_centroid_drift_fraction_diagonal": 0.02703,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.676417,
            "confidence_delta": -0.020298,
            "disruption_including_miss": 0.020298,
            "match_iou": 0.82109,
            "centroid_drift_fraction_diagonal": 0.027289
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.561124,
            "confidence_delta": -0.435501,
            "disruption_including_miss": 0.435501,
            "match_iou": 0.815082,
            "centroid_drift_fraction_diagonal": 0.026772
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "0c1ed5d20e9161fd3d3e0a6465c2197503e439efc483faeae4356ff4db75e106",
      "target_counts": {
        "person": 15
      },
      "detections": [
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.537045,
          "box_xyxy": [
            314.43,
            185.53,
            479.62,
            362.76
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.934514,
          "box_xyxy": [
            555.96,
            357.83,
            709.0,
            880.94
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.525557,
          "box_xyxy": [
            508.08,
            544.72,
            594.57,
            717.93
          ],
          "target_scope": true
        },
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.835812,
          "box_xyxy": [
            6.5,
            0.0,
            293.81,
            445.42
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.87806,
          "box_xyxy": [
            625.42,
            187.38,
            709.0,
            303.59
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.63679,
          "box_xyxy": [
            309.28,
            48.77,
            409.95,
            187.19
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.566485,
          "box_xyxy": [
            565.86,
            194.21,
            709.0,
            879.4
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.694369,
          "box_xyxy": [
            561.1,
            282.5,
            657.34,
            411.22
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.730085,
          "box_xyxy": [
            536.76,
            163.53,
            661.44,
            307.48
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.539219,
          "box_xyxy": [
            527.86,
            20.5,
            661.12,
            209.07
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.633563,
          "box_xyxy": [
            492.24,
            285.8,
            571.63,
            410.6
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.8679,
          "box_xyxy": [
            35.58,
            1.55,
            703.84,
            879.09
          ],
          "target_scope": true
        },
        {
          "class_id": 28,
          "class": "umbrella",
          "confidence": 0.638256,
          "box_xyxy": [
            14.96,
            0.0,
            410.48,
            446.32
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.525418,
          "box_xyxy": [
            33.97,
            0.0,
            415.99,
            877.31
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.59203,
          "box_xyxy": [
            528.42,
            19.35,
            651.16,
            157.6
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.865196,
          "box_xyxy": [
            618.02,
            188.79,
            709.0,
            382.77
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.568777,
          "box_xyxy": [
            490.47,
            360.18,
            709.0,
            881.67
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.57142,
          "box_xyxy": [
            617.13,
            251.13,
            709.0,
            389.56
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 15,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.242838,
        "mean_confidence_delta_matched": -0.045284,
        "mean_matched_iou": 0.686253,
        "mean_centroid_drift_fraction_diagonal": 0.065885,
        "new_unmatched_target_count": 9,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.568777,
            "confidence_delta": -0.321231,
            "disruption_including_miss": 0.321231,
            "match_iou": 0.678604,
            "centroid_drift_fraction_diagonal": 0.038103
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.934514,
            "confidence_delta": 0.189333,
            "disruption_including_miss": -0.189333,
            "match_iou": 0.782407,
            "centroid_drift_fraction_diagonal": 0.017009
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.63679,
            "confidence_delta": 0.107272,
            "disruption_including_miss": -0.107272,
            "match_iou": 0.74974,
            "centroid_drift_fraction_diagonal": 0.00505
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.566485,
            "confidence_delta": -0.264779,
            "disruption_including_miss": 0.264779,
            "match_iou": 0.871971,
            "centroid_drift_fraction_diagonal": 0.010571
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.525418,
            "confidence_delta": -0.343597,
            "disruption_including_miss": 0.343597,
            "match_iou": 0.514652,
            "centroid_drift_fraction_diagonal": 0.164065
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.8679,
            "confidence_delta": 0.361298,
            "disruption_including_miss": -0.361298,
            "match_iou": 0.520147,
            "centroid_drift_fraction_diagonal": 0.160513
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "51a4ec925db56cddff239f5442201e92f6a57795b928c430ee7d10f1866cc171",
      "target_counts": {
        "person": 15
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.718527,
          "box_xyxy": [
            388.34,
            0.0,
            488.86,
            113.57
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.724438,
          "box_xyxy": [
            263.74,
            3.32,
            410.93,
            236.6
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.9384,
          "box_xyxy": [
            558.63,
            346.95,
            709.0,
            881.56
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.689964,
          "box_xyxy": [
            629.59,
            190.74,
            709.0,
            302.52
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.731963,
          "box_xyxy": [
            302.71,
            33.37,
            408.15,
            202.05
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.792721,
          "box_xyxy": [
            569.54,
            284.75,
            659.57,
            409.64
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.84286,
          "box_xyxy": [
            562.64,
            282.6,
            709.0,
            882.4
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.592479,
          "box_xyxy": [
            542.73,
            166.86,
            659.46,
            317.05
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.794283,
          "box_xyxy": [
            492.48,
            253.66,
            589.03,
            430.29
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.786101,
          "box_xyxy": [
            265.07,
            0.0,
            409.17,
            160.32
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.645761,
          "box_xyxy": [
            37.79,
            354.29,
            391.61,
            877.31
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.57798,
          "box_xyxy": [
            470.75,
            3.79,
            618.86,
            151.56
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.775771,
          "box_xyxy": [
            31.52,
            384.7,
            210.47,
            886.53
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.68863,
          "box_xyxy": [
            615.32,
            255.14,
            709.0,
            383.63
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.630574,
          "box_xyxy": [
            37.48,
            359.81,
            405.15,
            877.97
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.835953,
          "box_xyxy": [
            314.17,
            467.52,
            474.67,
            639.51
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.657532,
          "box_xyxy": [
            388.96,
            324.41,
            494.3,
            511.48
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 15,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.191122,
        "mean_confidence_delta_matched": 0.020638,
        "mean_matched_iou": 0.840887,
        "mean_centroid_drift_fraction_diagonal": 0.024877,
        "new_unmatched_target_count": 9,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.84286,
            "confidence_delta": -0.047148,
            "disruption_including_miss": 0.047148,
            "match_iou": 0.875383,
            "centroid_drift_fraction_diagonal": 0.00904
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.9384,
            "confidence_delta": 0.193219,
            "disruption_including_miss": -0.193219,
            "match_iou": 0.810358,
            "centroid_drift_fraction_diagonal": 0.013123
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.731963,
            "confidence_delta": 0.202445,
            "disruption_including_miss": -0.202445,
            "match_iou": 0.915718,
            "centroid_drift_fraction_diagonal": 0.004823
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.645761,
            "confidence_delta": -0.223254,
            "disruption_including_miss": 0.223254,
            "match_iou": 0.928864,
            "centroid_drift_fraction_diagonal": 0.009666
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.775771,
            "confidence_delta": -0.125404,
            "disruption_including_miss": 0.125404,
            "match_iou": 0.902827,
            "centroid_drift_fraction_diagonal": 0.011718
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.630574,
            "confidence_delta": 0.123972,
            "disruption_including_miss": -0.123972,
            "match_iou": 0.612173,
            "centroid_drift_fraction_diagonal": 0.100893
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "9ecf2b79933952a8ffe259390e0cdc6581329d99af67f52fe1f00b4f89014df2",
      "target_counts": {
        "person": 8
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.775202,
          "box_xyxy": [
            195.48,
            0.0,
            411.56,
            273.56
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.716581,
          "box_xyxy": [
            470.14,
            131.9,
            709.0,
            876.73
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.626406,
          "box_xyxy": [
            578.49,
            356.78,
            709.0,
            879.01
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.597535,
          "box_xyxy": [
            561.19,
            110.77,
            709.0,
            876.57
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.552225,
          "box_xyxy": [
            239.95,
            39.96,
            410.51,
            268.61
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.638747,
          "box_xyxy": [
            262.71,
            0.0,
            410.51,
            144.82
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.532068,
          "box_xyxy": [
            37.92,
            322.29,
            491.49,
            870.79
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.582441,
          "box_xyxy": [
            544.07,
            260.95,
            709.0,
            883.17
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 4,
        "association_continuity_rate": 0.444444,
        "mean_disruption_including_misses": 0.438553,
        "mean_confidence_delta_matched": -0.158651,
        "mean_matched_iou": 0.856488,
        "mean_centroid_drift_fraction_diagonal": 0.030043,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.582441,
            "confidence_delta": -0.307567,
            "disruption_including_miss": 0.307567,
            "match_iou": 0.952201,
            "centroid_drift_fraction_diagonal": 0.013091
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.626406,
            "confidence_delta": -0.118775,
            "disruption_including_miss": 0.118775,
            "match_iou": 0.907708,
            "centroid_drift_fraction_diagonal": 0.011165
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.597535,
            "confidence_delta": -0.233729,
            "disruption_including_miss": 0.233729,
            "match_iou": 0.857884,
            "centroid_drift_fraction_diagonal": 0.030016
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.532068,
            "confidence_delta": 0.025466,
            "disruption_including_miss": -0.025466,
            "match_iou": 0.708161,
            "centroid_drift_fraction_diagonal": 0.065899
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "candidate": "lattice-bloom-rc-07",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "b7f57eae93077aee6d2ff2bc255d14a8fe777db8215cd8fbf084d24f06178737",
      "target_counts": {
        "person": 9
      },
      "detections": [
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.500747,
          "box_xyxy": [
            314.02,
            190.78,
            471.81,
            365.93
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.742445,
          "box_xyxy": [
            387.59,
            0.0,
            494.47,
            112.77
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.802228,
          "box_xyxy": [
            265.28,
            3.32,
            411.96,
            228.8
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.624515,
          "box_xyxy": [
            480.93,
            352.37,
            709.0,
            879.52
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.627452,
          "box_xyxy": [
            391.05,
            324.92,
            494.12,
            500.5
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.955593,
          "box_xyxy": [
            561.73,
            346.57,
            709.0,
            880.49
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.867356,
          "box_xyxy": [
            265.58,
            0.0,
            410.45,
            159.89
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.6827,
          "box_xyxy": [
            32.54,
            0.22,
            659.22,
            876.67
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.674605,
          "box_xyxy": [
            37.86,
            373.05,
            377.19,
            878.38
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.760744,
          "box_xyxy": [
            33.01,
            380.81,
            206.85,
            886.13
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.543823,
          "box_xyxy": [
            561.77,
            252.0,
            709.0,
            881.83
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.61479,
          "box_xyxy": [
            314.52,
            466.36,
            469.31,
            638.98
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 7,
        "association_continuity_rate": 0.777778,
        "mean_disruption_including_misses": 0.137914,
        "mean_confidence_delta_matched": -0.032651,
        "mean_matched_iou": 0.760786,
        "mean_centroid_drift_fraction_diagonal": 0.038885,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.624515,
            "confidence_delta": -0.265493,
            "disruption_including_miss": 0.265493,
            "match_iou": 0.658267,
            "centroid_drift_fraction_diagonal": 0.037744
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.955593,
            "confidence_delta": 0.210412,
            "disruption_including_miss": -0.210412,
            "match_iou": 0.825867,
            "centroid_drift_fraction_diagonal": 0.011651
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.802228,
            "confidence_delta": 0.27271,
            "disruption_including_miss": -0.27271,
            "match_iou": 0.561965,
            "centroid_drift_fraction_diagonal": 0.017164
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.543823,
            "confidence_delta": -0.287441,
            "disruption_including_miss": 0.287441,
            "match_iou": 0.824422,
            "centroid_drift_fraction_diagonal": 0.035108
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.674605,
            "confidence_delta": -0.19441,
            "disruption_including_miss": 0.19441,
            "match_iou": 0.981008,
            "centroid_drift_fraction_diagonal": 0.001271
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.760744,
            "confidence_delta": -0.140431,
            "disruption_including_miss": 0.140431,
            "match_iou": 0.921571,
            "centroid_drift_fraction_diagonal": 0.009629
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.6827,
            "confidence_delta": 0.176098,
            "disruption_including_miss": -0.176098,
            "match_iou": 0.552401,
            "centroid_drift_fraction_diagonal": 0.15963
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "636da407d038716872ab6f3538d76fce6cf5ea6827e49ee515535cf049798037",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.918195,
          "box_xyxy": [
            267.26,
            0.0,
            412.89,
            171.17
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.579763,
          "box_xyxy": [
            21.52,
            0.0,
            419.9,
            877.82
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.988318,
          "box_xyxy": [
            26.36,
            0.73,
            704.2,
            877.83
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.111111,
        "mean_disruption_including_misses": 0.588568,
        "mean_confidence_delta_matched": 0.481716,
        "mean_matched_iou": 0.512139,
        "mean_centroid_drift_fraction_diagonal": 0.160741,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.988318,
            "confidence_delta": 0.481716,
            "disruption_including_miss": -0.481716,
            "match_iou": 0.512139,
            "centroid_drift_fraction_diagonal": 0.160741
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "candidate": "lattice-bloom-rc-07",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "d89b6cdc98f5807e5731c8247150f24d4f4a0e1bd79146627fcdde50218a0a5f",
      "target_counts": {
        "person": 10
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.74121,
          "box_xyxy": [
            389.69,
            0.0,
            490.0,
            114.13
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.685728,
          "box_xyxy": [
            261.05,
            7.38,
            411.98,
            229.09
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.860945,
          "box_xyxy": [
            470.86,
            362.13,
            709.0,
            877.14
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.708463,
          "box_xyxy": [
            313.41,
            42.7,
            409.24,
            183.58
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.93543,
          "box_xyxy": [
            559.27,
            356.33,
            709.0,
            879.35
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.90503,
          "box_xyxy": [
            265.76,
            0.0,
            411.26,
            168.7
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.554919,
          "box_xyxy": [
            30.51,
            9.63,
            659.7,
            875.66
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.907666,
          "box_xyxy": [
            33.45,
            386.73,
            343.98,
            878.4
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.520375,
          "box_xyxy": [
            34.24,
            384.05,
            634.19,
            872.78
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.696599,
          "box_xyxy": [
            262.15,
            0.0,
            475.16,
            168.21
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 10,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.199737,
        "mean_confidence_delta_matched": 0.007716,
        "mean_matched_iou": 0.628136,
        "mean_centroid_drift_fraction_diagonal": 0.066519,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.860945,
            "confidence_delta": -0.029063,
            "disruption_including_miss": 0.029063,
            "match_iou": 0.622282,
            "centroid_drift_fraction_diagonal": 0.043208
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.93543,
            "confidence_delta": 0.190249,
            "disruption_including_miss": -0.190249,
            "match_iou": 0.798655,
            "centroid_drift_fraction_diagonal": 0.015021
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.708463,
            "confidence_delta": 0.178945,
            "disruption_including_miss": -0.178945,
            "match_iou": 0.726378,
            "centroid_drift_fraction_diagonal": 0.009535
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.520375,
            "confidence_delta": -0.34864,
            "disruption_including_miss": 0.34864,
            "match_iou": 0.549432,
            "centroid_drift_fraction_diagonal": 0.111375
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.907666,
            "confidence_delta": 0.006491,
            "disruption_including_miss": -0.006491,
            "match_iou": 0.516956,
            "centroid_drift_fraction_diagonal": 0.064072
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.554919,
            "confidence_delta": 0.048317,
            "disruption_including_miss": -0.048317,
            "match_iou": 0.555114,
            "centroid_drift_fraction_diagonal": 0.155903
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "73c3f53207fee0b0ca6c73f67c5475e7508bbb48baa94120646b5f2dfd46159d",
      "target_counts": {
        "person": 1
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.900792,
          "box_xyxy": [
            34.07,
            0.1,
            418.76,
            876.73
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.111111,
        "mean_disruption_including_misses": 0.598293,
        "mean_confidence_delta_matched": 0.031777,
        "mean_matched_iou": 0.510612,
        "mean_centroid_drift_fraction_diagonal": 0.164397,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.900792,
            "confidence_delta": 0.031777,
            "disruption_including_miss": -0.031777,
            "match_iou": 0.510612,
            "centroid_drift_fraction_diagonal": 0.164397
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "candidate": "broken-halo-rc-08",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "47f4a1f38acaaece7a0fc54af572b7e067148e9454d9f4e57e21f08d9065c517",
      "target_counts": {
        "person": 20
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.744622,
          "box_xyxy": [
            391.09,
            0.0,
            488.6,
            114.96
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.728346,
          "box_xyxy": [
            241.88,
            30.73,
            408.67,
            273.28
          ],
          "target_scope": true
        },
        {
          "class_id": 37,
          "class": "sports ball",
          "confidence": 0.531379,
          "box_xyxy": [
            465.37,
            668.95,
            610.0,
            856.01
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.76175,
          "box_xyxy": [
            622.26,
            190.34,
            709.0,
            315.2
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.689355,
          "box_xyxy": [
            576.46,
            341.5,
            709.0,
            882.18
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.630876,
          "box_xyxy": [
            617.23,
            192.78,
            709.0,
            381.4
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.681224,
          "box_xyxy": [
            312.97,
            30.57,
            412.74,
            219.41
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.768592,
          "box_xyxy": [
            568.06,
            285.79,
            664.72,
            414.56
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.967743,
          "box_xyxy": [
            563.93,
            280.87,
            709.0,
            881.7
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.593825,
          "box_xyxy": [
            248.04,
            529.55,
            351.29,
            703.24
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.753951,
          "box_xyxy": [
            543.34,
            171.22,
            657.77,
            318.89
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.664411,
          "box_xyxy": [
            316.94,
            188.06,
            474.0,
            364.5
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.652847,
          "box_xyxy": [
            141.03,
            651.2,
            384.96,
            875.17
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.702352,
          "box_xyxy": [
            490.53,
            255.1,
            580.16,
            413.8
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.654628,
          "box_xyxy": [
            264.37,
            0.0,
            411.06,
            162.96
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.635227,
          "box_xyxy": [
            30.68,
            1.06,
            655.92,
            878.58
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.532129,
          "box_xyxy": [
            38.01,
            332.12,
            382.17,
            877.86
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.602882,
          "box_xyxy": [
            526.03,
            17.48,
            647.14,
            157.02
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.873749,
          "box_xyxy": [
            31.14,
            360.52,
            202.81,
            886.17
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.57854,
          "box_xyxy": [
            617.74,
            254.92,
            709.0,
            385.69
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.585622,
          "box_xyxy": [
            36.88,
            0.95,
            420.27,
            877.08
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.571025,
          "box_xyxy": [
            316.66,
            467.96,
            474.26,
            641.66
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.502768,
          "box_xyxy": [
            387.19,
            322.43,
            492.53,
            504.01
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.612529,
          "box_xyxy": [
            472.6,
            4.88,
            568.98,
            147.08
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 20,
        "matched_count": 8,
        "association_continuity_rate": 0.888889,
        "mean_disruption_including_misses": 0.073259,
        "mean_confidence_delta_matched": 0.021492,
        "mean_matched_iou": 0.82821,
        "mean_centroid_drift_fraction_diagonal": 0.030808,
        "new_unmatched_target_count": 12,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.967743,
            "confidence_delta": 0.077735,
            "disruption_including_miss": -0.077735,
            "match_iou": 0.86452,
            "centroid_drift_fraction_diagonal": 0.010039
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.689355,
            "confidence_delta": -0.055826,
            "disruption_including_miss": 0.055826,
            "match_iou": 0.924857,
            "centroid_drift_fraction_diagonal": 0.006296
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.681224,
            "confidence_delta": 0.151706,
            "disruption_including_miss": -0.151706,
            "match_iou": 0.821498,
            "centroid_drift_fraction_diagonal": 0.00557
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": true,
            "variant_confidence": 0.593825,
            "confidence_delta": 0.084051,
            "disruption_including_miss": -0.084051,
            "match_iou": 0.905779,
            "centroid_drift_fraction_diagonal": 0.005402
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": true,
            "variant_confidence": 0.652847,
            "confidence_delta": 0.149954,
            "disruption_including_miss": -0.149954,
            "match_iou": 0.65274,
            "centroid_drift_fraction_diagonal": 0.043274
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.532129,
            "confidence_delta": -0.336886,
            "disruption_including_miss": 0.336886,
            "match_iou": 0.917072,
            "centroid_drift_fraction_diagonal": 0.017107
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.873749,
            "confidence_delta": -0.027426,
            "disruption_including_miss": 0.027426,
            "match_iou": 0.983267,
            "centroid_drift_fraction_diagonal": 0.00046
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.635227,
            "confidence_delta": 0.128625,
            "disruption_including_miss": -0.128625,
            "match_iou": 0.555949,
            "centroid_drift_fraction_diagonal": 0.158313
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "ef8935a01b39b0e79ee7e461c2c359b727d17fa7b751fb14378768440dd2d1f1",
      "target_counts": {
        "person": 2
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.904642,
          "box_xyxy": [
            32.8,
            0.64,
            421.09,
            877.51
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.797341,
          "box_xyxy": [
            28.46,
            0.05,
            655.55,
            877.77
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.222222,
        "mean_disruption_including_misses": 0.509272,
        "mean_confidence_delta_matched": 0.163183,
        "mean_matched_iou": 0.529999,
        "mean_centroid_drift_fraction_diagonal": 0.161469,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.904642,
            "confidence_delta": 0.035627,
            "disruption_including_miss": -0.035627,
            "match_iou": 0.506929,
            "centroid_drift_fraction_diagonal": 0.163866
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.797341,
            "confidence_delta": 0.290739,
            "disruption_including_miss": -0.290739,
            "match_iou": 0.553069,
            "centroid_drift_fraction_diagonal": 0.159071
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "candidate": "broken-halo-rc-08",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "7ac5d274d3401fe0b71a5014923fa5ee0b4dca89939828b888706c7a04a552fb",
      "target_counts": {
        "person": 9
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.646156,
          "box_xyxy": [
            392.04,
            0.0,
            493.04,
            115.33
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.744277,
          "box_xyxy": [
            246.85,
            25.26,
            409.33,
            266.53
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.670811,
          "box_xyxy": [
            470.58,
            347.15,
            709.0,
            880.34
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.705505,
          "box_xyxy": [
            508.54,
            522.78,
            588.71,
            692.35
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.571658,
          "box_xyxy": [
            314.31,
            29.42,
            412.52,
            209.59
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.947271,
          "box_xyxy": [
            565.39,
            337.83,
            709.0,
            880.63
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.770934,
          "box_xyxy": [
            36.91,
            362.97,
            388.9,
            878.97
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.904825,
          "box_xyxy": [
            32.94,
            375.34,
            185.53,
            884.79
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.500644,
          "box_xyxy": [
            248.7,
            403.5,
            339.92,
            543.94
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.884302,
          "box_xyxy": [
            258.98,
            0.0,
            411.7,
            166.8
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.582025,
          "box_xyxy": [
            314.55,
            465.27,
            475.49,
            637.54
          ],
          "target_scope": false
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.513101,
          "box_xyxy": [
            390.42,
            321.35,
            492.68,
            505.68
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.268881,
        "mean_confidence_delta_matched": -0.01388,
        "mean_matched_iou": 0.833065,
        "mean_centroid_drift_fraction_diagonal": 0.013839,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.670811,
            "confidence_delta": -0.219197,
            "disruption_including_miss": 0.219197,
            "match_iou": 0.637332,
            "centroid_drift_fraction_diagonal": 0.040043
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.947271,
            "confidence_delta": 0.20209,
            "disruption_including_miss": -0.20209,
            "match_iou": 0.858526,
            "centroid_drift_fraction_diagonal": 0.008294
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.571658,
            "confidence_delta": 0.04214,
            "disruption_including_miss": -0.04214,
            "match_iou": 0.847957,
            "centroid_drift_fraction_diagonal": 0.006551
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.770934,
            "confidence_delta": -0.098081,
            "disruption_including_miss": 0.098081,
            "match_iou": 0.952268,
            "centroid_drift_fraction_diagonal": 0.005412
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.904825,
            "confidence_delta": 0.00365,
            "disruption_including_miss": -0.00365,
            "match_iou": 0.869241,
            "centroid_drift_fraction_diagonal": 0.008894
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "5a190df8b1e386ba3afb7ada6091dba0de8243874e6fc623c9712ecebbb3195f",
      "target_counts": {
        "person": 5
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.597415,
          "box_xyxy": [
            493.71,
            365.64,
            709.0,
            880.24
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.678851,
          "box_xyxy": [
            303.1,
            30.82,
            411.37,
            184.3
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.897937,
          "box_xyxy": [
            31.84,
            0.0,
            417.71,
            876.49
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.891814,
          "box_xyxy": [
            31.89,
            0.26,
            698.32,
            877.5
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.605621,
          "box_xyxy": [
            567.96,
            360.91,
            709.0,
            880.17
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.290421,
        "mean_confidence_delta_matched": 0.026263,
        "mean_matched_iou": 0.674239,
        "mean_centroid_drift_fraction_diagonal": 0.078512,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.597415,
            "confidence_delta": -0.292593,
            "disruption_including_miss": 0.292593,
            "match_iou": 0.680578,
            "centroid_drift_fraction_diagonal": 0.038675
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.605621,
            "confidence_delta": -0.13956,
            "disruption_including_miss": 0.13956,
            "match_iou": 0.839566,
            "centroid_drift_fraction_diagonal": 0.014817
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.678851,
            "confidence_delta": 0.149333,
            "disruption_including_miss": -0.149333,
            "match_iou": 0.821958,
            "centroid_drift_fraction_diagonal": 0.013596
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.897937,
            "confidence_delta": 0.028922,
            "disruption_including_miss": -0.028922,
            "match_iou": 0.508777,
            "centroid_drift_fraction_diagonal": 0.164407
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.891814,
            "confidence_delta": 0.385212,
            "disruption_including_miss": -0.385212,
            "match_iou": 0.520314,
            "centroid_drift_fraction_diagonal": 0.161064
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "candidate": "broken-halo-rc-08",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "f2a9240e33ffc23498ed5826251f2332ef510beda0b3c92356fcf4c7b727f496",
      "target_counts": {
        "person": 10
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.60069,
          "box_xyxy": [
            392.26,
            0.0,
            490.17,
            114.43
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.745605,
          "box_xyxy": [
            261.78,
            11.11,
            411.61,
            236.2
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.613065,
          "box_xyxy": [
            487.57,
            352.88,
            709.0,
            880.46
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.649642,
          "box_xyxy": [
            310.58,
            37.41,
            409.82,
            186.08
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.933009,
          "box_xyxy": [
            564.65,
            347.34,
            709.0,
            881.69
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.904078,
          "box_xyxy": [
            264.14,
            0.0,
            412.26,
            163.14
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.587026,
          "box_xyxy": [
            34.28,
            0.57,
            661.08,
            876.77
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.554423,
          "box_xyxy": [
            40.08,
            355.51,
            386.72,
            878.55
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.903933,
          "box_xyxy": [
            33.7,
            374.4,
            181.16,
            885.71
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.61122,
          "box_xyxy": [
            485.55,
            354.71,
            709.0,
            881.0
          ],
          "target_scope": true
        },
        {
          "class_id": 16,
          "class": "bird",
          "confidence": 0.659657,
          "box_xyxy": [
            315.48,
            465.64,
            477.15,
            638.73
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 10,
        "matched_count": 7,
        "association_continuity_rate": 0.777778,
        "mean_disruption_including_misses": 0.159235,
        "mean_confidence_delta_matched": -0.060064,
        "mean_matched_iou": 0.745142,
        "mean_centroid_drift_fraction_diagonal": 0.045728,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.613065,
            "confidence_delta": -0.276943,
            "disruption_including_miss": 0.276943,
            "match_iou": 0.676615,
            "centroid_drift_fraction_diagonal": 0.036107
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.933009,
            "confidence_delta": 0.187828,
            "disruption_including_miss": -0.187828,
            "match_iou": 0.842525,
            "centroid_drift_fraction_diagonal": 0.01127
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.649642,
            "confidence_delta": 0.120124,
            "disruption_including_miss": -0.120124,
            "match_iou": 0.79382,
            "centroid_drift_fraction_diagonal": 0.01034
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.61122,
            "confidence_delta": -0.220044,
            "disruption_including_miss": 0.220044,
            "match_iou": 0.5663,
            "centroid_drift_fraction_diagonal": 0.084652
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.554423,
            "confidence_delta": -0.314592,
            "disruption_including_miss": 0.314592,
            "match_iou": 0.941033,
            "centroid_drift_fraction_diagonal": 0.008106
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.903933,
            "confidence_delta": 0.002758,
            "disruption_including_miss": -0.002758,
            "match_iou": 0.843085,
            "centroid_drift_fraction_diagonal": 0.010095
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.587026,
            "confidence_delta": 0.080424,
            "disruption_including_miss": -0.080424,
            "match_iou": 0.552619,
            "centroid_drift_fraction_diagonal": 0.159527
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "candidate",
      "image_sha256": "edf901b443ab16b0fc2e3ac03165a4119e52606bab22222d29809d5d421228e8",
      "target_counts": {
        "person": 16
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.874218,
          "box_xyxy": [
            393.42,
            0.0,
            485.95,
            112.1
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.692171,
          "box_xyxy": [
            268.69,
            24.91,
            411.53,
            184.9
          ],
          "target_scope": true
        },
        {
          "class_id": 64,
          "class": "potted plant",
          "confidence": 0.510466,
          "box_xyxy": [
            183.38,
            86.38,
            301.91,
            223.47
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.958686,
          "box_xyxy": [
            564.1,
            356.27,
            709.0,
            881.82
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.575151,
          "box_xyxy": [
            511.36,
            509.96,
            594.02,
            708.09
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.504365,
          "box_xyxy": [
            470.39,
            12.58,
            568.32,
            147.27
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.685332,
          "box_xyxy": [
            619.35,
            190.83,
            709.0,
            304.78
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.893706,
          "box_xyxy": [
            312.57,
            41.21,
            409.29,
            178.82
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.710714,
          "box_xyxy": [
            566.11,
            212.66,
            709.0,
            880.32
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.514217,
          "box_xyxy": [
            534.53,
            63.13,
            649.49,
            201.44
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.861507,
          "box_xyxy": [
            263.9,
            0.0,
            411.1,
            146.48
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.547149,
          "box_xyxy": [
            441.62,
            137.58,
            596.99,
            406.0
          ],
          "target_scope": true
        },
        {
          "class_id": 64,
          "class": "potted plant",
          "confidence": 0.566041,
          "box_xyxy": [
            166.61,
            463.0,
            283.51,
            628.95
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.660131,
          "box_xyxy": [
            40.92,
            350.23,
            391.26,
            877.69
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.585466,
          "box_xyxy": [
            541.29,
            13.53,
            624.77,
            84.0
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.956895,
          "box_xyxy": [
            34.5,
            389.82,
            176.58,
            888.0
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.547372,
          "box_xyxy": [
            618.09,
            191.39,
            709.0,
            377.15
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.570351,
          "box_xyxy": [
            504.41,
            349.4,
            709.0,
            881.02
          ],
          "target_scope": true
        },
        {
          "class_id": 64,
          "class": "potted plant",
          "confidence": 0.577222,
          "box_xyxy": [
            319.31,
            469.67,
            475.9,
            644.89
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 16,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.17055,
        "mean_confidence_delta_matched": -0.002613,
        "mean_matched_iou": 0.804596,
        "mean_centroid_drift_fraction_diagonal": 0.017276,
        "new_unmatched_target_count": 10,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.570351,
            "confidence_delta": -0.319657,
            "disruption_including_miss": 0.319657,
            "match_iou": 0.731426,
            "centroid_drift_fraction_diagonal": 0.030403
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.958686,
            "confidence_delta": 0.213505,
            "disruption_including_miss": -0.213505,
            "match_iou": 0.827296,
            "centroid_drift_fraction_diagonal": 0.014523
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.893706,
            "confidence_delta": 0.364188,
            "disruption_including_miss": -0.364188,
            "match_iou": 0.716107,
            "centroid_drift_fraction_diagonal": 0.011984
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.710714,
            "confidence_delta": -0.12055,
            "disruption_including_miss": 0.12055,
            "match_iou": 0.848178,
            "centroid_drift_fraction_diagonal": 0.018086
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.660131,
            "confidence_delta": -0.208884,
            "disruption_including_miss": 0.208884,
            "match_iou": 0.916116,
            "centroid_drift_fraction_diagonal": 0.011694
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.956895,
            "confidence_delta": 0.05572,
            "disruption_including_miss": -0.05572,
            "match_iou": 0.788454,
            "centroid_drift_fraction_diagonal": 0.016966
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "candidate": "prism-canopy-rc-09",
      "scale": "micro",
      "repeat_px": 94,
      "variant_kind": "matched-control",
      "image_sha256": "2ac02412b45450e1a2f3875fbdccff6e979dc5c3471a5efeb516aed2d5725dbf",
      "target_counts": {
        "person": 9
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.669102,
          "box_xyxy": [
            391.51,
            0.0,
            492.25,
            113.96
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.771324,
          "box_xyxy": [
            267.48,
            7.77,
            412.06,
            228.97
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.676091,
          "box_xyxy": [
            570.37,
            347.11,
            709.0,
            882.94
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.728916,
          "box_xyxy": [
            306.72,
            30.68,
            409.37,
            192.46
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.961725,
          "box_xyxy": [
            559.28,
            285.22,
            709.0,
            882.25
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.598308,
          "box_xyxy": [
            31.56,
            0.62,
            659.55,
            877.15
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.738885,
          "box_xyxy": [
            37.96,
            359.32,
            366.26,
            879.63
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.84452,
          "box_xyxy": [
            31.69,
            373.57,
            185.85,
            886.2
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.90451,
          "box_xyxy": [
            265.91,
            0.0,
            409.86,
            169.3
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.192998,
        "mean_confidence_delta_matched": 0.017824,
        "mean_matched_iou": 0.83248,
        "mean_centroid_drift_fraction_diagonal": 0.033706,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.961725,
            "confidence_delta": 0.071717,
            "disruption_including_miss": -0.071717,
            "match_iou": 0.898648,
            "centroid_drift_fraction_diagonal": 0.007245
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.676091,
            "confidence_delta": -0.06909,
            "disruption_including_miss": 0.06909,
            "match_iou": 0.878139,
            "centroid_drift_fraction_diagonal": 0.010051
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.728916,
            "confidence_delta": 0.199398,
            "disruption_including_miss": -0.199398,
            "match_iou": 0.834043,
            "centroid_drift_fraction_diagonal": 0.010118
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.738885,
            "confidence_delta": -0.13013,
            "disruption_including_miss": 0.13013,
            "match_iou": 0.949573,
            "centroid_drift_fraction_diagonal": 0.006507
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.84452,
            "confidence_delta": -0.056655,
            "disruption_including_miss": 0.056655,
            "match_iou": 0.88248,
            "centroid_drift_fraction_diagonal": 0.009089
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.598308,
            "confidence_delta": 0.091706,
            "disruption_including_miss": -0.091706,
            "match_iou": 0.551997,
            "centroid_drift_fraction_diagonal": 0.159228
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "candidate",
      "image_sha256": "2212c5ac746bbd7bfde36af3e8dcb04e23d176eb633df755b59c894c2a66c6bb",
      "target_counts": {
        "person": 8
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.886271,
          "box_xyxy": [
            305.47,
            38.13,
            409.32,
            184.36
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.760404,
          "box_xyxy": [
            388.59,
            0.0,
            488.54,
            114.1
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.914167,
          "box_xyxy": [
            266.65,
            0.0,
            406.54,
            149.77
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.885493,
          "box_xyxy": [
            555.43,
            369.53,
            709.0,
            880.14
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.554171,
          "box_xyxy": [
            34.84,
            384.4,
            299.48,
            879.27
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.554977,
          "box_xyxy": [
            34.61,
            2.06,
            693.7,
            877.6
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.743616,
          "box_xyxy": [
            34.82,
            383.16,
            173.83,
            887.23
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.722896,
          "box_xyxy": [
            32.77,
            385.45,
            626.69,
            874.38
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.276998,
        "mean_confidence_delta_matched": 0.019226,
        "mean_matched_iou": 0.810729,
        "mean_centroid_drift_fraction_diagonal": 0.021233,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.885493,
            "confidence_delta": -0.004515,
            "disruption_including_miss": 0.004515,
            "match_iou": 0.794141,
            "centroid_drift_fraction_diagonal": 0.033723
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.886271,
            "confidence_delta": 0.356753,
            "disruption_including_miss": -0.356753,
            "match_iou": 0.817062,
            "centroid_drift_fraction_diagonal": 0.010361
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.554171,
            "confidence_delta": -0.314844,
            "disruption_including_miss": 0.314844,
            "match_iou": 0.734331,
            "centroid_drift_fraction_diagonal": 0.036312
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.743616,
            "confidence_delta": -0.157559,
            "disruption_including_miss": 0.157559,
            "match_iou": 0.782716,
            "centroid_drift_fraction_diagonal": 0.01514
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.722896,
            "confidence_delta": 0.216294,
            "disruption_including_miss": -0.216294,
            "match_iou": 0.925395,
            "centroid_drift_fraction_diagonal": 0.010631
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "candidate": "prism-canopy-rc-09",
      "scale": "standard",
      "repeat_px": 170,
      "variant_kind": "matched-control",
      "image_sha256": "1ecd23d9637f666537d7600fd1b48b5e38fb6bd651fd21b62317081975fac0b6",
      "target_counts": {
        "person": 8
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.715652,
          "box_xyxy": [
            388.22,
            0.0,
            489.51,
            112.62
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.897338,
          "box_xyxy": [
            271.22,
            15.68,
            410.82,
            220.2
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.841421,
          "box_xyxy": [
            265.06,
            0.0,
            409.33,
            154.19
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.896176,
          "box_xyxy": [
            563.98,
            353.65,
            709.0,
            881.35
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.668269,
          "box_xyxy": [
            309.83,
            31.58,
            408.93,
            196.34
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.827908,
          "box_xyxy": [
            313.73,
            326.32,
            409.28,
            495.14
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.822359,
          "box_xyxy": [
            33.02,
            0.21,
            664.53,
            877.55
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.640288,
          "box_xyxy": [
            31.47,
            378.47,
            191.82,
            886.13
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.656937,
          "box_xyxy": [
            483.16,
            360.34,
            709.0,
            880.33
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.289045,
        "mean_confidence_delta_matched": 0.022309,
        "mean_matched_iou": 0.754541,
        "mean_centroid_drift_fraction_diagonal": 0.046021,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.656937,
            "confidence_delta": -0.233071,
            "disruption_including_miss": 0.233071,
            "match_iou": 0.65735,
            "centroid_drift_fraction_diagonal": 0.03979
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.896176,
            "confidence_delta": 0.150995,
            "disruption_including_miss": -0.150995,
            "match_iou": 0.829616,
            "centroid_drift_fraction_diagonal": 0.01345
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.668269,
            "confidence_delta": 0.138751,
            "disruption_including_miss": -0.138751,
            "match_iou": 0.829996,
            "centroid_drift_fraction_diagonal": 0.008267
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.640288,
            "confidence_delta": -0.260887,
            "disruption_including_miss": 0.260887,
            "match_iou": 0.906666,
            "centroid_drift_fraction_diagonal": 0.00919
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.822359,
            "confidence_delta": 0.315757,
            "disruption_including_miss": -0.315757,
            "match_iou": 0.549076,
            "centroid_drift_fraction_diagonal": 0.159408
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "candidate",
      "image_sha256": "2c31a9fb302cce72d4701dbc9b035a1765b3de07f62dbb3634f62e3e92bd2571",
      "target_counts": {
        "person": 3
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.784943,
          "box_xyxy": [
            505.42,
            370.57,
            709.0,
            880.23
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.914381,
          "box_xyxy": [
            34.83,
            0.0,
            419.51,
            877.48
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.928529,
          "box_xyxy": [
            35.01,
            0.54,
            702.19,
            878.29
          ],
          "target_scope": true
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 3,
        "matched_count": 3,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.406397,
        "mean_confidence_delta_matched": 0.120743,
        "mean_matched_iou": 0.580441,
        "mean_centroid_drift_fraction_diagonal": 0.121063,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.784943,
            "confidence_delta": -0.105065,
            "disruption_including_miss": 0.105065,
            "match_iou": 0.709421,
            "centroid_drift_fraction_diagonal": 0.03789
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.914381,
            "confidence_delta": 0.045366,
            "disruption_including_miss": -0.045366,
            "match_iou": 0.511267,
            "centroid_drift_fraction_diagonal": 0.16418
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.928529,
            "confidence_delta": 0.421927,
            "disruption_including_miss": -0.421927,
            "match_iou": 0.520635,
            "centroid_drift_fraction_diagonal": 0.161119
          }
        ]
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "candidate": "prism-canopy-rc-09",
      "scale": "macro",
      "repeat_px": 306,
      "variant_kind": "matched-control",
      "image_sha256": "87034fb459ba17234e2ad27c3fe296efa8ba824ba6035285e49c0f7363d9466e",
      "target_counts": {
        "person": 8
      },
      "detections": [
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.723004,
          "box_xyxy": [
            389.53,
            0.0,
            494.15,
            108.62
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.839491,
          "box_xyxy": [
            264.54,
            0.0,
            410.89,
            226.87
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.522165,
          "box_xyxy": [
            395.94,
            599.8,
            510.21,
            765.66
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.810948,
          "box_xyxy": [
            471.56,
            356.59,
            709.0,
            879.02
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.745235,
          "box_xyxy": [
            388.01,
            325.94,
            493.84,
            492.0
          ],
          "target_scope": false
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.805408,
          "box_xyxy": [
            249.09,
            530.07,
            352.1,
            706.92
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.940703,
          "box_xyxy": [
            562.7,
            349.88,
            709.0,
            880.5
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.68523,
          "box_xyxy": [
            248.18,
            409.77,
            335.6,
            543.21
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.899867,
          "box_xyxy": [
            267.08,
            0.0,
            409.38,
            165.43
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.572868,
          "box_xyxy": [
            444.79,
            129.48,
            597.98,
            401.3
          ],
          "target_scope": false
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.946983,
          "box_xyxy": [
            313.3,
            326.52,
            409.79,
            497.59
          ],
          "target_scope": false
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.569204,
          "box_xyxy": [
            31.48,
            0.36,
            663.03,
            877.1
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.756273,
          "box_xyxy": [
            37.59,
            343.15,
            306.72,
            880.28
          ],
          "target_scope": true
        },
        {
          "class_id": 1,
          "class": "person",
          "confidence": 0.80703,
          "box_xyxy": [
            37.02,
            375.02,
            238.54,
            883.57
          ],
          "target_scope": true
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.569266,
          "box_xyxy": [
            452.01,
            381.15,
            564.02,
            548.67
          ],
          "target_scope": false
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.509756,
          "box_xyxy": [
            239.53,
            258.6,
            340.17,
            369.4
          ],
          "target_scope": false
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.802361,
          "box_xyxy": [
            320.65,
            462.97,
            477.54,
            645.74
          ],
          "target_scope": false
        },
        {
          "class_id": 88,
          "class": "teddy bear",
          "confidence": 0.670178,
          "box_xyxy": [
            330.32,
            601.88,
            418.26,
            770.65
          ],
          "target_scope": false
        }
      ],
      "comparison": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.173531,
        "mean_confidence_delta_matched": 0.047025,
        "mean_matched_iou": 0.682822,
        "mean_centroid_drift_fraction_diagonal": 0.047529,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.810948,
            "confidence_delta": -0.07906,
            "disruption_including_miss": 0.07906,
            "match_iou": 0.630426,
            "centroid_drift_fraction_diagonal": 0.041918
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.940703,
            "confidence_delta": 0.195522,
            "disruption_including_miss": -0.195522,
            "match_iou": 0.826665,
            "centroid_drift_fraction_diagonal": 0.012296
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.839491,
            "confidence_delta": 0.309973,
            "disruption_including_miss": -0.309973,
            "match_iou": 0.559781,
            "centroid_drift_fraction_diagonal": 0.018824
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "teddy bear",
              "confidence": 0.805408,
              "iou": 0.938302
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.756273,
            "confidence_delta": -0.112742,
            "disruption_including_miss": 0.112742,
            "match_iou": 0.760789,
            "centroid_drift_fraction_diagonal": 0.0332
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.80703,
            "confidence_delta": -0.094145,
            "disruption_including_miss": 0.094145,
            "match_iou": 0.770593,
            "centroid_drift_fraction_diagonal": 0.019487
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.569204,
            "confidence_delta": 0.062602,
            "disruption_including_miss": -0.062602,
            "match_iou": 0.548676,
            "centroid_drift_fraction_diagonal": 0.159451
          }
        ]
      }
    }
  ],
  "paired_cells": [
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.014088,
        "mean_confidence_delta_matched": -0.014088,
        "mean_matched_iou": 0.991971,
        "mean_centroid_drift_fraction_diagonal": 0.000795,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.929614,
            "confidence_delta": -0.016028,
            "disruption_including_miss": 0.016028,
            "match_iou": 0.986519,
            "centroid_drift_fraction_diagonal": 0.0027
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910011,
            "confidence_delta": 0.001098,
            "disruption_including_miss": -0.001098,
            "match_iou": 0.988956,
            "centroid_drift_fraction_diagonal": 0.000166
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.905379,
            "confidence_delta": 0.005483,
            "disruption_including_miss": -0.005483,
            "match_iou": 0.996463,
            "centroid_drift_fraction_diagonal": 0.000246
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.81539,
            "confidence_delta": -0.010077,
            "disruption_including_miss": 0.010077,
            "match_iou": 0.991784,
            "centroid_drift_fraction_diagonal": 0.000616
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.447732,
            "confidence_delta": -0.050915,
            "disruption_including_miss": 0.050915,
            "match_iou": 0.996131,
            "centroid_drift_fraction_diagonal": 0.000248
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.009271,
        "mean_confidence_delta_matched": -0.009271,
        "mean_matched_iou": 0.987433,
        "mean_centroid_drift_fraction_diagonal": 0.001112,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.929193,
            "confidence_delta": -0.016449,
            "disruption_including_miss": 0.016449,
            "match_iou": 0.968136,
            "centroid_drift_fraction_diagonal": 0.002978
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.911846,
            "confidence_delta": 0.002933,
            "disruption_including_miss": -0.002933,
            "match_iou": 0.989722,
            "centroid_drift_fraction_diagonal": 0.000219
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.903661,
            "confidence_delta": 0.003765,
            "disruption_including_miss": -0.003765,
            "match_iou": 0.996889,
            "centroid_drift_fraction_diagonal": 0.000314
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.801577,
            "confidence_delta": -0.02389,
            "disruption_including_miss": 0.02389,
            "match_iou": 0.984645,
            "centroid_drift_fraction_diagonal": 0.001958
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.485933,
            "confidence_delta": -0.012714,
            "disruption_including_miss": 0.012714,
            "match_iou": 0.997775,
            "centroid_drift_fraction_diagonal": 8.9e-05
          }
        ]
      },
      "radial_disruption": 0.014088,
      "control_disruption": 0.009271,
      "radial_specific_contrast": 0.004817,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.050622,
        "mean_confidence_delta_matched": -0.050622,
        "mean_matched_iou": 0.987451,
        "mean_centroid_drift_fraction_diagonal": 0.000787,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.760149,
            "confidence_delta": -0.185493,
            "disruption_including_miss": 0.185493,
            "match_iou": 0.982312,
            "centroid_drift_fraction_diagonal": 0.002093
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910583,
            "confidence_delta": 0.00167,
            "disruption_including_miss": -0.00167,
            "match_iou": 0.977563,
            "centroid_drift_fraction_diagonal": 0.000275
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.912297,
            "confidence_delta": 0.012401,
            "disruption_including_miss": -0.012401,
            "match_iou": 0.996505,
            "centroid_drift_fraction_diagonal": 0.000411
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.822415,
            "confidence_delta": -0.003052,
            "disruption_including_miss": 0.003052,
            "match_iou": 0.992678,
            "centroid_drift_fraction_diagonal": 0.000656
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.420013,
            "confidence_delta": -0.078634,
            "disruption_including_miss": 0.078634,
            "match_iou": 0.988196,
            "centroid_drift_fraction_diagonal": 0.000501
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.009542,
        "mean_confidence_delta_matched": -0.009542,
        "mean_matched_iou": 0.988084,
        "mean_centroid_drift_fraction_diagonal": 0.000986,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.941969,
            "confidence_delta": -0.003673,
            "disruption_including_miss": 0.003673,
            "match_iou": 0.969941,
            "centroid_drift_fraction_diagonal": 0.002528
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.912186,
            "confidence_delta": 0.003273,
            "disruption_including_miss": -0.003273,
            "match_iou": 0.987784,
            "centroid_drift_fraction_diagonal": 0.00022
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904508,
            "confidence_delta": 0.004612,
            "disruption_including_miss": -0.004612,
            "match_iou": 0.997629,
            "centroid_drift_fraction_diagonal": 0.000181
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.800304,
            "confidence_delta": -0.025163,
            "disruption_including_miss": 0.025163,
            "match_iou": 0.986392,
            "centroid_drift_fraction_diagonal": 0.001946
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.471889,
            "confidence_delta": -0.026758,
            "disruption_including_miss": 0.026758,
            "match_iou": 0.998674,
            "centroid_drift_fraction_diagonal": 5.7e-05
          }
        ]
      },
      "radial_disruption": 0.050622,
      "control_disruption": 0.009542,
      "radial_specific_contrast": 0.04108,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.059228,
        "mean_confidence_delta_matched": -0.059228,
        "mean_matched_iou": 0.978593,
        "mean_centroid_drift_fraction_diagonal": 0.002291,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.731602,
            "confidence_delta": -0.21404,
            "disruption_including_miss": 0.21404,
            "match_iou": 0.94523,
            "centroid_drift_fraction_diagonal": 0.009377
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.9131,
            "confidence_delta": 0.004187,
            "disruption_including_miss": -0.004187,
            "match_iou": 0.977027,
            "centroid_drift_fraction_diagonal": 8.3e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.910042,
            "confidence_delta": 0.010146,
            "disruption_including_miss": -0.010146,
            "match_iou": 0.99777,
            "centroid_drift_fraction_diagonal": 0.000265
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.816144,
            "confidence_delta": -0.009323,
            "disruption_including_miss": 0.009323,
            "match_iou": 0.985758,
            "centroid_drift_fraction_diagonal": 0.001122
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.411536,
            "confidence_delta": -0.087111,
            "disruption_including_miss": 0.087111,
            "match_iou": 0.98718,
            "centroid_drift_fraction_diagonal": 0.000609
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.018741,
        "mean_confidence_delta_matched": -0.018741,
        "mean_matched_iou": 0.989157,
        "mean_centroid_drift_fraction_diagonal": 0.000651,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.91201,
            "confidence_delta": -0.033632,
            "disruption_including_miss": 0.033632,
            "match_iou": 0.982006,
            "centroid_drift_fraction_diagonal": 0.001256
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914152,
            "confidence_delta": 0.005239,
            "disruption_including_miss": -0.005239,
            "match_iou": 0.982475,
            "centroid_drift_fraction_diagonal": 0.0003
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.907267,
            "confidence_delta": 0.007371,
            "disruption_including_miss": -0.007371,
            "match_iou": 0.995928,
            "centroid_drift_fraction_diagonal": 0.000366
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.797723,
            "confidence_delta": -0.027744,
            "disruption_including_miss": 0.027744,
            "match_iou": 0.990105,
            "centroid_drift_fraction_diagonal": 0.001235
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.453707,
            "confidence_delta": -0.04494,
            "disruption_including_miss": 0.04494,
            "match_iou": 0.995271,
            "centroid_drift_fraction_diagonal": 9.7e-05
          }
        ]
      },
      "radial_disruption": 0.059228,
      "control_disruption": 0.018741,
      "radial_specific_contrast": 0.040487,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.04507,
        "mean_confidence_delta_matched": -0.04507,
        "mean_matched_iou": 0.986775,
        "mean_centroid_drift_fraction_diagonal": 0.001344,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.763583,
            "confidence_delta": -0.182059,
            "disruption_including_miss": 0.182059,
            "match_iou": 0.969051,
            "centroid_drift_fraction_diagonal": 0.002733
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910724,
            "confidence_delta": 0.001811,
            "disruption_including_miss": -0.001811,
            "match_iou": 0.992883,
            "centroid_drift_fraction_diagonal": 0.000325
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904658,
            "confidence_delta": 0.004762,
            "disruption_including_miss": -0.004762,
            "match_iou": 0.996006,
            "centroid_drift_fraction_diagonal": 0.000353
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.805197,
            "confidence_delta": -0.02027,
            "disruption_including_miss": 0.02027,
            "match_iou": 0.978815,
            "centroid_drift_fraction_diagonal": 0.00324
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.469054,
            "confidence_delta": -0.029593,
            "disruption_including_miss": 0.029593,
            "match_iou": 0.997122,
            "centroid_drift_fraction_diagonal": 6.7e-05
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.010359,
        "mean_confidence_delta_matched": -0.010359,
        "mean_matched_iou": 0.991183,
        "mean_centroid_drift_fraction_diagonal": 0.000699,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.931113,
            "confidence_delta": -0.014529,
            "disruption_including_miss": 0.014529,
            "match_iou": 0.970468,
            "centroid_drift_fraction_diagonal": 0.0029
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910214,
            "confidence_delta": 0.001301,
            "disruption_including_miss": -0.001301,
            "match_iou": 0.992123,
            "centroid_drift_fraction_diagonal": 0.000259
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.902742,
            "confidence_delta": 0.002846,
            "disruption_including_miss": -0.002846,
            "match_iou": 0.997736,
            "centroid_drift_fraction_diagonal": 0.000198
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.80504,
            "confidence_delta": -0.020427,
            "disruption_including_miss": 0.020427,
            "match_iou": 0.997874,
            "centroid_drift_fraction_diagonal": 9.4e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.47766,
            "confidence_delta": -0.020987,
            "disruption_including_miss": 0.020987,
            "match_iou": 0.997716,
            "centroid_drift_fraction_diagonal": 4.5e-05
          }
        ]
      },
      "radial_disruption": 0.04507,
      "control_disruption": 0.010359,
      "radial_specific_contrast": 0.034711,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.025845,
        "mean_confidence_delta_matched": -0.025845,
        "mean_matched_iou": 0.989984,
        "mean_centroid_drift_fraction_diagonal": 0.001004,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.862658,
            "confidence_delta": -0.082984,
            "disruption_including_miss": 0.082984,
            "match_iou": 0.975578,
            "centroid_drift_fraction_diagonal": 0.003044
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.909934,
            "confidence_delta": 0.001021,
            "disruption_including_miss": -0.001021,
            "match_iou": 0.989525,
            "centroid_drift_fraction_diagonal": 0.000199
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.90527,
            "confidence_delta": 0.005374,
            "disruption_including_miss": -0.005374,
            "match_iou": 0.996336,
            "centroid_drift_fraction_diagonal": 0.00029
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.802639,
            "confidence_delta": -0.022828,
            "disruption_including_miss": 0.022828,
            "match_iou": 0.99255,
            "centroid_drift_fraction_diagonal": 0.001304
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.468839,
            "confidence_delta": -0.029808,
            "disruption_including_miss": 0.029808,
            "match_iou": 0.995932,
            "centroid_drift_fraction_diagonal": 0.000181
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.019682,
        "mean_confidence_delta_matched": -0.019682,
        "mean_matched_iou": 0.988042,
        "mean_centroid_drift_fraction_diagonal": 0.001181,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.888295,
            "confidence_delta": -0.057347,
            "disruption_including_miss": 0.057347,
            "match_iou": 0.976535,
            "centroid_drift_fraction_diagonal": 0.001613
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910752,
            "confidence_delta": 0.001839,
            "disruption_including_miss": -0.001839,
            "match_iou": 0.990278,
            "centroid_drift_fraction_diagonal": 0.000219
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.904797,
            "confidence_delta": 0.004901,
            "disruption_including_miss": -0.004901,
            "match_iou": 0.997778,
            "centroid_drift_fraction_diagonal": 0.000204
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.793527,
            "confidence_delta": -0.03194,
            "disruption_including_miss": 0.03194,
            "match_iou": 0.976962,
            "centroid_drift_fraction_diagonal": 0.003845
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.482785,
            "confidence_delta": -0.015862,
            "disruption_including_miss": 0.015862,
            "match_iou": 0.998656,
            "centroid_drift_fraction_diagonal": 2.3e-05
          }
        ]
      },
      "radial_disruption": 0.025845,
      "control_disruption": 0.019682,
      "radial_specific_contrast": 0.006163,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.072364,
        "mean_confidence_delta_matched": -0.072364,
        "mean_matched_iou": 0.98417,
        "mean_centroid_drift_fraction_diagonal": 0.001972,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.653901,
            "confidence_delta": -0.291741,
            "disruption_including_miss": 0.291741,
            "match_iou": 0.970792,
            "centroid_drift_fraction_diagonal": 0.003369
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910623,
            "confidence_delta": 0.00171,
            "disruption_including_miss": -0.00171,
            "match_iou": 0.990252,
            "centroid_drift_fraction_diagonal": 0.000119
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.90387,
            "confidence_delta": 0.003974,
            "disruption_including_miss": -0.003974,
            "match_iou": 0.997693,
            "centroid_drift_fraction_diagonal": 0.000162
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.791892,
            "confidence_delta": -0.033575,
            "disruption_including_miss": 0.033575,
            "match_iou": 0.965393,
            "centroid_drift_fraction_diagonal": 0.006
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.456458,
            "confidence_delta": -0.042189,
            "disruption_including_miss": 0.042189,
            "match_iou": 0.996719,
            "centroid_drift_fraction_diagonal": 0.000208
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.017928,
        "mean_confidence_delta_matched": -0.017928,
        "mean_matched_iou": 0.987644,
        "mean_centroid_drift_fraction_diagonal": 0.000931,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.919544,
            "confidence_delta": -0.026098,
            "disruption_including_miss": 0.026098,
            "match_iou": 0.963267,
            "centroid_drift_fraction_diagonal": 0.003711
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.911923,
            "confidence_delta": 0.00301,
            "disruption_including_miss": -0.00301,
            "match_iou": 0.984471,
            "centroid_drift_fraction_diagonal": 9.8e-05
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.903098,
            "confidence_delta": 0.003202,
            "disruption_including_miss": -0.003202,
            "match_iou": 0.995721,
            "centroid_drift_fraction_diagonal": 0.000394
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.796545,
            "confidence_delta": -0.028922,
            "disruption_including_miss": 0.028922,
            "match_iou": 0.997355,
            "centroid_drift_fraction_diagonal": 0.000408
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.457814,
            "confidence_delta": -0.040833,
            "disruption_including_miss": 0.040833,
            "match_iou": 0.997408,
            "centroid_drift_fraction_diagonal": 4.5e-05
          }
        ]
      },
      "radial_disruption": 0.072364,
      "control_disruption": 0.017928,
      "radial_specific_contrast": 0.054436,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.063342,
        "mean_confidence_delta_matched": -0.063342,
        "mean_matched_iou": 0.985068,
        "mean_centroid_drift_fraction_diagonal": 0.001227,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.702885,
            "confidence_delta": -0.242757,
            "disruption_including_miss": 0.242757,
            "match_iou": 0.967242,
            "centroid_drift_fraction_diagonal": 0.003777
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914661,
            "confidence_delta": 0.005748,
            "disruption_including_miss": -0.005748,
            "match_iou": 0.97943,
            "centroid_drift_fraction_diagonal": 0.000367
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.908022,
            "confidence_delta": 0.008126,
            "disruption_including_miss": -0.008126,
            "match_iou": 0.996122,
            "centroid_drift_fraction_diagonal": 0.000334
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.806064,
            "confidence_delta": -0.019403,
            "disruption_including_miss": 0.019403,
            "match_iou": 0.986897,
            "centroid_drift_fraction_diagonal": 0.00138
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.430224,
            "confidence_delta": -0.068423,
            "disruption_including_miss": 0.068423,
            "match_iou": 0.995649,
            "centroid_drift_fraction_diagonal": 0.000278
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.01925,
        "mean_confidence_delta_matched": -0.01925,
        "mean_matched_iou": 0.986188,
        "mean_centroid_drift_fraction_diagonal": 0.000987,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.911245,
            "confidence_delta": -0.034397,
            "disruption_including_miss": 0.034397,
            "match_iou": 0.965792,
            "centroid_drift_fraction_diagonal": 0.00317
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.914662,
            "confidence_delta": 0.005749,
            "disruption_including_miss": -0.005749,
            "match_iou": 0.98141,
            "centroid_drift_fraction_diagonal": 0.000307
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.906288,
            "confidence_delta": 0.006392,
            "disruption_including_miss": -0.006392,
            "match_iou": 0.996714,
            "centroid_drift_fraction_diagonal": 0.000346
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.787699,
            "confidence_delta": -0.037768,
            "disruption_including_miss": 0.037768,
            "match_iou": 0.990895,
            "centroid_drift_fraction_diagonal": 0.001026
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.462419,
            "confidence_delta": -0.036228,
            "disruption_including_miss": 0.036228,
            "match_iou": 0.996131,
            "centroid_drift_fraction_diagonal": 8.7e-05
          }
        ]
      },
      "radial_disruption": 0.063342,
      "control_disruption": 0.01925,
      "radial_specific_contrast": 0.044092,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.163129,
        "mean_confidence_delta_matched": -0.163129,
        "mean_matched_iou": 0.984909,
        "mean_centroid_drift_fraction_diagonal": 0.001179,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.269602,
            "confidence_delta": -0.67604,
            "disruption_including_miss": 0.67604,
            "match_iou": 0.985119,
            "centroid_drift_fraction_diagonal": 0.002433
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.916088,
            "confidence_delta": 0.007175,
            "disruption_including_miss": -0.007175,
            "match_iou": 0.97495,
            "centroid_drift_fraction_diagonal": 0.000274
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.910495,
            "confidence_delta": 0.010599,
            "disruption_including_miss": -0.010599,
            "match_iou": 0.996486,
            "centroid_drift_fraction_diagonal": 0.000294
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.77718,
            "confidence_delta": -0.048287,
            "disruption_including_miss": 0.048287,
            "match_iou": 0.97858,
            "centroid_drift_fraction_diagonal": 0.002475
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.389554,
            "confidence_delta": -0.109093,
            "disruption_including_miss": 0.109093,
            "match_iou": 0.989411,
            "centroid_drift_fraction_diagonal": 0.00042
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.03108,
        "mean_confidence_delta_matched": -0.03108,
        "mean_matched_iou": 0.983448,
        "mean_centroid_drift_fraction_diagonal": 0.001472,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.861812,
            "confidence_delta": -0.08383,
            "disruption_including_miss": 0.08383,
            "match_iou": 0.958414,
            "centroid_drift_fraction_diagonal": 0.004552
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.915488,
            "confidence_delta": 0.006575,
            "disruption_including_miss": -0.006575,
            "match_iou": 0.983533,
            "centroid_drift_fraction_diagonal": 0.000322
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.905153,
            "confidence_delta": 0.005257,
            "disruption_including_miss": -0.005257,
            "match_iou": 0.997735,
            "centroid_drift_fraction_diagonal": 0.000198
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.782028,
            "confidence_delta": -0.043439,
            "disruption_including_miss": 0.043439,
            "match_iou": 0.983189,
            "centroid_drift_fraction_diagonal": 0.002165
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.458684,
            "confidence_delta": -0.039963,
            "disruption_including_miss": 0.039963,
            "match_iou": 0.994368,
            "centroid_drift_fraction_diagonal": 0.000121
          }
        ]
      },
      "radial_disruption": 0.163129,
      "control_disruption": 0.03108,
      "radial_specific_contrast": 0.132049,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.21887,
        "mean_confidence_delta_matched": -0.037177,
        "mean_matched_iou": 0.977716,
        "mean_centroid_drift_fraction_diagonal": 0.00203,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.945642,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "truck",
              "confidence": 0.627553,
              "iou": 0.981452
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.910354,
            "confidence_delta": 0.001441,
            "disruption_including_miss": -0.001441,
            "match_iou": 0.973359,
            "centroid_drift_fraction_diagonal": 0.000415
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.912515,
            "confidence_delta": 0.012619,
            "disruption_including_miss": -0.012619,
            "match_iou": 0.99537,
            "centroid_drift_fraction_diagonal": 0.000485
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.780853,
            "confidence_delta": -0.044614,
            "disruption_including_miss": 0.044614,
            "match_iou": 0.95317,
            "centroid_drift_fraction_diagonal": 0.006719
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.380492,
            "confidence_delta": -0.118155,
            "disruption_including_miss": 0.118155,
            "match_iou": 0.988964,
            "centroid_drift_fraction_diagonal": 0.000499
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.021477,
        "mean_confidence_delta_matched": -0.021477,
        "mean_matched_iou": 0.987338,
        "mean_centroid_drift_fraction_diagonal": 0.000881,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "bus",
            "baseline_confidence": 0.945642,
            "matched": true,
            "variant_confidence": 0.896391,
            "confidence_delta": -0.049251,
            "disruption_including_miss": 0.049251,
            "match_iou": 0.96755,
            "centroid_drift_fraction_diagonal": 0.003217
          },
          {
            "class": "person",
            "baseline_confidence": 0.908913,
            "matched": true,
            "variant_confidence": 0.915626,
            "confidence_delta": 0.006713,
            "disruption_including_miss": -0.006713,
            "match_iou": 0.982852,
            "centroid_drift_fraction_diagonal": 0.000234
          },
          {
            "class": "person",
            "baseline_confidence": 0.899896,
            "matched": true,
            "variant_confidence": 0.908327,
            "confidence_delta": 0.008431,
            "disruption_including_miss": -0.008431,
            "match_iou": 0.99658,
            "centroid_drift_fraction_diagonal": 0.000297
          },
          {
            "class": "person",
            "baseline_confidence": 0.825467,
            "matched": true,
            "variant_confidence": 0.803697,
            "confidence_delta": -0.02177,
            "disruption_including_miss": 0.02177,
            "match_iou": 0.994174,
            "centroid_drift_fraction_diagonal": 0.000561
          },
          {
            "class": "person",
            "baseline_confidence": 0.498647,
            "matched": true,
            "variant_confidence": 0.447137,
            "confidence_delta": -0.05151,
            "disruption_including_miss": 0.05151,
            "match_iou": 0.995533,
            "centroid_drift_fraction_diagonal": 9.8e-05
          }
        ]
      },
      "radial_disruption": 0.21887,
      "control_disruption": 0.021477,
      "radial_specific_contrast": 0.197393,
      "radial_continuity": 0.8,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.03491,
        "mean_confidence_delta_matched": -0.03491,
        "mean_matched_iou": 0.79035,
        "mean_centroid_drift_fraction_diagonal": 0.063716,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.931169,
            "confidence_delta": 0.002104,
            "disruption_including_miss": -0.002104,
            "match_iou": 0.935592,
            "centroid_drift_fraction_diagonal": 0.008836
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.843285,
            "confidence_delta": -0.071923,
            "disruption_including_miss": 0.071923,
            "match_iou": 0.645107,
            "centroid_drift_fraction_diagonal": 0.118596
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.115907,
        "mean_confidence_delta_matched": -0.115907,
        "mean_matched_iou": 0.87546,
        "mean_centroid_drift_fraction_diagonal": 0.034713,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.906241,
            "confidence_delta": -0.022824,
            "disruption_including_miss": 0.022824,
            "match_iou": 0.946824,
            "centroid_drift_fraction_diagonal": 0.007389
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.706218,
            "confidence_delta": -0.20899,
            "disruption_including_miss": 0.20899,
            "match_iou": 0.804095,
            "centroid_drift_fraction_diagonal": 0.062036
          }
        ]
      },
      "radial_disruption": 0.03491,
      "control_disruption": 0.115907,
      "radial_specific_contrast": -0.080997,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.089571,
        "mean_confidence_delta_matched": -0.089571,
        "mean_matched_iou": 0.766617,
        "mean_centroid_drift_fraction_diagonal": 0.06811,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.876319,
            "confidence_delta": -0.052746,
            "disruption_including_miss": 0.052746,
            "match_iou": 0.920887,
            "centroid_drift_fraction_diagonal": 0.006788
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.788812,
            "confidence_delta": -0.126396,
            "disruption_including_miss": 0.126396,
            "match_iou": 0.612348,
            "centroid_drift_fraction_diagonal": 0.129433
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084312,
        "mean_confidence_delta_matched": -0.084312,
        "mean_matched_iou": 0.852913,
        "mean_centroid_drift_fraction_diagonal": 0.040296,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.908315,
            "confidence_delta": -0.02075,
            "disruption_including_miss": 0.02075,
            "match_iou": 0.932873,
            "centroid_drift_fraction_diagonal": 0.009529
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.767334,
            "confidence_delta": -0.147874,
            "disruption_including_miss": 0.147874,
            "match_iou": 0.772954,
            "centroid_drift_fraction_diagonal": 0.071064
          }
        ]
      },
      "radial_disruption": 0.089571,
      "control_disruption": 0.084312,
      "radial_specific_contrast": 0.005259,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.045103,
        "mean_confidence_delta_matched": -0.045103,
        "mean_matched_iou": 0.721132,
        "mean_centroid_drift_fraction_diagonal": 0.077801,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.86655,
            "confidence_delta": -0.062515,
            "disruption_including_miss": 0.062515,
            "match_iou": 0.896084,
            "centroid_drift_fraction_diagonal": 0.003924
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.887518,
            "confidence_delta": -0.02769,
            "disruption_including_miss": 0.02769,
            "match_iou": 0.54618,
            "centroid_drift_fraction_diagonal": 0.151678
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.13674,
        "mean_confidence_delta_matched": -0.13674,
        "mean_matched_iou": 0.789605,
        "mean_centroid_drift_fraction_diagonal": 0.062233,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.925654,
            "confidence_delta": -0.003411,
            "disruption_including_miss": 0.003411,
            "match_iou": 0.922552,
            "centroid_drift_fraction_diagonal": 0.010719
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.645139,
            "confidence_delta": -0.270069,
            "disruption_including_miss": 0.270069,
            "match_iou": 0.656658,
            "centroid_drift_fraction_diagonal": 0.113747
          }
        ]
      },
      "radial_disruption": 0.045103,
      "control_disruption": 0.13674,
      "radial_specific_contrast": -0.091637,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.234874,
        "mean_confidence_delta_matched": -0.234874,
        "mean_matched_iou": 0.903679,
        "mean_centroid_drift_fraction_diagonal": 0.025731,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.873544,
            "confidence_delta": -0.055521,
            "disruption_including_miss": 0.055521,
            "match_iou": 0.96158,
            "centroid_drift_fraction_diagonal": 0.004486
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.50098,
            "confidence_delta": -0.414228,
            "disruption_including_miss": 0.414228,
            "match_iou": 0.845777,
            "centroid_drift_fraction_diagonal": 0.046977
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.090581,
        "mean_confidence_delta_matched": -0.090581,
        "mean_matched_iou": 0.858821,
        "mean_centroid_drift_fraction_diagonal": 0.037678,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.911193,
            "confidence_delta": -0.017872,
            "disruption_including_miss": 0.017872,
            "match_iou": 0.93576,
            "centroid_drift_fraction_diagonal": 0.009038
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.751918,
            "confidence_delta": -0.16329,
            "disruption_including_miss": 0.16329,
            "match_iou": 0.781882,
            "centroid_drift_fraction_diagonal": 0.066318
          }
        ]
      },
      "radial_disruption": 0.234874,
      "control_disruption": 0.090581,
      "radial_specific_contrast": 0.144293,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.258467,
        "mean_confidence_delta_matched": -0.258467,
        "mean_matched_iou": 0.906989,
        "mean_centroid_drift_fraction_diagonal": 0.020002,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.681762,
            "confidence_delta": -0.247303,
            "disruption_including_miss": 0.247303,
            "match_iou": 0.908702,
            "centroid_drift_fraction_diagonal": 0.010016
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.645576,
            "confidence_delta": -0.269632,
            "disruption_including_miss": 0.269632,
            "match_iou": 0.905276,
            "centroid_drift_fraction_diagonal": 0.029989
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.109978,
        "mean_confidence_delta_matched": -0.109978,
        "mean_matched_iou": 0.871106,
        "mean_centroid_drift_fraction_diagonal": 0.033591,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.904454,
            "confidence_delta": -0.024611,
            "disruption_including_miss": 0.024611,
            "match_iou": 0.937518,
            "centroid_drift_fraction_diagonal": 0.008329
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.719862,
            "confidence_delta": -0.195346,
            "disruption_including_miss": 0.195346,
            "match_iou": 0.804694,
            "centroid_drift_fraction_diagonal": 0.058853
          }
        ]
      },
      "radial_disruption": 0.258467,
      "control_disruption": 0.109978,
      "radial_specific_contrast": 0.148489,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.46484,
        "mean_confidence_delta_matched": -0.46484,
        "mean_matched_iou": 0.763323,
        "mean_centroid_drift_fraction_diagonal": 0.067079,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.618537,
            "confidence_delta": -0.310528,
            "disruption_including_miss": 0.310528,
            "match_iou": 0.913616,
            "centroid_drift_fraction_diagonal": 0.00548
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.296056,
            "confidence_delta": -0.619152,
            "disruption_including_miss": 0.619152,
            "match_iou": 0.61303,
            "centroid_drift_fraction_diagonal": 0.128677
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.053295,
        "mean_confidence_delta_matched": -0.053295,
        "mean_matched_iou": 0.815509,
        "mean_centroid_drift_fraction_diagonal": 0.053722,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.924445,
            "confidence_delta": -0.00462,
            "disruption_including_miss": 0.00462,
            "match_iou": 0.935226,
            "centroid_drift_fraction_diagonal": 0.009039
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.813238,
            "confidence_delta": -0.10197,
            "disruption_including_miss": 0.10197,
            "match_iou": 0.695793,
            "centroid_drift_fraction_diagonal": 0.098406
          }
        ]
      },
      "radial_disruption": 0.46484,
      "control_disruption": 0.053295,
      "radial_specific_contrast": 0.411545,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.070619,
        "mean_confidence_delta_matched": -0.070619,
        "mean_matched_iou": 0.781126,
        "mean_centroid_drift_fraction_diagonal": 0.052696,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.888185,
            "confidence_delta": -0.04088,
            "disruption_including_miss": 0.04088,
            "match_iou": 0.885446,
            "centroid_drift_fraction_diagonal": 0.00131
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.814851,
            "confidence_delta": -0.100357,
            "disruption_including_miss": 0.100357,
            "match_iou": 0.676806,
            "centroid_drift_fraction_diagonal": 0.104082
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.402052,
        "mean_confidence_delta_matched": -0.402052,
        "mean_matched_iou": 0.836448,
        "mean_centroid_drift_fraction_diagonal": 0.04559,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.315022,
            "confidence_delta": -0.614043,
            "disruption_including_miss": 0.614043,
            "match_iou": 0.932796,
            "centroid_drift_fraction_diagonal": 0.008915
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.725147,
            "confidence_delta": -0.190061,
            "disruption_including_miss": 0.190061,
            "match_iou": 0.740101,
            "centroid_drift_fraction_diagonal": 0.082265
          }
        ]
      },
      "radial_disruption": 0.070619,
      "control_disruption": 0.402052,
      "radial_specific_contrast": -0.331433,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.047862,
        "mean_confidence_delta_matched": -0.047862,
        "mean_matched_iou": 0.750637,
        "mean_centroid_drift_fraction_diagonal": 0.059132,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.856146,
            "confidence_delta": -0.072919,
            "disruption_including_miss": 0.072919,
            "match_iou": 0.84422,
            "centroid_drift_fraction_diagonal": 0.004081
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.892404,
            "confidence_delta": -0.022804,
            "disruption_including_miss": 0.022804,
            "match_iou": 0.657054,
            "centroid_drift_fraction_diagonal": 0.114183
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.233727,
        "mean_confidence_delta_matched": -0.233727,
        "mean_matched_iou": 0.852449,
        "mean_centroid_drift_fraction_diagonal": 0.037612,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.902841,
            "confidence_delta": -0.026224,
            "disruption_including_miss": 0.026224,
            "match_iou": 0.929743,
            "centroid_drift_fraction_diagonal": 0.00861
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.473978,
            "confidence_delta": -0.44123,
            "disruption_including_miss": 0.44123,
            "match_iou": 0.775155,
            "centroid_drift_fraction_diagonal": 0.066614
          }
        ]
      },
      "radial_disruption": 0.047862,
      "control_disruption": 0.233727,
      "radial_specific_contrast": -0.185865,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.085876,
        "mean_confidence_delta_matched": -0.085876,
        "mean_matched_iou": 0.661174,
        "mean_centroid_drift_fraction_diagonal": 0.083736,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.8918,
            "confidence_delta": -0.037265,
            "disruption_including_miss": 0.037265,
            "match_iou": 0.759947,
            "centroid_drift_fraction_diagonal": 0.021261
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.78072,
            "confidence_delta": -0.134488,
            "disruption_including_miss": 0.134488,
            "match_iou": 0.562402,
            "centroid_drift_fraction_diagonal": 0.14621
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.059242,
        "mean_confidence_delta_matched": -0.059242,
        "mean_matched_iou": 0.783574,
        "mean_centroid_drift_fraction_diagonal": 0.063552,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.929065,
            "matched": true,
            "variant_confidence": 0.920113,
            "confidence_delta": -0.008952,
            "disruption_including_miss": 0.008952,
            "match_iou": 0.931952,
            "centroid_drift_fraction_diagonal": 0.008366
          },
          {
            "class": "person",
            "baseline_confidence": 0.915208,
            "matched": true,
            "variant_confidence": 0.805677,
            "confidence_delta": -0.109531,
            "disruption_including_miss": 0.109531,
            "match_iou": 0.635196,
            "centroid_drift_fraction_diagonal": 0.118739
          }
        ]
      },
      "radial_disruption": 0.085876,
      "control_disruption": 0.059242,
      "radial_specific_contrast": 0.026634,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.133041,
        "mean_confidence_delta_matched": -0.020003,
        "mean_matched_iou": 0.971102,
        "mean_centroid_drift_fraction_diagonal": 0.005271,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.316533,
            "confidence_delta": -0.067837,
            "disruption_including_miss": 0.067837,
            "match_iou": 0.971102,
            "centroid_drift_fraction_diagonal": 0.005271
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.359833,
            "confidence_delta": 0.02783,
            "disruption_including_miss": -0.02783,
            "match_iou": 0.971102,
            "centroid_drift_fraction_diagonal": 0.005271
          }
        ]
      },
      "radial_disruption": 0.358497,
      "control_disruption": 0.133041,
      "radial_specific_contrast": 0.225456,
      "radial_continuity": 0.0,
      "control_continuity": 0.666667
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.131829,
        "mean_confidence_delta_matched": -0.018185,
        "mean_matched_iou": 0.978596,
        "mean_centroid_drift_fraction_diagonal": 0.001588,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.321351,
            "confidence_delta": -0.063019,
            "disruption_including_miss": 0.063019,
            "match_iou": 0.978596,
            "centroid_drift_fraction_diagonal": 0.001588
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.358653,
            "confidence_delta": 0.02665,
            "disruption_including_miss": -0.02665,
            "match_iou": 0.978596,
            "centroid_drift_fraction_diagonal": 0.001588
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.240023,
        "mean_confidence_delta_matched": 0.023417,
        "mean_matched_iou": 0.96235,
        "mean_centroid_drift_fraction_diagonal": 0.006879,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.35542,
            "confidence_delta": 0.023417,
            "disruption_including_miss": -0.023417,
            "match_iou": 0.96235,
            "centroid_drift_fraction_diagonal": 0.006879
          }
        ]
      },
      "radial_disruption": 0.131829,
      "control_disruption": 0.240023,
      "radial_specific_contrast": -0.108194,
      "radial_continuity": 0.666667,
      "control_continuity": 0.333333
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.095,
        "mean_confidence_delta_matched": 0.037059,
        "mean_matched_iou": 0.952806,
        "mean_centroid_drift_fraction_diagonal": 0.012746,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.333873,
            "confidence_delta": -0.050497,
            "disruption_including_miss": 0.050497,
            "match_iou": 0.952806,
            "centroid_drift_fraction_diagonal": 0.012746
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.456617,
            "confidence_delta": 0.124614,
            "disruption_including_miss": -0.124614,
            "match_iou": 0.952806,
            "centroid_drift_fraction_diagonal": 0.012746
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.225974,
        "mean_confidence_delta_matched": 0.065566,
        "mean_matched_iou": 0.951198,
        "mean_centroid_drift_fraction_diagonal": 0.010309,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.397569,
            "confidence_delta": 0.065566,
            "disruption_including_miss": -0.065566,
            "match_iou": 0.951198,
            "centroid_drift_fraction_diagonal": 0.010309
          }
        ]
      },
      "radial_disruption": 0.095,
      "control_disruption": 0.225974,
      "radial_specific_contrast": -0.130974,
      "radial_continuity": 0.666667,
      "control_continuity": 0.333333
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.199647,
        "mean_confidence_delta_matched": 0.144547,
        "mean_matched_iou": 0.974194,
        "mean_centroid_drift_fraction_diagonal": 0.007561,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.47655,
            "confidence_delta": 0.144547,
            "disruption_including_miss": -0.144547,
            "match_iou": 0.974194,
            "centroid_drift_fraction_diagonal": 0.007561
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.10327,
        "mean_confidence_delta_matched": 0.024654,
        "mean_matched_iou": 0.963539,
        "mean_centroid_drift_fraction_diagonal": 0.00723,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.268411,
            "confidence_delta": -0.115959,
            "disruption_including_miss": 0.115959,
            "match_iou": 0.963539,
            "centroid_drift_fraction_diagonal": 0.00723
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.49727,
            "confidence_delta": 0.165267,
            "disruption_including_miss": -0.165267,
            "match_iou": 0.963539,
            "centroid_drift_fraction_diagonal": 0.00723
          }
        ]
      },
      "radial_disruption": 0.199647,
      "control_disruption": 0.10327,
      "radial_specific_contrast": 0.096377,
      "radial_continuity": 0.333333,
      "control_continuity": 0.666667
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.08362,
        "mean_confidence_delta_matched": 0.054128,
        "mean_matched_iou": 0.973106,
        "mean_centroid_drift_fraction_diagonal": 0.008243,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.391485,
            "confidence_delta": 0.007115,
            "disruption_including_miss": -0.007115,
            "match_iou": 0.973106,
            "centroid_drift_fraction_diagonal": 0.008243
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.433144,
            "confidence_delta": 0.101141,
            "disruption_including_miss": -0.101141,
            "match_iou": 0.973106,
            "centroid_drift_fraction_diagonal": 0.008243
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.245965,
        "mean_confidence_delta_matched": 0.005593,
        "mean_matched_iou": 0.9749,
        "mean_centroid_drift_fraction_diagonal": 0.002102,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "car",
              "confidence": 0.393398,
              "iou": 0.913192
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.337596,
            "confidence_delta": 0.005593,
            "disruption_including_miss": -0.005593,
            "match_iou": 0.9749,
            "centroid_drift_fraction_diagonal": 0.002102
          }
        ]
      },
      "radial_disruption": 0.08362,
      "control_disruption": 0.245965,
      "radial_specific_contrast": -0.162345,
      "radial_continuity": 0.666667,
      "control_continuity": 0.333333
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.258273,
        "mean_confidence_delta_matched": -0.031332,
        "mean_matched_iou": 0.96057,
        "mean_centroid_drift_fraction_diagonal": 0.002929,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.300671,
            "confidence_delta": -0.031332,
            "disruption_including_miss": 0.031332,
            "match_iou": 0.96057,
            "centroid_drift_fraction_diagonal": 0.002929
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.165051,
        "mean_confidence_delta_matched": -0.068017,
        "mean_matched_iou": 0.978372,
        "mean_centroid_drift_fraction_diagonal": 0.002006,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.306523,
            "confidence_delta": -0.077847,
            "disruption_including_miss": 0.077847,
            "match_iou": 0.978372,
            "centroid_drift_fraction_diagonal": 0.002006
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.273815,
            "confidence_delta": -0.058188,
            "disruption_including_miss": 0.058188,
            "match_iou": 0.978372,
            "centroid_drift_fraction_diagonal": 0.002006
          }
        ]
      },
      "radial_disruption": 0.258273,
      "control_disruption": 0.165051,
      "radial_specific_contrast": 0.093222,
      "radial_continuity": 0.333333,
      "control_continuity": 0.666667
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.268873,
        "mean_confidence_delta_matched": -0.063131,
        "mean_matched_iou": 0.956115,
        "mean_centroid_drift_fraction_diagonal": 0.009446,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.268872,
            "confidence_delta": -0.063131,
            "disruption_including_miss": 0.063131,
            "match_iou": 0.956115,
            "centroid_drift_fraction_diagonal": 0.009446
          }
        ]
      },
      "radial_disruption": 0.358497,
      "control_disruption": 0.268873,
      "radial_specific_contrast": 0.089624,
      "radial_continuity": 0.0,
      "control_continuity": 0.333333
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.137717,
        "mean_confidence_delta_matched": -0.027017,
        "mean_matched_iou": 0.966062,
        "mean_centroid_drift_fraction_diagonal": 0.008286,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": true,
            "variant_confidence": 0.33208,
            "confidence_delta": -0.05229,
            "disruption_including_miss": 0.05229,
            "match_iou": 0.966062,
            "centroid_drift_fraction_diagonal": 0.008286
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": true,
            "variant_confidence": 0.330259,
            "confidence_delta": -0.001744,
            "disruption_including_miss": 0.001744,
            "match_iou": 0.966062,
            "centroid_drift_fraction_diagonal": 0.008286
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "radial_disruption": 0.137717,
      "control_disruption": 0.358497,
      "radial_specific_contrast": -0.22078,
      "radial_continuity": 0.666667,
      "control_continuity": 0.0
    },
    {
      "detector": "yolov10n",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 3,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "control": {
        "baseline_target_count": 3,
        "variant_target_count": 2,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.358497,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "truck",
            "baseline_confidence": 0.38437,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.38437,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.359117,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.359117,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.332003,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.332003,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "radial_disruption": 0.358497,
      "control_disruption": 0.358497,
      "radial_specific_contrast": 0.0,
      "radial_continuity": 0.0,
      "control_continuity": 0.0
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "yolov10n",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      },
      "control": {
        "baseline_target_count": 0,
        "variant_target_count": 0,
        "matched_count": 0,
        "association_continuity_rate": null,
        "mean_disruption_including_misses": null,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": []
      }
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000564,
        "mean_confidence_delta_matched": -0.000564,
        "mean_matched_iou": 0.965734,
        "mean_centroid_drift_fraction_diagonal": 0.003451,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99897,
            "confidence_delta": 0.000123,
            "disruption_including_miss": -0.000123,
            "match_iou": 0.939953,
            "centroid_drift_fraction_diagonal": 0.00076
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999461,
            "confidence_delta": -2.4e-05,
            "disruption_including_miss": 2.4e-05,
            "match_iou": 0.971134,
            "centroid_drift_fraction_diagonal": 0.002256
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.98521,
            "confidence_delta": -0.002331,
            "disruption_including_miss": 0.002331,
            "match_iou": 0.991338,
            "centroid_drift_fraction_diagonal": 0.000989
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999751,
            "confidence_delta": 4.3e-05,
            "disruption_including_miss": -4.3e-05,
            "match_iou": 0.986894,
            "centroid_drift_fraction_diagonal": 0.000834
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.99875,
            "confidence_delta": -0.000633,
            "disruption_including_miss": 0.000633,
            "match_iou": 0.93935,
            "centroid_drift_fraction_diagonal": 0.012418
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000511,
        "mean_confidence_delta_matched": -0.000511,
        "mean_matched_iou": 0.972827,
        "mean_centroid_drift_fraction_diagonal": 0.003238,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99882,
            "confidence_delta": -2.7e-05,
            "disruption_including_miss": 2.7e-05,
            "match_iou": 0.952497,
            "centroid_drift_fraction_diagonal": 0.001035
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999442,
            "confidence_delta": -4.3e-05,
            "disruption_including_miss": 4.3e-05,
            "match_iou": 0.978721,
            "centroid_drift_fraction_diagonal": 0.002907
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985066,
            "confidence_delta": -0.002475,
            "disruption_including_miss": 0.002475,
            "match_iou": 0.986487,
            "centroid_drift_fraction_diagonal": 0.000657
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999727,
            "confidence_delta": 1.9e-05,
            "disruption_including_miss": -1.9e-05,
            "match_iou": 0.988778,
            "centroid_drift_fraction_diagonal": 0.000922
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999355,
            "confidence_delta": -2.8e-05,
            "disruption_including_miss": 2.8e-05,
            "match_iou": 0.957651,
            "centroid_drift_fraction_diagonal": 0.010667
          }
        ]
      },
      "radial_disruption": 0.000564,
      "control_disruption": 0.000511,
      "radial_specific_contrast": 5.3e-05,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.048591,
        "mean_confidence_delta_matched": -0.048591,
        "mean_matched_iou": 0.972189,
        "mean_centroid_drift_fraction_diagonal": 0.002732,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999013,
            "confidence_delta": 0.000166,
            "disruption_including_miss": -0.000166,
            "match_iou": 0.947202,
            "centroid_drift_fraction_diagonal": 0.000358
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999559,
            "confidence_delta": 7.4e-05,
            "disruption_including_miss": -7.4e-05,
            "match_iou": 0.98712,
            "centroid_drift_fraction_diagonal": 0.000971
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987769,
            "confidence_delta": 0.000228,
            "disruption_including_miss": -0.000228,
            "match_iou": 0.991502,
            "centroid_drift_fraction_diagonal": 0.000626
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999794,
            "confidence_delta": 8.6e-05,
            "disruption_including_miss": -8.6e-05,
            "match_iou": 0.987296,
            "centroid_drift_fraction_diagonal": 0.000602
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.755872,
            "confidence_delta": -0.243511,
            "disruption_including_miss": 0.243511,
            "match_iou": 0.947826,
            "centroid_drift_fraction_diagonal": 0.011101
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000276,
        "mean_confidence_delta_matched": -0.000276,
        "mean_matched_iou": 0.972274,
        "mean_centroid_drift_fraction_diagonal": 0.002763,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999093,
            "confidence_delta": 0.000246,
            "disruption_including_miss": -0.000246,
            "match_iou": 0.928727,
            "centroid_drift_fraction_diagonal": 0.001363
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999396,
            "confidence_delta": -8.9e-05,
            "disruption_including_miss": 8.9e-05,
            "match_iou": 0.990318,
            "centroid_drift_fraction_diagonal": 0.001635
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986326,
            "confidence_delta": -0.001215,
            "disruption_including_miss": 0.001215,
            "match_iou": 0.988499,
            "centroid_drift_fraction_diagonal": 0.001054
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999716,
            "confidence_delta": 8e-06,
            "disruption_including_miss": -8e-06,
            "match_iou": 0.984497,
            "centroid_drift_fraction_diagonal": 0.00081
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999055,
            "confidence_delta": -0.000328,
            "disruption_including_miss": 0.000328,
            "match_iou": 0.96933,
            "centroid_drift_fraction_diagonal": 0.008952
          }
        ]
      },
      "radial_disruption": 0.048591,
      "control_disruption": 0.000276,
      "radial_specific_contrast": 0.048315,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 4,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.200026,
        "mean_confidence_delta_matched": -0.000187,
        "mean_matched_iou": 0.967518,
        "mean_centroid_drift_fraction_diagonal": 0.002009,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998782,
            "confidence_delta": -6.5e-05,
            "disruption_including_miss": 6.5e-05,
            "match_iou": 0.929741,
            "centroid_drift_fraction_diagonal": 0.00313
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999372,
            "confidence_delta": -0.000113,
            "disruption_including_miss": 0.000113,
            "match_iou": 0.983592,
            "centroid_drift_fraction_diagonal": 0.001776
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986879,
            "confidence_delta": -0.000662,
            "disruption_including_miss": 0.000662,
            "match_iou": 0.972665,
            "centroid_drift_fraction_diagonal": 0.001749
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999799,
            "confidence_delta": 9.1e-05,
            "disruption_including_miss": -9.1e-05,
            "match_iou": 0.984075,
            "centroid_drift_fraction_diagonal": 0.001381
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.999383,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "umbrella",
              "confidence": 0.99458,
              "iou": 0.972485
            }
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -6.4e-05,
        "mean_confidence_delta_matched": 6.4e-05,
        "mean_matched_iou": 0.971172,
        "mean_centroid_drift_fraction_diagonal": 0.002509,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998946,
            "confidence_delta": 9.9e-05,
            "disruption_including_miss": -9.9e-05,
            "match_iou": 0.932692,
            "centroid_drift_fraction_diagonal": 0.00352
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999589,
            "confidence_delta": 0.000104,
            "disruption_including_miss": -0.000104,
            "match_iou": 0.986863,
            "centroid_drift_fraction_diagonal": 0.000546
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988181,
            "confidence_delta": 0.00064,
            "disruption_including_miss": -0.00064,
            "match_iou": 0.994037,
            "centroid_drift_fraction_diagonal": 0.000533
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999749,
            "confidence_delta": 4.1e-05,
            "disruption_including_miss": -4.1e-05,
            "match_iou": 0.979445,
            "centroid_drift_fraction_diagonal": 0.000379
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998819,
            "confidence_delta": -0.000564,
            "disruption_including_miss": 0.000564,
            "match_iou": 0.962821,
            "centroid_drift_fraction_diagonal": 0.007568
          }
        ]
      },
      "radial_disruption": 0.200026,
      "control_disruption": -6.4e-05,
      "radial_specific_contrast": 0.20009,
      "radial_continuity": 0.8,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000511,
        "mean_confidence_delta_matched": -0.000511,
        "mean_matched_iou": 0.969105,
        "mean_centroid_drift_fraction_diagonal": 0.002986,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998921,
            "confidence_delta": 7.4e-05,
            "disruption_including_miss": -7.4e-05,
            "match_iou": 0.949821,
            "centroid_drift_fraction_diagonal": 0.000702
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999387,
            "confidence_delta": -9.8e-05,
            "disruption_including_miss": 9.8e-05,
            "match_iou": 0.994121,
            "centroid_drift_fraction_diagonal": 0.000452
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988672,
            "confidence_delta": 0.001131,
            "disruption_including_miss": -0.001131,
            "match_iou": 0.97383,
            "centroid_drift_fraction_diagonal": 0.000885
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999765,
            "confidence_delta": 5.7e-05,
            "disruption_including_miss": -5.7e-05,
            "match_iou": 0.987863,
            "centroid_drift_fraction_diagonal": 0.000645
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.995665,
            "confidence_delta": -0.003718,
            "disruption_including_miss": 0.003718,
            "match_iou": 0.939888,
            "centroid_drift_fraction_diagonal": 0.012246
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 8.5e-05,
        "mean_confidence_delta_matched": -8.5e-05,
        "mean_matched_iou": 0.972973,
        "mean_centroid_drift_fraction_diagonal": 0.002095,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998862,
            "confidence_delta": 1.5e-05,
            "disruption_including_miss": -1.5e-05,
            "match_iou": 0.939069,
            "centroid_drift_fraction_diagonal": 0.000946
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999527,
            "confidence_delta": 4.2e-05,
            "disruption_including_miss": -4.2e-05,
            "match_iou": 0.979493,
            "centroid_drift_fraction_diagonal": 0.001604
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987223,
            "confidence_delta": -0.000318,
            "disruption_including_miss": 0.000318,
            "match_iou": 0.98859,
            "centroid_drift_fraction_diagonal": 0.000218
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999726,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.991384,
            "centroid_drift_fraction_diagonal": 0.000607
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999202,
            "confidence_delta": -0.000181,
            "disruption_including_miss": 0.000181,
            "match_iou": 0.96633,
            "centroid_drift_fraction_diagonal": 0.007101
          }
        ]
      },
      "radial_disruption": 0.000511,
      "control_disruption": 8.5e-05,
      "radial_specific_contrast": 0.000426,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.07199,
        "mean_confidence_delta_matched": -0.07199,
        "mean_matched_iou": 0.96818,
        "mean_centroid_drift_fraction_diagonal": 0.00351,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999055,
            "confidence_delta": 0.000208,
            "disruption_including_miss": -0.000208,
            "match_iou": 0.951957,
            "centroid_drift_fraction_diagonal": 0.001911
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999123,
            "confidence_delta": -0.000362,
            "disruption_including_miss": 0.000362,
            "match_iou": 0.98269,
            "centroid_drift_fraction_diagonal": 0.002852
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.988136,
            "confidence_delta": 0.000595,
            "disruption_including_miss": -0.000595,
            "match_iou": 0.982914,
            "centroid_drift_fraction_diagonal": 0.000326
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999726,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.974631,
            "centroid_drift_fraction_diagonal": 0.000893
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.638974,
            "confidence_delta": -0.360409,
            "disruption_including_miss": 0.360409,
            "match_iou": 0.948706,
            "centroid_drift_fraction_diagonal": 0.011569
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000499,
        "mean_confidence_delta_matched": -0.000499,
        "mean_matched_iou": 0.975135,
        "mean_centroid_drift_fraction_diagonal": 0.002706,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.99887,
            "confidence_delta": 2.3e-05,
            "disruption_including_miss": -2.3e-05,
            "match_iou": 0.95946,
            "centroid_drift_fraction_diagonal": 0.000297
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999373,
            "confidence_delta": -0.000112,
            "disruption_including_miss": 0.000112,
            "match_iou": 0.98718,
            "centroid_drift_fraction_diagonal": 0.002326
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985301,
            "confidence_delta": -0.00224,
            "disruption_including_miss": 0.00224,
            "match_iou": 0.99344,
            "centroid_drift_fraction_diagonal": 0.000223
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999754,
            "confidence_delta": 4.6e-05,
            "disruption_including_miss": -4.6e-05,
            "match_iou": 0.980863,
            "centroid_drift_fraction_diagonal": 0.001228
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999171,
            "confidence_delta": -0.000212,
            "disruption_including_miss": 0.000212,
            "match_iou": 0.954733,
            "centroid_drift_fraction_diagonal": 0.009455
          }
        ]
      },
      "radial_disruption": 0.07199,
      "control_disruption": 0.000499,
      "radial_specific_contrast": 0.071491,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000202,
        "mean_confidence_delta_matched": -0.000202,
        "mean_matched_iou": 0.978072,
        "mean_centroid_drift_fraction_diagonal": 0.002773,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998976,
            "confidence_delta": 0.000129,
            "disruption_including_miss": -0.000129,
            "match_iou": 0.976424,
            "centroid_drift_fraction_diagonal": 0.001237
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999458,
            "confidence_delta": -2.7e-05,
            "disruption_including_miss": 2.7e-05,
            "match_iou": 0.990301,
            "centroid_drift_fraction_diagonal": 0.000812
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987473,
            "confidence_delta": -6.8e-05,
            "disruption_including_miss": 6.8e-05,
            "match_iou": 0.985163,
            "centroid_drift_fraction_diagonal": 0.000958
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999742,
            "confidence_delta": 3.4e-05,
            "disruption_including_miss": -3.4e-05,
            "match_iou": 0.979714,
            "centroid_drift_fraction_diagonal": 0.000682
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998307,
            "confidence_delta": -0.001076,
            "disruption_including_miss": 0.001076,
            "match_iou": 0.958757,
            "centroid_drift_fraction_diagonal": 0.010177
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000302,
        "mean_confidence_delta_matched": -0.000302,
        "mean_matched_iou": 0.976323,
        "mean_centroid_drift_fraction_diagonal": 0.001818,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998915,
            "confidence_delta": 6.8e-05,
            "disruption_including_miss": -6.8e-05,
            "match_iou": 0.942531,
            "centroid_drift_fraction_diagonal": 0.002241
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.99951,
            "confidence_delta": 2.5e-05,
            "disruption_including_miss": -2.5e-05,
            "match_iou": 0.991194,
            "centroid_drift_fraction_diagonal": 0.000765
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.986214,
            "confidence_delta": -0.001327,
            "disruption_including_miss": 0.001327,
            "match_iou": 0.987952,
            "centroid_drift_fraction_diagonal": 0.000435
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999743,
            "confidence_delta": 3.5e-05,
            "disruption_including_miss": -3.5e-05,
            "match_iou": 0.982589,
            "centroid_drift_fraction_diagonal": 0.001155
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.999073,
            "confidence_delta": -0.00031,
            "disruption_including_miss": 0.00031,
            "match_iou": 0.977347,
            "centroid_drift_fraction_diagonal": 0.004492
          }
        ]
      },
      "radial_disruption": 0.000202,
      "control_disruption": 0.000302,
      "radial_specific_contrast": -0.0001,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.001765,
        "mean_confidence_delta_matched": -0.001765,
        "mean_matched_iou": 0.960908,
        "mean_centroid_drift_fraction_diagonal": 0.002998,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998915,
            "confidence_delta": 6.8e-05,
            "disruption_including_miss": -6.8e-05,
            "match_iou": 0.921726,
            "centroid_drift_fraction_diagonal": 0.00096
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999535,
            "confidence_delta": 5e-05,
            "disruption_including_miss": -5e-05,
            "match_iou": 0.993436,
            "centroid_drift_fraction_diagonal": 0.000447
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.98746,
            "confidence_delta": -8.1e-05,
            "disruption_including_miss": 8.1e-05,
            "match_iou": 0.974392,
            "centroid_drift_fraction_diagonal": 0.001373
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999739,
            "confidence_delta": 3.1e-05,
            "disruption_including_miss": -3.1e-05,
            "match_iou": 0.975974,
            "centroid_drift_fraction_diagonal": 0.001371
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.990488,
            "confidence_delta": -0.008895,
            "disruption_including_miss": 0.008895,
            "match_iou": 0.93901,
            "centroid_drift_fraction_diagonal": 0.010841
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000639,
        "mean_confidence_delta_matched": -0.000639,
        "mean_matched_iou": 0.971706,
        "mean_centroid_drift_fraction_diagonal": 0.003006,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998655,
            "confidence_delta": -0.000192,
            "disruption_including_miss": 0.000192,
            "match_iou": 0.93809,
            "centroid_drift_fraction_diagonal": 0.002909
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999362,
            "confidence_delta": -0.000123,
            "disruption_including_miss": 0.000123,
            "match_iou": 0.982874,
            "centroid_drift_fraction_diagonal": 0.000701
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985054,
            "confidence_delta": -0.002487,
            "disruption_including_miss": 0.002487,
            "match_iou": 0.992322,
            "centroid_drift_fraction_diagonal": 0.000103
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999795,
            "confidence_delta": 8.7e-05,
            "disruption_including_miss": -8.7e-05,
            "match_iou": 0.984635,
            "centroid_drift_fraction_diagonal": 0.00149
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998903,
            "confidence_delta": -0.00048,
            "disruption_including_miss": 0.00048,
            "match_iou": 0.960607,
            "centroid_drift_fraction_diagonal": 0.009828
          }
        ]
      },
      "radial_disruption": 0.001765,
      "control_disruption": 0.000639,
      "radial_specific_contrast": 0.001126,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.04452,
        "mean_confidence_delta_matched": -0.04452,
        "mean_matched_iou": 0.968621,
        "mean_centroid_drift_fraction_diagonal": 0.002614,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999086,
            "confidence_delta": 0.000239,
            "disruption_including_miss": -0.000239,
            "match_iou": 0.912249,
            "centroid_drift_fraction_diagonal": 0.001234
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999351,
            "confidence_delta": -0.000134,
            "disruption_including_miss": 0.000134,
            "match_iou": 0.992868,
            "centroid_drift_fraction_diagonal": 0.000349
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987276,
            "confidence_delta": -0.000265,
            "disruption_including_miss": 0.000265,
            "match_iou": 0.988972,
            "centroid_drift_fraction_diagonal": 0.000456
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999747,
            "confidence_delta": 3.9e-05,
            "disruption_including_miss": -3.9e-05,
            "match_iou": 0.988418,
            "centroid_drift_fraction_diagonal": 0.000849
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.776903,
            "confidence_delta": -0.22248,
            "disruption_including_miss": 0.22248,
            "match_iou": 0.960596,
            "centroid_drift_fraction_diagonal": 0.010182
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 6,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000884,
        "mean_confidence_delta_matched": -0.000884,
        "mean_matched_iou": 0.966052,
        "mean_centroid_drift_fraction_diagonal": 0.003306,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998831,
            "confidence_delta": -1.6e-05,
            "disruption_including_miss": 1.6e-05,
            "match_iou": 0.943266,
            "centroid_drift_fraction_diagonal": 0.001238
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999439,
            "confidence_delta": -4.6e-05,
            "disruption_including_miss": 4.6e-05,
            "match_iou": 0.991523,
            "centroid_drift_fraction_diagonal": 0.001293
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985685,
            "confidence_delta": -0.001856,
            "disruption_including_miss": 0.001856,
            "match_iou": 0.979555,
            "centroid_drift_fraction_diagonal": 0.000482
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.99976,
            "confidence_delta": 5.2e-05,
            "disruption_including_miss": -5.2e-05,
            "match_iou": 0.979329,
            "centroid_drift_fraction_diagonal": 0.001014
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.996829,
            "confidence_delta": -0.002554,
            "disruption_including_miss": 0.002554,
            "match_iou": 0.936586,
            "centroid_drift_fraction_diagonal": 0.012501
          }
        ]
      },
      "radial_disruption": 0.04452,
      "control_disruption": 0.000884,
      "radial_specific_contrast": 0.043636,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "bus",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 5,
        "variant_target_count": 4,
        "matched_count": 4,
        "association_continuity_rate": 0.8,
        "mean_disruption_including_misses": 0.200379,
        "mean_confidence_delta_matched": -0.000628,
        "mean_matched_iou": 0.974629,
        "mean_centroid_drift_fraction_diagonal": 0.001221,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.998961,
            "confidence_delta": 0.000114,
            "disruption_including_miss": -0.000114,
            "match_iou": 0.956389,
            "centroid_drift_fraction_diagonal": 0.00192
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999302,
            "confidence_delta": -0.000183,
            "disruption_including_miss": 0.000183,
            "match_iou": 0.98362,
            "centroid_drift_fraction_diagonal": 0.001237
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.985067,
            "confidence_delta": -0.002474,
            "disruption_including_miss": 0.002474,
            "match_iou": 0.977509,
            "centroid_drift_fraction_diagonal": 0.000572
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999741,
            "confidence_delta": 3.3e-05,
            "disruption_including_miss": -3.3e-05,
            "match_iou": 0.980999,
            "centroid_drift_fraction_diagonal": 0.001157
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.999383,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "umbrella",
              "confidence": 0.950419,
              "iou": 0.962898
            }
          }
        ]
      },
      "control": {
        "baseline_target_count": 5,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.000166,
        "mean_confidence_delta_matched": -0.000166,
        "mean_matched_iou": 0.971883,
        "mean_centroid_drift_fraction_diagonal": 0.003216,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.998847,
            "matched": true,
            "variant_confidence": 0.999028,
            "confidence_delta": 0.000181,
            "disruption_including_miss": -0.000181,
            "match_iou": 0.955456,
            "centroid_drift_fraction_diagonal": 0.001766
          },
          {
            "class": "person",
            "baseline_confidence": 0.999485,
            "matched": true,
            "variant_confidence": 0.999503,
            "confidence_delta": 1.8e-05,
            "disruption_including_miss": -1.8e-05,
            "match_iou": 0.9924,
            "centroid_drift_fraction_diagonal": 0.000567
          },
          {
            "class": "person",
            "baseline_confidence": 0.987541,
            "matched": true,
            "variant_confidence": 0.987069,
            "confidence_delta": -0.000472,
            "disruption_including_miss": 0.000472,
            "match_iou": 0.986781,
            "centroid_drift_fraction_diagonal": 0.001424
          },
          {
            "class": "person",
            "baseline_confidence": 0.999708,
            "matched": true,
            "variant_confidence": 0.999767,
            "confidence_delta": 5.9e-05,
            "disruption_including_miss": -5.9e-05,
            "match_iou": 0.977056,
            "centroid_drift_fraction_diagonal": 0.000583
          },
          {
            "class": "bus",
            "baseline_confidence": 0.999383,
            "matched": true,
            "variant_confidence": 0.998767,
            "confidence_delta": -0.000616,
            "disruption_including_miss": 0.000616,
            "match_iou": 0.947722,
            "centroid_drift_fraction_diagonal": 0.011738
          }
        ]
      },
      "radial_disruption": 0.200379,
      "control_disruption": 0.000166,
      "radial_specific_contrast": 0.200213,
      "radial_continuity": 0.8,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 6.1e-05,
        "mean_confidence_delta_matched": -6.1e-05,
        "mean_matched_iou": 0.68169,
        "mean_centroid_drift_fraction_diagonal": 0.09272,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.99286,
            "confidence_delta": -0.000954,
            "disruption_including_miss": 0.000954,
            "match_iou": 0.542571,
            "centroid_drift_fraction_diagonal": 0.164067
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998348,
            "confidence_delta": 0.000833,
            "disruption_including_miss": -0.000833,
            "match_iou": 0.820809,
            "centroid_drift_fraction_diagonal": 0.021374
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -0.000736,
        "mean_confidence_delta_matched": 0.000736,
        "mean_matched_iou": 0.676304,
        "mean_centroid_drift_fraction_diagonal": 0.096523,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.993958,
            "confidence_delta": 0.000144,
            "disruption_including_miss": -0.000144,
            "match_iou": 0.539176,
            "centroid_drift_fraction_diagonal": 0.163815
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998842,
            "confidence_delta": 0.001327,
            "disruption_including_miss": -0.001327,
            "match_iou": 0.813432,
            "centroid_drift_fraction_diagonal": 0.029232
          }
        ]
      },
      "radial_disruption": 6.1e-05,
      "control_disruption": -0.000736,
      "radial_specific_contrast": 0.000797,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.007932,
        "mean_confidence_delta_matched": -0.007932,
        "mean_matched_iou": 0.665381,
        "mean_centroid_drift_fraction_diagonal": 0.096263,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.97797,
            "confidence_delta": -0.015844,
            "disruption_including_miss": 0.015844,
            "match_iou": 0.545591,
            "centroid_drift_fraction_diagonal": 0.162952
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.997496,
            "confidence_delta": -1.9e-05,
            "disruption_including_miss": 1.9e-05,
            "match_iou": 0.78517,
            "centroid_drift_fraction_diagonal": 0.029573
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.065758,
        "mean_confidence_delta_matched": -0.065758,
        "mean_matched_iou": 0.912811,
        "mean_centroid_drift_fraction_diagonal": 0.01037,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.865145,
            "confidence_delta": -0.128669,
            "disruption_including_miss": 0.128669,
            "match_iou": 0.990682,
            "centroid_drift_fraction_diagonal": 0.000266
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.994667,
            "confidence_delta": -0.002848,
            "disruption_including_miss": 0.002848,
            "match_iou": 0.83494,
            "centroid_drift_fraction_diagonal": 0.020473
          }
        ]
      },
      "radial_disruption": 0.007932,
      "control_disruption": 0.065758,
      "radial_specific_contrast": -0.057826,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.011609,
        "mean_confidence_delta_matched": -0.011609,
        "mean_matched_iou": 0.646047,
        "mean_centroid_drift_fraction_diagonal": 0.101847,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.981866,
            "confidence_delta": -0.011948,
            "disruption_including_miss": 0.011948,
            "match_iou": 0.524302,
            "centroid_drift_fraction_diagonal": 0.171551
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.986246,
            "confidence_delta": -0.011269,
            "disruption_including_miss": 0.011269,
            "match_iou": 0.767792,
            "centroid_drift_fraction_diagonal": 0.032143
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084266,
        "mean_confidence_delta_matched": -0.084266,
        "mean_matched_iou": 0.718956,
        "mean_centroid_drift_fraction_diagonal": 0.073669,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.844413,
            "confidence_delta": -0.149401,
            "disruption_including_miss": 0.149401,
            "match_iou": 0.68321,
            "centroid_drift_fraction_diagonal": 0.104637
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.978384,
            "confidence_delta": -0.019131,
            "disruption_including_miss": 0.019131,
            "match_iou": 0.754703,
            "centroid_drift_fraction_diagonal": 0.042701
          }
        ]
      },
      "radial_disruption": 0.011609,
      "control_disruption": 0.084266,
      "radial_specific_contrast": -0.072657,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.109965,
        "mean_confidence_delta_matched": -0.109965,
        "mean_matched_iou": 0.908324,
        "mean_centroid_drift_fraction_diagonal": 0.017178,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.970586,
            "confidence_delta": -0.023228,
            "disruption_including_miss": 0.023228,
            "match_iou": 0.987538,
            "centroid_drift_fraction_diagonal": 0.003292
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.800813,
            "confidence_delta": -0.196702,
            "disruption_including_miss": 0.196702,
            "match_iou": 0.829111,
            "centroid_drift_fraction_diagonal": 0.031064
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.00036,
        "mean_confidence_delta_matched": -0.00036,
        "mean_matched_iou": 0.677941,
        "mean_centroid_drift_fraction_diagonal": 0.094182,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.991934,
            "confidence_delta": -0.00188,
            "disruption_including_miss": 0.00188,
            "match_iou": 0.541908,
            "centroid_drift_fraction_diagonal": 0.158712
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.998676,
            "confidence_delta": 0.001161,
            "disruption_including_miss": -0.001161,
            "match_iou": 0.813974,
            "centroid_drift_fraction_diagonal": 0.029651
          }
        ]
      },
      "radial_disruption": 0.109965,
      "control_disruption": 0.00036,
      "radial_specific_contrast": 0.109605,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.155132,
        "mean_confidence_delta_matched": -0.155132,
        "mean_matched_iou": 0.798683,
        "mean_centroid_drift_fraction_diagonal": 0.040855,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.977683,
            "confidence_delta": -0.016131,
            "disruption_including_miss": 0.016131,
            "match_iou": 0.991055,
            "centroid_drift_fraction_diagonal": 0.001934
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.703382,
            "confidence_delta": -0.294133,
            "disruption_including_miss": 0.294133,
            "match_iou": 0.606311,
            "centroid_drift_fraction_diagonal": 0.079776
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.224003,
        "mean_confidence_delta_matched": -0.224003,
        "mean_matched_iou": 0.669316,
        "mean_centroid_drift_fraction_diagonal": 0.096905,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.54705,
            "confidence_delta": -0.446764,
            "disruption_including_miss": 0.446764,
            "match_iou": 0.539791,
            "centroid_drift_fraction_diagonal": 0.159577
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.996272,
            "confidence_delta": -0.001243,
            "disruption_including_miss": 0.001243,
            "match_iou": 0.798841,
            "centroid_drift_fraction_diagonal": 0.034232
          }
        ]
      },
      "radial_disruption": 0.155132,
      "control_disruption": 0.224003,
      "radial_specific_contrast": -0.068871,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.095544,
        "mean_confidence_delta_matched": -0.095544,
        "mean_matched_iou": 0.879583,
        "mean_centroid_drift_fraction_diagonal": 0.0233,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.8889,
            "confidence_delta": -0.104914,
            "disruption_including_miss": 0.104914,
            "match_iou": 0.984094,
            "centroid_drift_fraction_diagonal": 0.002975
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.911342,
            "confidence_delta": -0.086173,
            "disruption_including_miss": 0.086173,
            "match_iou": 0.775072,
            "centroid_drift_fraction_diagonal": 0.043624
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.241424,
        "mean_confidence_delta_matched": -0.241424,
        "mean_matched_iou": 0.733726,
        "mean_centroid_drift_fraction_diagonal": 0.071262,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.532959,
            "confidence_delta": -0.460855,
            "disruption_including_miss": 0.460855,
            "match_iou": 0.67897,
            "centroid_drift_fraction_diagonal": 0.108928
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.975523,
            "confidence_delta": -0.021992,
            "disruption_including_miss": 0.021992,
            "match_iou": 0.788481,
            "centroid_drift_fraction_diagonal": 0.033596
          }
        ]
      },
      "radial_disruption": 0.095544,
      "control_disruption": 0.241424,
      "radial_specific_contrast": -0.14588,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.099599,
        "mean_confidence_delta_matched": -0.099599,
        "mean_matched_iou": 0.906051,
        "mean_centroid_drift_fraction_diagonal": 0.011231,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.804342,
            "confidence_delta": -0.189472,
            "disruption_including_miss": 0.189472,
            "match_iou": 0.97345,
            "centroid_drift_fraction_diagonal": 0.003767
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.98779,
            "confidence_delta": -0.009725,
            "disruption_including_miss": 0.009725,
            "match_iou": 0.838652,
            "centroid_drift_fraction_diagonal": 0.018695
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": -0.000576,
        "mean_confidence_delta_matched": 0.000576,
        "mean_matched_iou": 0.634954,
        "mean_centroid_drift_fraction_diagonal": 0.107204,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.997469,
            "confidence_delta": 0.003655,
            "disruption_including_miss": -0.003655,
            "match_iou": 0.531554,
            "centroid_drift_fraction_diagonal": 0.164262
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.995013,
            "confidence_delta": -0.002502,
            "disruption_including_miss": 0.002502,
            "match_iou": 0.738354,
            "centroid_drift_fraction_diagonal": 0.050147
          }
        ]
      },
      "radial_disruption": 0.099599,
      "control_disruption": -0.000576,
      "radial_specific_contrast": 0.100175,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.081016,
        "mean_confidence_delta_matched": -0.081016,
        "mean_matched_iou": 0.896458,
        "mean_centroid_drift_fraction_diagonal": 0.014856,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.844299,
            "confidence_delta": -0.149515,
            "disruption_including_miss": 0.149515,
            "match_iou": 0.987225,
            "centroid_drift_fraction_diagonal": 0.003177
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.984999,
            "confidence_delta": -0.012516,
            "disruption_including_miss": 0.012516,
            "match_iou": 0.805691,
            "centroid_drift_fraction_diagonal": 0.026536
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.153348,
        "mean_confidence_delta_matched": -0.153348,
        "mean_matched_iou": 0.695577,
        "mean_centroid_drift_fraction_diagonal": 0.081369,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.691476,
            "confidence_delta": -0.302338,
            "disruption_including_miss": 0.302338,
            "match_iou": 0.657981,
            "centroid_drift_fraction_diagonal": 0.115214
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.993156,
            "confidence_delta": -0.004359,
            "disruption_including_miss": 0.004359,
            "match_iou": 0.733174,
            "centroid_drift_fraction_diagonal": 0.047525
          }
        ]
      },
      "radial_disruption": 0.081016,
      "control_disruption": 0.153348,
      "radial_specific_contrast": -0.072332,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "zidane",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.013616,
        "mean_confidence_delta_matched": -0.013616,
        "mean_matched_iou": 0.656097,
        "mean_centroid_drift_fraction_diagonal": 0.098058,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.967403,
            "confidence_delta": -0.026411,
            "disruption_including_miss": 0.026411,
            "match_iou": 0.531678,
            "centroid_drift_fraction_diagonal": 0.167217
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.996694,
            "confidence_delta": -0.000821,
            "disruption_including_miss": 0.000821,
            "match_iou": 0.780516,
            "centroid_drift_fraction_diagonal": 0.028899
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.103206,
        "mean_confidence_delta_matched": -0.103206,
        "mean_matched_iou": 0.65141,
        "mean_centroid_drift_fraction_diagonal": 0.08259,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.993814,
            "matched": true,
            "variant_confidence": 0.799556,
            "confidence_delta": -0.194258,
            "disruption_including_miss": 0.194258,
            "match_iou": 0.576346,
            "centroid_drift_fraction_diagonal": 0.118758
          },
          {
            "class": "person",
            "baseline_confidence": 0.997515,
            "matched": true,
            "variant_confidence": 0.98536,
            "confidence_delta": -0.012155,
            "disruption_including_miss": 0.012155,
            "match_iou": 0.726474,
            "centroid_drift_fraction_diagonal": 0.046422
          }
        ]
      },
      "radial_disruption": 0.013616,
      "control_disruption": 0.103206,
      "radial_specific_contrast": -0.08959,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.073679,
        "mean_confidence_delta_matched": -0.073679,
        "mean_matched_iou": 0.961442,
        "mean_centroid_drift_fraction_diagonal": 0.003356,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.550168,
            "confidence_delta": -0.146547,
            "disruption_including_miss": 0.146547,
            "match_iou": 0.954904,
            "centroid_drift_fraction_diagonal": 0.00336
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.995815,
            "confidence_delta": -0.00081,
            "disruption_including_miss": 0.00081,
            "match_iou": 0.96798,
            "centroid_drift_fraction_diagonal": 0.003352
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.047491,
        "mean_confidence_delta_matched": -0.047491,
        "mean_matched_iou": 0.973181,
        "mean_centroid_drift_fraction_diagonal": 0.001388,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.971968,
            "confidence_delta": 0.275253,
            "disruption_including_miss": -0.275253,
            "match_iou": 0.981148,
            "centroid_drift_fraction_diagonal": 0.001862
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.626389,
            "confidence_delta": -0.370236,
            "disruption_including_miss": 0.370236,
            "match_iou": 0.965213,
            "centroid_drift_fraction_diagonal": 0.000915
          }
        ]
      },
      "radial_disruption": 0.073679,
      "control_disruption": 0.047491,
      "radial_specific_contrast": 0.026188,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.081043,
        "mean_confidence_delta_matched": -0.081043,
        "mean_matched_iou": 0.974892,
        "mean_centroid_drift_fraction_diagonal": 0.001291,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.992508,
            "confidence_delta": 0.295793,
            "disruption_including_miss": -0.295793,
            "match_iou": 0.983277,
            "centroid_drift_fraction_diagonal": 0.001668
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.538747,
            "confidence_delta": -0.457878,
            "disruption_including_miss": 0.457878,
            "match_iou": 0.966507,
            "centroid_drift_fraction_diagonal": 0.000914
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.111622,
        "mean_confidence_delta_matched": -0.111622,
        "mean_matched_iou": 0.977877,
        "mean_centroid_drift_fraction_diagonal": 0.00201,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.584713,
            "confidence_delta": -0.112002,
            "disruption_including_miss": 0.112002,
            "match_iou": 0.978624,
            "centroid_drift_fraction_diagonal": 0.002923
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.885384,
            "confidence_delta": -0.111241,
            "disruption_including_miss": 0.111241,
            "match_iou": 0.97713,
            "centroid_drift_fraction_diagonal": 0.001096
          }
        ]
      },
      "radial_disruption": 0.081043,
      "control_disruption": 0.111622,
      "radial_specific_contrast": -0.030579,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.354206,
        "mean_confidence_delta_matched": -0.011696,
        "mean_matched_iou": 0.985984,
        "mean_centroid_drift_fraction_diagonal": 0.002438,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.984929,
            "confidence_delta": -0.011696,
            "disruption_including_miss": 0.011696,
            "match_iou": 0.985984,
            "centroid_drift_fraction_diagonal": 0.002438
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.386608,
        "mean_confidence_delta_matched": -0.076502,
        "mean_matched_iou": 0.976522,
        "mean_centroid_drift_fraction_diagonal": 0.002761,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.920123,
            "confidence_delta": -0.076502,
            "disruption_including_miss": 0.076502,
            "match_iou": 0.976522,
            "centroid_drift_fraction_diagonal": 0.002761
          }
        ]
      },
      "radial_disruption": 0.354206,
      "control_disruption": 0.386608,
      "radial_specific_contrast": -0.032402,
      "radial_continuity": 0.5,
      "control_continuity": 0.5
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.096244,
        "mean_confidence_delta_matched": -0.096244,
        "mean_matched_iou": 0.991214,
        "mean_centroid_drift_fraction_diagonal": 0.001249,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.506655,
            "confidence_delta": -0.19006,
            "disruption_including_miss": 0.19006,
            "match_iou": 0.989012,
            "centroid_drift_fraction_diagonal": 0.001984
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.994197,
            "confidence_delta": -0.002428,
            "disruption_including_miss": 0.002428,
            "match_iou": 0.993417,
            "centroid_drift_fraction_diagonal": 0.000514
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.075693,
        "mean_confidence_delta_matched": -0.075693,
        "mean_matched_iou": 0.987188,
        "mean_centroid_drift_fraction_diagonal": 0.001385,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.984192,
            "confidence_delta": 0.287477,
            "disruption_including_miss": -0.287477,
            "match_iou": 0.982227,
            "centroid_drift_fraction_diagonal": 0.002526
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.557762,
            "confidence_delta": -0.438863,
            "disruption_including_miss": 0.438863,
            "match_iou": 0.992149,
            "centroid_drift_fraction_diagonal": 0.000244
          }
        ]
      },
      "radial_disruption": 0.096244,
      "control_disruption": 0.075693,
      "radial_specific_contrast": 0.020551,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.579863,
        "mean_confidence_delta_matched": -0.463012,
        "mean_matched_iou": 0.986198,
        "mean_centroid_drift_fraction_diagonal": 0.002135,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.533613,
            "confidence_delta": -0.463012,
            "disruption_including_miss": 0.463012,
            "match_iou": 0.986198,
            "centroid_drift_fraction_diagonal": 0.002135
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.403193,
        "mean_confidence_delta_matched": -0.10967,
        "mean_matched_iou": 0.965299,
        "mean_centroid_drift_fraction_diagonal": 0.003573,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.886955,
            "confidence_delta": -0.10967,
            "disruption_including_miss": 0.10967,
            "match_iou": 0.965299,
            "centroid_drift_fraction_diagonal": 0.003573
          }
        ]
      },
      "radial_disruption": 0.579863,
      "control_disruption": 0.403193,
      "radial_specific_contrast": 0.17667,
      "radial_continuity": 0.5,
      "control_continuity": 0.5
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 3,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.101388,
        "mean_confidence_delta_matched": -0.101388,
        "mean_matched_iou": 0.952821,
        "mean_centroid_drift_fraction_diagonal": 0.001805,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.961503,
            "confidence_delta": 0.264788,
            "disruption_including_miss": -0.264788,
            "match_iou": 0.961134,
            "centroid_drift_fraction_diagonal": 0.001786
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.529061,
            "confidence_delta": -0.467564,
            "disruption_including_miss": 0.467564,
            "match_iou": 0.944507,
            "centroid_drift_fraction_diagonal": 0.001823
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.353455,
        "mean_confidence_delta_matched": -0.010196,
        "mean_matched_iou": 0.979066,
        "mean_centroid_drift_fraction_diagonal": 0.000768,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.986429,
            "confidence_delta": -0.010196,
            "disruption_including_miss": 0.010196,
            "match_iou": 0.979066,
            "centroid_drift_fraction_diagonal": 0.000768
          }
        ]
      },
      "radial_disruption": 0.101388,
      "control_disruption": 0.353455,
      "radial_specific_contrast": -0.252067,
      "radial_continuity": 1.0,
      "control_continuity": 0.5
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.084839,
        "mean_confidence_delta_matched": -0.084839,
        "mean_matched_iou": 0.90092,
        "mean_centroid_drift_fraction_diagonal": 0.017317,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.97833,
            "confidence_delta": 0.281615,
            "disruption_including_miss": -0.281615,
            "match_iou": 0.960275,
            "centroid_drift_fraction_diagonal": 0.003365
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.545333,
            "confidence_delta": -0.451292,
            "disruption_including_miss": 0.451292,
            "match_iou": 0.841565,
            "centroid_drift_fraction_diagonal": 0.03127
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.349267,
        "mean_confidence_delta_matched": 0.29809,
        "mean_matched_iou": 0.954107,
        "mean_centroid_drift_fraction_diagonal": 0.005212,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.994805,
            "confidence_delta": 0.29809,
            "disruption_including_miss": -0.29809,
            "match_iou": 0.954107,
            "centroid_drift_fraction_diagonal": 0.005212
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.996625,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "radial_disruption": 0.084839,
      "control_disruption": 0.349267,
      "radial_specific_contrast": -0.264428,
      "radial_continuity": 1.0,
      "control_continuity": 0.5
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 1,
        "matched_count": 0,
        "association_continuity_rate": 0.0,
        "mean_disruption_including_misses": 0.84667,
        "mean_confidence_delta_matched": null,
        "mean_matched_iou": null,
        "mean_centroid_drift_fraction_diagonal": null,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.996625,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "motorcycle",
              "confidence": 0.58851,
              "iou": 0.986089
            }
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 1,
        "association_continuity_rate": 0.5,
        "mean_disruption_including_misses": 0.419036,
        "mean_confidence_delta_matched": -0.141357,
        "mean_matched_iou": 0.824468,
        "mean_centroid_drift_fraction_diagonal": 0.028729,
        "new_unmatched_target_count": 1,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.696715,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.855268,
            "confidence_delta": -0.141357,
            "disruption_including_miss": 0.141357,
            "match_iou": 0.824468,
            "centroid_drift_fraction_diagonal": 0.028729
          }
        ]
      },
      "radial_disruption": 0.84667,
      "control_disruption": 0.419036,
      "radial_specific_contrast": 0.427634,
      "radial_continuity": 0.0,
      "control_continuity": 0.5
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-vehicle",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 2,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.122028,
        "mean_confidence_delta_matched": -0.122028,
        "mean_matched_iou": 0.902695,
        "mean_centroid_drift_fraction_diagonal": 0.018044,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.508027,
            "confidence_delta": -0.188688,
            "disruption_including_miss": 0.188688,
            "match_iou": 0.828035,
            "centroid_drift_fraction_diagonal": 0.033816
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.941257,
            "confidence_delta": -0.055368,
            "disruption_including_miss": 0.055368,
            "match_iou": 0.977355,
            "centroid_drift_fraction_diagonal": 0.002271
          }
        ]
      },
      "control": {
        "baseline_target_count": 2,
        "variant_target_count": 4,
        "matched_count": 2,
        "association_continuity_rate": 1.0,
        "mean_disruption_including_misses": 0.2279,
        "mean_confidence_delta_matched": -0.2279,
        "mean_matched_iou": 0.818086,
        "mean_centroid_drift_fraction_diagonal": 0.02703,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "car",
            "baseline_confidence": 0.696715,
            "matched": true,
            "variant_confidence": 0.676417,
            "confidence_delta": -0.020298,
            "disruption_including_miss": 0.020298,
            "match_iou": 0.82109,
            "centroid_drift_fraction_diagonal": 0.027289
          },
          {
            "class": "car",
            "baseline_confidence": 0.996625,
            "matched": true,
            "variant_confidence": 0.561124,
            "confidence_delta": -0.435501,
            "disruption_including_miss": 0.435501,
            "match_iou": 0.815082,
            "centroid_drift_fraction_diagonal": 0.026772
          }
        ]
      },
      "radial_disruption": 0.122028,
      "control_disruption": 0.2279,
      "radial_specific_contrast": -0.105872,
      "radial_continuity": 1.0,
      "control_continuity": 1.0
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--micro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 15,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.242838,
        "mean_confidence_delta_matched": -0.045284,
        "mean_matched_iou": 0.686253,
        "mean_centroid_drift_fraction_diagonal": 0.065885,
        "new_unmatched_target_count": 9,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.568777,
            "confidence_delta": -0.321231,
            "disruption_including_miss": 0.321231,
            "match_iou": 0.678604,
            "centroid_drift_fraction_diagonal": 0.038103
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.934514,
            "confidence_delta": 0.189333,
            "disruption_including_miss": -0.189333,
            "match_iou": 0.782407,
            "centroid_drift_fraction_diagonal": 0.017009
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.63679,
            "confidence_delta": 0.107272,
            "disruption_including_miss": -0.107272,
            "match_iou": 0.74974,
            "centroid_drift_fraction_diagonal": 0.00505
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.566485,
            "confidence_delta": -0.264779,
            "disruption_including_miss": 0.264779,
            "match_iou": 0.871971,
            "centroid_drift_fraction_diagonal": 0.010571
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.525418,
            "confidence_delta": -0.343597,
            "disruption_including_miss": 0.343597,
            "match_iou": 0.514652,
            "centroid_drift_fraction_diagonal": 0.164065
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.8679,
            "confidence_delta": 0.361298,
            "disruption_including_miss": -0.361298,
            "match_iou": 0.520147,
            "centroid_drift_fraction_diagonal": 0.160513
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 15,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.191122,
        "mean_confidence_delta_matched": 0.020638,
        "mean_matched_iou": 0.840887,
        "mean_centroid_drift_fraction_diagonal": 0.024877,
        "new_unmatched_target_count": 9,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.84286,
            "confidence_delta": -0.047148,
            "disruption_including_miss": 0.047148,
            "match_iou": 0.875383,
            "centroid_drift_fraction_diagonal": 0.00904
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.9384,
            "confidence_delta": 0.193219,
            "disruption_including_miss": -0.193219,
            "match_iou": 0.810358,
            "centroid_drift_fraction_diagonal": 0.013123
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.731963,
            "confidence_delta": 0.202445,
            "disruption_including_miss": -0.202445,
            "match_iou": 0.915718,
            "centroid_drift_fraction_diagonal": 0.004823
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.645761,
            "confidence_delta": -0.223254,
            "disruption_including_miss": 0.223254,
            "match_iou": 0.928864,
            "centroid_drift_fraction_diagonal": 0.009666
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.775771,
            "confidence_delta": -0.125404,
            "disruption_including_miss": 0.125404,
            "match_iou": 0.902827,
            "centroid_drift_fraction_diagonal": 0.011718
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.630574,
            "confidence_delta": 0.123972,
            "disruption_including_miss": -0.123972,
            "match_iou": 0.612173,
            "centroid_drift_fraction_diagonal": 0.100893
          }
        ]
      },
      "radial_disruption": 0.242838,
      "control_disruption": 0.191122,
      "radial_specific_contrast": 0.051716,
      "radial_continuity": 0.666667,
      "control_continuity": 0.666667
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--standard",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 4,
        "association_continuity_rate": 0.444444,
        "mean_disruption_including_misses": 0.438553,
        "mean_confidence_delta_matched": -0.158651,
        "mean_matched_iou": 0.856488,
        "mean_centroid_drift_fraction_diagonal": 0.030043,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.582441,
            "confidence_delta": -0.307567,
            "disruption_including_miss": 0.307567,
            "match_iou": 0.952201,
            "centroid_drift_fraction_diagonal": 0.013091
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.626406,
            "confidence_delta": -0.118775,
            "disruption_including_miss": 0.118775,
            "match_iou": 0.907708,
            "centroid_drift_fraction_diagonal": 0.011165
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.597535,
            "confidence_delta": -0.233729,
            "disruption_including_miss": 0.233729,
            "match_iou": 0.857884,
            "centroid_drift_fraction_diagonal": 0.030016
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.532068,
            "confidence_delta": 0.025466,
            "disruption_including_miss": -0.025466,
            "match_iou": 0.708161,
            "centroid_drift_fraction_diagonal": 0.065899
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 7,
        "association_continuity_rate": 0.777778,
        "mean_disruption_including_misses": 0.137914,
        "mean_confidence_delta_matched": -0.032651,
        "mean_matched_iou": 0.760786,
        "mean_centroid_drift_fraction_diagonal": 0.038885,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.624515,
            "confidence_delta": -0.265493,
            "disruption_including_miss": 0.265493,
            "match_iou": 0.658267,
            "centroid_drift_fraction_diagonal": 0.037744
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.955593,
            "confidence_delta": 0.210412,
            "disruption_including_miss": -0.210412,
            "match_iou": 0.825867,
            "centroid_drift_fraction_diagonal": 0.011651
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.802228,
            "confidence_delta": 0.27271,
            "disruption_including_miss": -0.27271,
            "match_iou": 0.561965,
            "centroid_drift_fraction_diagonal": 0.017164
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.543823,
            "confidence_delta": -0.287441,
            "disruption_including_miss": 0.287441,
            "match_iou": 0.824422,
            "centroid_drift_fraction_diagonal": 0.035108
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.674605,
            "confidence_delta": -0.19441,
            "disruption_including_miss": 0.19441,
            "match_iou": 0.981008,
            "centroid_drift_fraction_diagonal": 0.001271
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.760744,
            "confidence_delta": -0.140431,
            "disruption_including_miss": 0.140431,
            "match_iou": 0.921571,
            "centroid_drift_fraction_diagonal": 0.009629
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.6827,
            "confidence_delta": 0.176098,
            "disruption_including_miss": -0.176098,
            "match_iou": 0.552401,
            "centroid_drift_fraction_diagonal": 0.15963
          }
        ]
      },
      "radial_disruption": 0.438553,
      "control_disruption": 0.137914,
      "radial_specific_contrast": 0.300639,
      "radial_continuity": 0.444444,
      "control_continuity": 0.777778
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "lattice-bloom-rc-07--macro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 3,
        "matched_count": 1,
        "association_continuity_rate": 0.111111,
        "mean_disruption_including_misses": 0.588568,
        "mean_confidence_delta_matched": 0.481716,
        "mean_matched_iou": 0.512139,
        "mean_centroid_drift_fraction_diagonal": 0.160741,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.988318,
            "confidence_delta": 0.481716,
            "disruption_including_miss": -0.481716,
            "match_iou": 0.512139,
            "centroid_drift_fraction_diagonal": 0.160741
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 10,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.199737,
        "mean_confidence_delta_matched": 0.007716,
        "mean_matched_iou": 0.628136,
        "mean_centroid_drift_fraction_diagonal": 0.066519,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.860945,
            "confidence_delta": -0.029063,
            "disruption_including_miss": 0.029063,
            "match_iou": 0.622282,
            "centroid_drift_fraction_diagonal": 0.043208
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.93543,
            "confidence_delta": 0.190249,
            "disruption_including_miss": -0.190249,
            "match_iou": 0.798655,
            "centroid_drift_fraction_diagonal": 0.015021
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.708463,
            "confidence_delta": 0.178945,
            "disruption_including_miss": -0.178945,
            "match_iou": 0.726378,
            "centroid_drift_fraction_diagonal": 0.009535
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.520375,
            "confidence_delta": -0.34864,
            "disruption_including_miss": 0.34864,
            "match_iou": 0.549432,
            "centroid_drift_fraction_diagonal": 0.111375
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.907666,
            "confidence_delta": 0.006491,
            "disruption_including_miss": -0.006491,
            "match_iou": 0.516956,
            "centroid_drift_fraction_diagonal": 0.064072
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.554919,
            "confidence_delta": 0.048317,
            "disruption_including_miss": -0.048317,
            "match_iou": 0.555114,
            "centroid_drift_fraction_diagonal": 0.155903
          }
        ]
      },
      "radial_disruption": 0.588568,
      "control_disruption": 0.199737,
      "radial_specific_contrast": 0.388831,
      "radial_continuity": 0.111111,
      "control_continuity": 0.666667
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--micro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 1,
        "matched_count": 1,
        "association_continuity_rate": 0.111111,
        "mean_disruption_including_misses": 0.598293,
        "mean_confidence_delta_matched": 0.031777,
        "mean_matched_iou": 0.510612,
        "mean_centroid_drift_fraction_diagonal": 0.164397,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.900792,
            "confidence_delta": 0.031777,
            "disruption_including_miss": -0.031777,
            "match_iou": 0.510612,
            "centroid_drift_fraction_diagonal": 0.164397
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 20,
        "matched_count": 8,
        "association_continuity_rate": 0.888889,
        "mean_disruption_including_misses": 0.073259,
        "mean_confidence_delta_matched": 0.021492,
        "mean_matched_iou": 0.82821,
        "mean_centroid_drift_fraction_diagonal": 0.030808,
        "new_unmatched_target_count": 12,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.967743,
            "confidence_delta": 0.077735,
            "disruption_including_miss": -0.077735,
            "match_iou": 0.86452,
            "centroid_drift_fraction_diagonal": 0.010039
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.689355,
            "confidence_delta": -0.055826,
            "disruption_including_miss": 0.055826,
            "match_iou": 0.924857,
            "centroid_drift_fraction_diagonal": 0.006296
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.681224,
            "confidence_delta": 0.151706,
            "disruption_including_miss": -0.151706,
            "match_iou": 0.821498,
            "centroid_drift_fraction_diagonal": 0.00557
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": true,
            "variant_confidence": 0.593825,
            "confidence_delta": 0.084051,
            "disruption_including_miss": -0.084051,
            "match_iou": 0.905779,
            "centroid_drift_fraction_diagonal": 0.005402
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": true,
            "variant_confidence": 0.652847,
            "confidence_delta": 0.149954,
            "disruption_including_miss": -0.149954,
            "match_iou": 0.65274,
            "centroid_drift_fraction_diagonal": 0.043274
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.532129,
            "confidence_delta": -0.336886,
            "disruption_including_miss": 0.336886,
            "match_iou": 0.917072,
            "centroid_drift_fraction_diagonal": 0.017107
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.873749,
            "confidence_delta": -0.027426,
            "disruption_including_miss": 0.027426,
            "match_iou": 0.983267,
            "centroid_drift_fraction_diagonal": 0.00046
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.635227,
            "confidence_delta": 0.128625,
            "disruption_including_miss": -0.128625,
            "match_iou": 0.555949,
            "centroid_drift_fraction_diagonal": 0.158313
          }
        ]
      },
      "radial_disruption": 0.598293,
      "control_disruption": 0.073259,
      "radial_specific_contrast": 0.525034,
      "radial_continuity": 0.111111,
      "control_continuity": 0.888889
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--standard",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 2,
        "matched_count": 2,
        "association_continuity_rate": 0.222222,
        "mean_disruption_including_misses": 0.509272,
        "mean_confidence_delta_matched": 0.163183,
        "mean_matched_iou": 0.529999,
        "mean_centroid_drift_fraction_diagonal": 0.161469,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.890008,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.904642,
            "confidence_delta": 0.035627,
            "disruption_including_miss": -0.035627,
            "match_iou": 0.506929,
            "centroid_drift_fraction_diagonal": 0.163866
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.797341,
            "confidence_delta": 0.290739,
            "disruption_including_miss": -0.290739,
            "match_iou": 0.553069,
            "centroid_drift_fraction_diagonal": 0.159071
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.268881,
        "mean_confidence_delta_matched": -0.01388,
        "mean_matched_iou": 0.833065,
        "mean_centroid_drift_fraction_diagonal": 0.013839,
        "new_unmatched_target_count": 4,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.670811,
            "confidence_delta": -0.219197,
            "disruption_including_miss": 0.219197,
            "match_iou": 0.637332,
            "centroid_drift_fraction_diagonal": 0.040043
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.947271,
            "confidence_delta": 0.20209,
            "disruption_including_miss": -0.20209,
            "match_iou": 0.858526,
            "centroid_drift_fraction_diagonal": 0.008294
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.571658,
            "confidence_delta": 0.04214,
            "disruption_including_miss": -0.04214,
            "match_iou": 0.847957,
            "centroid_drift_fraction_diagonal": 0.006551
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.770934,
            "confidence_delta": -0.098081,
            "disruption_including_miss": 0.098081,
            "match_iou": 0.952268,
            "centroid_drift_fraction_diagonal": 0.005412
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.904825,
            "confidence_delta": 0.00365,
            "disruption_including_miss": -0.00365,
            "match_iou": 0.869241,
            "centroid_drift_fraction_diagonal": 0.008894
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "radial_disruption": 0.509272,
      "control_disruption": 0.268881,
      "radial_specific_contrast": 0.240391,
      "radial_continuity": 0.222222,
      "control_continuity": 0.555556
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "broken-halo-rc-08--macro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 5,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.290421,
        "mean_confidence_delta_matched": 0.026263,
        "mean_matched_iou": 0.674239,
        "mean_centroid_drift_fraction_diagonal": 0.078512,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.597415,
            "confidence_delta": -0.292593,
            "disruption_including_miss": 0.292593,
            "match_iou": 0.680578,
            "centroid_drift_fraction_diagonal": 0.038675
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.605621,
            "confidence_delta": -0.13956,
            "disruption_including_miss": 0.13956,
            "match_iou": 0.839566,
            "centroid_drift_fraction_diagonal": 0.014817
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.678851,
            "confidence_delta": 0.149333,
            "disruption_including_miss": -0.149333,
            "match_iou": 0.821958,
            "centroid_drift_fraction_diagonal": 0.013596
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.897937,
            "confidence_delta": 0.028922,
            "disruption_including_miss": -0.028922,
            "match_iou": 0.508777,
            "centroid_drift_fraction_diagonal": 0.164407
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.891814,
            "confidence_delta": 0.385212,
            "disruption_including_miss": -0.385212,
            "match_iou": 0.520314,
            "centroid_drift_fraction_diagonal": 0.161064
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 10,
        "matched_count": 7,
        "association_continuity_rate": 0.777778,
        "mean_disruption_including_misses": 0.159235,
        "mean_confidence_delta_matched": -0.060064,
        "mean_matched_iou": 0.745142,
        "mean_centroid_drift_fraction_diagonal": 0.045728,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.613065,
            "confidence_delta": -0.276943,
            "disruption_including_miss": 0.276943,
            "match_iou": 0.676615,
            "centroid_drift_fraction_diagonal": 0.036107
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.933009,
            "confidence_delta": 0.187828,
            "disruption_including_miss": -0.187828,
            "match_iou": 0.842525,
            "centroid_drift_fraction_diagonal": 0.01127
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.649642,
            "confidence_delta": 0.120124,
            "disruption_including_miss": -0.120124,
            "match_iou": 0.79382,
            "centroid_drift_fraction_diagonal": 0.01034
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.61122,
            "confidence_delta": -0.220044,
            "disruption_including_miss": 0.220044,
            "match_iou": 0.5663,
            "centroid_drift_fraction_diagonal": 0.084652
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.554423,
            "confidence_delta": -0.314592,
            "disruption_including_miss": 0.314592,
            "match_iou": 0.941033,
            "centroid_drift_fraction_diagonal": 0.008106
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.903933,
            "confidence_delta": 0.002758,
            "disruption_including_miss": -0.002758,
            "match_iou": 0.843085,
            "centroid_drift_fraction_diagonal": 0.010095
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.587026,
            "confidence_delta": 0.080424,
            "disruption_including_miss": -0.080424,
            "match_iou": 0.552619,
            "centroid_drift_fraction_diagonal": 0.159527
          }
        ]
      },
      "radial_disruption": 0.290421,
      "control_disruption": 0.159235,
      "radial_specific_contrast": 0.131186,
      "radial_continuity": 0.555556,
      "control_continuity": 0.777778
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--micro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 16,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.17055,
        "mean_confidence_delta_matched": -0.002613,
        "mean_matched_iou": 0.804596,
        "mean_centroid_drift_fraction_diagonal": 0.017276,
        "new_unmatched_target_count": 10,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.570351,
            "confidence_delta": -0.319657,
            "disruption_including_miss": 0.319657,
            "match_iou": 0.731426,
            "centroid_drift_fraction_diagonal": 0.030403
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.958686,
            "confidence_delta": 0.213505,
            "disruption_including_miss": -0.213505,
            "match_iou": 0.827296,
            "centroid_drift_fraction_diagonal": 0.014523
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.893706,
            "confidence_delta": 0.364188,
            "disruption_including_miss": -0.364188,
            "match_iou": 0.716107,
            "centroid_drift_fraction_diagonal": 0.011984
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": true,
            "variant_confidence": 0.710714,
            "confidence_delta": -0.12055,
            "disruption_including_miss": 0.12055,
            "match_iou": 0.848178,
            "centroid_drift_fraction_diagonal": 0.018086
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.660131,
            "confidence_delta": -0.208884,
            "disruption_including_miss": 0.208884,
            "match_iou": 0.916116,
            "centroid_drift_fraction_diagonal": 0.011694
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.956895,
            "confidence_delta": 0.05572,
            "disruption_including_miss": -0.05572,
            "match_iou": 0.788454,
            "centroid_drift_fraction_diagonal": 0.016966
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.506602,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 9,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.192998,
        "mean_confidence_delta_matched": 0.017824,
        "mean_matched_iou": 0.83248,
        "mean_centroid_drift_fraction_diagonal": 0.033706,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.961725,
            "confidence_delta": 0.071717,
            "disruption_including_miss": -0.071717,
            "match_iou": 0.898648,
            "centroid_drift_fraction_diagonal": 0.007245
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.676091,
            "confidence_delta": -0.06909,
            "disruption_including_miss": 0.06909,
            "match_iou": 0.878139,
            "centroid_drift_fraction_diagonal": 0.010051
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.728916,
            "confidence_delta": 0.199398,
            "disruption_including_miss": -0.199398,
            "match_iou": 0.834043,
            "centroid_drift_fraction_diagonal": 0.010118
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.738885,
            "confidence_delta": -0.13013,
            "disruption_including_miss": 0.13013,
            "match_iou": 0.949573,
            "centroid_drift_fraction_diagonal": 0.006507
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.84452,
            "confidence_delta": -0.056655,
            "disruption_including_miss": 0.056655,
            "match_iou": 0.88248,
            "centroid_drift_fraction_diagonal": 0.009089
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.598308,
            "confidence_delta": 0.091706,
            "disruption_including_miss": -0.091706,
            "match_iou": 0.551997,
            "centroid_drift_fraction_diagonal": 0.159228
          }
        ]
      },
      "radial_disruption": 0.17055,
      "control_disruption": 0.192998,
      "radial_specific_contrast": -0.022448,
      "radial_continuity": 0.666667,
      "control_continuity": 0.666667
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--standard",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.276998,
        "mean_confidence_delta_matched": 0.019226,
        "mean_matched_iou": 0.810729,
        "mean_centroid_drift_fraction_diagonal": 0.021233,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.885493,
            "confidence_delta": -0.004515,
            "disruption_including_miss": 0.004515,
            "match_iou": 0.794141,
            "centroid_drift_fraction_diagonal": 0.033723
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.886271,
            "confidence_delta": 0.356753,
            "disruption_including_miss": -0.356753,
            "match_iou": 0.817062,
            "centroid_drift_fraction_diagonal": 0.010361
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.554171,
            "confidence_delta": -0.314844,
            "disruption_including_miss": 0.314844,
            "match_iou": 0.734331,
            "centroid_drift_fraction_diagonal": 0.036312
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.743616,
            "confidence_delta": -0.157559,
            "disruption_including_miss": 0.157559,
            "match_iou": 0.782716,
            "centroid_drift_fraction_diagonal": 0.01514
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.722896,
            "confidence_delta": 0.216294,
            "disruption_including_miss": -0.216294,
            "match_iou": 0.925395,
            "centroid_drift_fraction_diagonal": 0.010631
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 5,
        "association_continuity_rate": 0.555556,
        "mean_disruption_including_misses": 0.289045,
        "mean_confidence_delta_matched": 0.022309,
        "mean_matched_iou": 0.754541,
        "mean_centroid_drift_fraction_diagonal": 0.046021,
        "new_unmatched_target_count": 3,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.656937,
            "confidence_delta": -0.233071,
            "disruption_including_miss": 0.233071,
            "match_iou": 0.65735,
            "centroid_drift_fraction_diagonal": 0.03979
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.896176,
            "confidence_delta": 0.150995,
            "disruption_including_miss": -0.150995,
            "match_iou": 0.829616,
            "centroid_drift_fraction_diagonal": 0.01345
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.668269,
            "confidence_delta": 0.138751,
            "disruption_including_miss": -0.138751,
            "match_iou": 0.829996,
            "centroid_drift_fraction_diagonal": 0.008267
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.869015,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.640288,
            "confidence_delta": -0.260887,
            "disruption_including_miss": 0.260887,
            "match_iou": 0.906666,
            "centroid_drift_fraction_diagonal": 0.00919
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.822359,
            "confidence_delta": 0.315757,
            "disruption_including_miss": -0.315757,
            "match_iou": 0.549076,
            "centroid_drift_fraction_diagonal": 0.159408
          }
        ]
      },
      "radial_disruption": 0.276998,
      "control_disruption": 0.289045,
      "radial_specific_contrast": -0.012047,
      "radial_continuity": 0.555556,
      "control_continuity": 0.555556
    },
    {
      "detector": "detr-resnet50-quantized",
      "scene": "reference-shirt",
      "pattern": "prism-canopy-rc-09--macro",
      "radial": {
        "baseline_target_count": 9,
        "variant_target_count": 3,
        "matched_count": 3,
        "association_continuity_rate": 0.333333,
        "mean_disruption_including_misses": 0.406397,
        "mean_confidence_delta_matched": 0.120743,
        "mean_matched_iou": 0.580441,
        "mean_centroid_drift_fraction_diagonal": 0.121063,
        "new_unmatched_target_count": 0,
        "possible_class_substitution_count": 0,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.784943,
            "confidence_delta": -0.105065,
            "disruption_including_miss": 0.105065,
            "match_iou": 0.709421,
            "centroid_drift_fraction_diagonal": 0.03789
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.745181,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.529518,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.914381,
            "confidence_delta": 0.045366,
            "disruption_including_miss": -0.045366,
            "match_iou": 0.511267,
            "centroid_drift_fraction_diagonal": 0.16418
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.901175,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.928529,
            "confidence_delta": 0.421927,
            "disruption_including_miss": -0.421927,
            "match_iou": 0.520635,
            "centroid_drift_fraction_diagonal": 0.161119
          }
        ]
      },
      "control": {
        "baseline_target_count": 9,
        "variant_target_count": 8,
        "matched_count": 6,
        "association_continuity_rate": 0.666667,
        "mean_disruption_including_misses": 0.173531,
        "mean_confidence_delta_matched": 0.047025,
        "mean_matched_iou": 0.682822,
        "mean_centroid_drift_fraction_diagonal": 0.047529,
        "new_unmatched_target_count": 2,
        "possible_class_substitution_count": 1,
        "matching_algorithm": "maximum-cardinality then maximum-total-IoU Hungarian assignment",
        "ground_truth_status": "detector pseudo-baseline only; not human annotation",
        "matches": [
          {
            "class": "person",
            "baseline_confidence": 0.890008,
            "matched": true,
            "variant_confidence": 0.810948,
            "confidence_delta": -0.07906,
            "disruption_including_miss": 0.07906,
            "match_iou": 0.630426,
            "centroid_drift_fraction_diagonal": 0.041918
          },
          {
            "class": "person",
            "baseline_confidence": 0.745181,
            "matched": true,
            "variant_confidence": 0.940703,
            "confidence_delta": 0.195522,
            "disruption_including_miss": -0.195522,
            "match_iou": 0.826665,
            "centroid_drift_fraction_diagonal": 0.012296
          },
          {
            "class": "person",
            "baseline_confidence": 0.529518,
            "matched": true,
            "variant_confidence": 0.839491,
            "confidence_delta": 0.309973,
            "disruption_including_miss": -0.309973,
            "match_iou": 0.559781,
            "centroid_drift_fraction_diagonal": 0.018824
          },
          {
            "class": "person",
            "baseline_confidence": 0.509774,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.509774,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": {
              "class": "teddy bear",
              "confidence": 0.805408,
              "iou": 0.938302
            }
          },
          {
            "class": "person",
            "baseline_confidence": 0.831264,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.831264,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.502893,
            "matched": false,
            "variant_confidence": null,
            "confidence_delta": null,
            "disruption_including_miss": 0.502893,
            "match_iou": null,
            "centroid_drift_fraction_diagonal": null,
            "possible_class_substitution": null
          },
          {
            "class": "person",
            "baseline_confidence": 0.869015,
            "matched": true,
            "variant_confidence": 0.756273,
            "confidence_delta": -0.112742,
            "disruption_including_miss": 0.112742,
            "match_iou": 0.760789,
            "centroid_drift_fraction_diagonal": 0.0332
          },
          {
            "class": "person",
            "baseline_confidence": 0.901175,
            "matched": true,
            "variant_confidence": 0.80703,
            "confidence_delta": -0.094145,
            "disruption_including_miss": 0.094145,
            "match_iou": 0.770593,
            "centroid_drift_fraction_diagonal": 0.019487
          },
          {
            "class": "person",
            "baseline_confidence": 0.506602,
            "matched": true,
            "variant_confidence": 0.569204,
            "confidence_delta": 0.062602,
            "disruption_including_miss": -0.062602,
            "match_iou": 0.548676,
            "centroid_drift_fraction_diagonal": 0.159451
          }
        ]
      },
      "radial_disruption": 0.406397,
      "control_disruption": 0.173531,
      "radial_specific_contrast": 0.232866,
      "radial_continuity": 0.333333,
      "control_continuity": 0.666667
    }
  ],
  "candidate_scale_statistics": [
    {
      "pattern": "broken-halo-rc-08--micro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.183515,
      "control_mean_disruption": 0.050515,
      "radial_specific_disruption_contrast": 0.133,
      "radial_mean_association_continuity": 0.777778,
      "control_mean_association_continuity": 0.936508,
      "radial_mean_matched_iou": 0.891986,
      "control_mean_matched_iou": 0.897122,
      "radial_mean_centroid_drift_fraction_diagonal": 0.031492,
      "control_mean_centroid_drift_fraction_diagonal": 0.024868,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.163904,
        "yolov10n": 0.091794
      },
      "cross_detector_positive_direction": true,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.060198,
          0.418154
        ],
        "control_mean_disruption": [
          0.015284,
          0.084074
        ],
        "radial_specific_disruption_contrast": [
          0.038016,
          0.338406
        ],
        "radial_mean_association_continuity": [
          0.466667,
          1.0
        ],
        "control_mean_association_continuity": [
          0.851852,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": true,
      "effect_rank": 1,
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "micro",
      "scale_factor": 0.55,
      "candidate_minus_surrogate_layout_contrast": 0.133,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "prism-canopy-rc-09--macro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.200809,
      "control_mean_disruption": 0.13486,
      "radial_specific_disruption_contrast": 0.065949,
      "radial_mean_association_continuity": 0.704762,
      "control_mean_association_continuity": 0.809524,
      "radial_mean_matched_iou": 0.792125,
      "control_mean_matched_iou": 0.815852,
      "radial_mean_centroid_drift_fraction_diagonal": 0.054025,
      "control_mean_centroid_drift_fraction_diagonal": 0.037466,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.059404,
        "yolov10n": 0.074676
      },
      "cross_detector_positive_direction": true,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.097375,
          0.327688
        ],
        "control_mean_disruption": [
          0.034066,
          0.253309
        ],
        "radial_specific_disruption_contrast": [
          -0.042207,
          0.210157
        ],
        "radial_mean_association_continuity": [
          0.444444,
          0.904762
        ],
        "control_mean_association_continuity": [
          0.555556,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 2,
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "macro",
      "scale_factor": 1.8,
      "candidate_minus_surrogate_layout_contrast": 0.065949,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "broken-halo-rc-08--standard",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.240598,
      "control_mean_disruption": 0.181743,
      "radial_specific_disruption_contrast": 0.058855,
      "radial_mean_association_continuity": 0.769841,
      "control_mean_association_continuity": 0.769841,
      "radial_mean_matched_iou": 0.87902,
      "control_mean_matched_iou": 0.896695,
      "radial_mean_centroid_drift_fraction_diagonal": 0.033888,
      "control_mean_centroid_drift_fraction_diagonal": 0.021985,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.10492,
        "yolov10n": -0.002564
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.114682,
          0.390918
        ],
        "control_mean_disruption": [
          0.049316,
          0.306013
        ],
        "radial_specific_disruption_contrast": [
          0.015324,
          0.159765
        ],
        "radial_mean_association_continuity": [
          0.462963,
          1.0
        ],
        "control_mean_association_continuity": [
          0.462963,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": true,
      "effect_rank": 3,
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "standard",
      "scale_factor": 1.0,
      "candidate_minus_surrogate_layout_contrast": 0.058855,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "lattice-bloom-rc-07--macro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.193391,
      "control_mean_disruption": 0.150286,
      "radial_specific_disruption_contrast": 0.043105,
      "radial_mean_association_continuity": 0.725397,
      "control_mean_association_continuity": 0.785714,
      "radial_mean_matched_iou": 0.82346,
      "control_mean_matched_iou": 0.860678,
      "radial_mean_centroid_drift_fraction_diagonal": 0.05141,
      "control_mean_centroid_drift_fraction_diagonal": 0.031236,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.120965,
        "yolov10n": -0.060708
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.077418,
          0.404992
        ],
        "control_mean_disruption": [
          0.036538,
          0.270773
        ],
        "radial_specific_disruption_contrast": [
          -0.081918,
          0.209803
        ],
        "radial_mean_association_continuity": [
          0.425926,
          0.95
        ],
        "control_mean_association_continuity": [
          0.5,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 4,
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "macro",
      "scale_factor": 1.8,
      "candidate_minus_surrogate_layout_contrast": 0.043105,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "broken-halo-rc-08--macro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.18329,
      "control_mean_disruption": 0.141527,
      "radial_specific_disruption_contrast": 0.041763,
      "radial_mean_association_continuity": 0.84127,
      "control_mean_association_continuity": 0.849206,
      "radial_mean_matched_iou": 0.884683,
      "control_mean_matched_iou": 0.887969,
      "radial_mean_centroid_drift_fraction_diagonal": 0.025481,
      "control_mean_centroid_drift_fraction_diagonal": 0.025176,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.066715,
        "yolov10n": 0.186401
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.072588,
          0.283602
        ],
        "control_mean_disruption": [
          0.043676,
          0.23128
        ],
        "radial_specific_disruption_contrast": [
          -0.049336,
          0.132284
        ],
        "radial_mean_association_continuity": [
          0.62963,
          1.0
        ],
        "control_mean_association_continuity": [
          0.648148,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 5,
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "macro",
      "scale_factor": 1.8,
      "candidate_minus_surrogate_layout_contrast": 0.041763,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "lattice-bloom-rc-07--micro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.10352,
      "control_mean_disruption": 0.070944,
      "radial_specific_disruption_contrast": 0.032576,
      "radial_mean_association_continuity": 0.809524,
      "control_mean_association_continuity": 0.904762,
      "radial_mean_matched_iou": 0.84624,
      "control_mean_matched_iou": 0.899599,
      "radial_mean_centroid_drift_fraction_diagonal": 0.038321,
      "control_mean_centroid_drift_fraction_diagonal": 0.023875,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.019688,
        "yolov10n": 0.049759
      },
      "cross_detector_positive_direction": true,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.012406,
          0.225005
        ],
        "control_mean_disruption": [
          0.026235,
          0.137707
        ],
        "radial_specific_disruption_contrast": [
          -0.026983,
          0.10112
        ],
        "radial_mean_association_continuity": [
          0.555556,
          1.0
        ],
        "control_mean_association_continuity": [
          0.777778,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 6,
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "micro",
      "scale_factor": 0.55,
      "candidate_minus_surrogate_layout_contrast": 0.032576,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "lattice-bloom-rc-07--standard",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.121163,
      "control_mean_disruption": 0.092778,
      "radial_specific_disruption_contrast": 0.028385,
      "radial_mean_association_continuity": 0.873016,
      "control_mean_association_continuity": 0.873016,
      "radial_mean_matched_iou": 0.885945,
      "control_mean_matched_iou": 0.918156,
      "radial_mean_centroid_drift_fraction_diagonal": 0.028688,
      "control_mean_centroid_drift_fraction_diagonal": 0.014598,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.065137,
        "yolov10n": -0.020618
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.049179,
          0.282974
        ],
        "control_mean_disruption": [
          0.02391,
          0.163186
        ],
        "radial_specific_disruption_contrast": [
          -0.047835,
          0.16987
        ],
        "radial_mean_association_continuity": [
          0.666666,
          1.0
        ],
        "control_mean_association_continuity": [
          0.703704,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 7,
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "standard",
      "scale_factor": 1.0,
      "candidate_minus_surrogate_layout_contrast": 0.028385,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "prism-canopy-rc-09--standard",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.228273,
      "control_mean_disruption": 0.212231,
      "radial_specific_disruption_contrast": 0.016042,
      "radial_mean_association_continuity": 0.746032,
      "control_mean_association_continuity": 0.722222,
      "radial_mean_matched_iou": 0.896236,
      "control_mean_matched_iou": 0.846089,
      "radial_mean_centroid_drift_fraction_diagonal": 0.017883,
      "control_mean_centroid_drift_fraction_diagonal": 0.033085,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.096723,
        "yolov10n": -0.091532
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.084132,
          0.420462
        ],
        "control_mean_disruption": [
          0.060371,
          0.355526
        ],
        "radial_specific_disruption_contrast": [
          -0.090081,
          0.095635
        ],
        "radial_mean_association_continuity": [
          0.407408,
          1.0
        ],
        "control_mean_association_continuity": [
          0.351852,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 8,
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "standard",
      "scale_factor": 1.0,
      "candidate_minus_surrogate_layout_contrast": 0.016042,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    },
    {
      "pattern": "prism-canopy-rc-09--micro",
      "planned_detector_scene_cells": 8,
      "paired_detector_scene_cells": 7,
      "excluded_cells": [
        {
          "detector": "yolov10n",
          "scene": "reference-shirt",
          "reason": "zero target detections in baseline"
        }
      ],
      "radial_mean_disruption": 0.121316,
      "control_mean_disruption": 0.176072,
      "radial_specific_disruption_contrast": -0.054756,
      "radial_mean_association_continuity": 0.809524,
      "control_mean_association_continuity": 0.785714,
      "radial_mean_matched_iou": 0.889778,
      "control_mean_matched_iou": 0.881714,
      "radial_mean_centroid_drift_fraction_diagonal": 0.017124,
      "control_mean_centroid_drift_fraction_diagonal": 0.029307,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.046394,
        "yolov10n": -0.065906
      },
      "cross_detector_positive_direction": false,
      "scene_cluster_bootstrap_ci95": {
        "radial_mean_disruption": [
          0.052267,
          0.204629
        ],
        "control_mean_disruption": [
          0.057643,
          0.281987
        ],
        "radial_specific_disruption_contrast": [
          -0.102317,
          0.00759
        ],
        "radial_mean_association_continuity": [
          0.555556,
          1.0
        ],
        "control_mean_association_continuity": [
          0.5,
          1.0
        ]
      },
      "contrast_ci_excludes_zero_positive": false,
      "effect_rank": 9,
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "micro",
      "scale_factor": 0.55,
      "candidate_minus_surrogate_layout_contrast": -0.054756,
      "metric_name_note": "The inherited radial_specific_* field name is legacy; this screen does not causally isolate radiality."
    }
  ],
  "scale_summary": [
    {
      "scale": "macro",
      "factor": 1.8,
      "candidate_count": 3,
      "mean_candidate_minus_surrogate_contrast": 0.050272,
      "legacy_metric_field": "radial_specific_disruption_contrast",
      "mean_contrast_by_detector": {
        "detr-resnet50-quantized": 0.037885,
        "yolov10n": 0.06679
      },
      "all_detector_means_positive": true
    },
    {
      "scale": "micro",
      "factor": 0.55,
      "candidate_count": 3,
      "mean_candidate_minus_surrogate_contrast": 0.03694,
      "legacy_metric_field": "radial_specific_disruption_contrast",
      "mean_contrast_by_detector": {
        "detr-resnet50-quantized": 0.045733,
        "yolov10n": 0.025216
      },
      "all_detector_means_positive": true
    },
    {
      "scale": "standard",
      "factor": 1.0,
      "candidate_count": 3,
      "mean_candidate_minus_surrogate_contrast": 0.034427,
      "legacy_metric_field": "radial_specific_disruption_contrast",
      "mean_contrast_by_detector": {
        "detr-resnet50-quantized": 0.088927,
        "yolov10n": -0.038238
      },
      "all_detector_means_positive": false
    }
  ],
  "stratum_summary": [
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "macro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.08,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.07299,
        "yolov10n": 0.23299
      }
    },
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "macro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": -0.00922,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.060441,
        "yolov10n": 0.093222
      }
    },
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "micro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.072259,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.055015,
        "yolov10n": 0.089502
      }
    },
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "micro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.213987,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.272792,
        "yolov10n": 0.096377
      }
    },
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "standard",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.039318,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.00131,
        "yolov10n": 0.077326
      }
    },
    {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "standard",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.084905,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.20853,
        "yolov10n": -0.162345
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "macro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.019071,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.063717,
        "yolov10n": -0.025575
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "macro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.075152,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.178214,
        "yolov10n": -0.130974
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "micro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": -0.018832,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.000425,
        "yolov10n": -0.03809
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "micro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.10112,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.038952,
        "yolov10n": 0.225456
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "standard",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.009207,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.004755,
        "yolov10n": 0.023169
      }
    },
    {
      "candidate": "lattice-bloom-rc-07",
      "candidate_name": "Lattice Bloom",
      "scale": "standard",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.053955,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.13503,
        "yolov10n": -0.108194
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "macro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": 0.083663,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.055311,
        "yolov10n": 0.112014
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "macro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.042331,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.063497,
        "yolov10n": 0.0
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "micro",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": -0.04651,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.05065,
        "yolov10n": -0.143671
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "micro",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": -0.065751,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.143438,
        "yolov10n": 0.089624
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "standard",
      "stratum": "neutral-public-samples",
      "eligible_detector_scene_cells": 4,
      "candidate_minus_surrogate_layout_contrast": -0.020628,
      "contrast_by_detector": {
        "detr-resnet50-quantized": -0.014348,
        "yolov10n": -0.026908
      }
    },
    {
      "candidate": "prism-canopy-rc-09",
      "candidate_name": "Prism Canopy",
      "scale": "standard",
      "stratum": "pre-patterned-supplied-references",
      "eligible_detector_scene_cells": 3,
      "candidate_minus_surrogate_layout_contrast": 0.064936,
      "contrast_by_detector": {
        "detr-resnet50-quantized": 0.207794,
        "yolov10n": -0.22078
      }
    }
  ],
  "decision": {
    "status": "EXPLORATORY_PRIORITY_ONLY",
    "strongest_point_estimate": {
      "candidate": "broken-halo-rc-08",
      "candidate_name": "Broken Halo",
      "scale": "micro",
      "candidate_minus_surrogate_layout_contrast": 0.133,
      "ci95": [
        0.038016,
        0.338406
      ],
      "cross_detector_positive_direction": true
    },
    "qualification_pass": false,
    "public_summary": "S2 is a locked exploratory digital screen. It can prioritize physical swatches; it cannot qualify real-world performance, certify AI invisibility, or justify a privacy guarantee."
  },
  "limitations": [
    "Only four scenes and two detector families were used; four scene clusters are too few for population inference.",
    "The two reference screenshots already contain patterns and are not neutral before-images.",
    "Synthetic recoloring does not reproduce cloth drape, print gamut, folds, seams, motion, weather, wash, or camera recapture.",
    "A mirrored exact-repeat transform introduces bilateral structure and does not prove that seamlessness causes any detector change.",
    "Candidate and control master pixels match exactly as multisets, but resizing, tiling, masking, and shading mean final composite histograms are not identical.",
    "The surrogate reduces block-grid confounding; it still does not isolate ornament, radiality, motif semantics, or any one visual property causally.",
    "Detector predictions are used as a pseudo-baseline rather than independent human ground truth; false positives, baseline misses, recall, precision, and AP therefore cannot be resolved.",
    "Scale comparisons are exploratory and were not powered or preregistered for a confirmatory claim.",
    "No identity, face, biometric, tracking, segmentation, pose, infrared, thermal, RF, or safety-critical system was tested.",
    "No candidate is certified, validated for real-world use, or guaranteed to alter a new model or camera."
  ]
}