{
  "verifiedOn": "2026-09-27",
  "experimentDate": "2026-09-24",
  "method": "Saved aggregate, sample-manifest, code and checkpoint audit; no inference rerun; no per-image prediction recount",
  "comparison": {
    "before": {
      "total": 128,
      "detected": 64,
      "localized": 64,
      "missed": 64,
      "outsideTolerance": 0
    },
    "after": {
      "total": 128,
      "detected": 104,
      "localized": 104,
      "missed": 24,
      "outsideTolerance": 0
    },
    "threshold": 0.5,
    "tolerancePixels": 12,
    "decoder": "argmax",
    "sameEvaluationManifest": true
  },
  "validation": {
    "before": {
      "total": 128,
      "detected": 76,
      "localized": 71,
      "missed": 52,
      "outsideTolerance": 5
    },
    "after": {
      "total": 128,
      "detected": 92,
      "localized": 92,
      "missed": 36,
      "outsideTolerance": 0
    }
  },
  "selection": {
    "step": 6000,
    "basis": "validation only"
  },
  "fullEvaluation": {
    "total": 1637,
    "detected": 1318,
    "localized": 1317,
    "missed": 319,
    "outsideTolerance": 1,
    "decoder": "local-centroid-v1",
    "comparisonToBaselineAvailable": false
  },
  "releaseEligible": false,
  "packagingBlockedInSavedRecord": true,
  "limitations": [
    "Provider box labels not independently reviewed; XYWH interpretation provisional",
    "Filename-group split, not verified independent golfers or sessions",
    "No reviewed ball-absent images; false-positive rate unknown",
    "Still-image development evaluation, not iPhone video accuracy or user outcomes"
  ],
  "attribution": "한국지능정보사회진흥원 AI 학습용 데이터 구축 사업 / AI Hub 스포츠 사람 동작 (골프), dataset 65",
  "sourceFingerprints": {
    "ball-public-4000/manifest.json": "89afa7765ba99a588b4cf1df750caaf94cdccf4c7819fadd8a52200d86da2f41",
    "ball-public-refine-8000/manifest.json": "f3173d119a1e2d6167adffe8066e73d732e9f255af29387c28c4b6b7e794ba68",
    "ball-public-4000/metrics.json": "93509578d72ad5a806058eb641d2d14a98d59fd32afce8d1482db3bf297911d3",
    "ball-public-refine-8000/metrics.json": "aa963c938701aafab6de2b3c7ba7d3c7a581b5993fb8ad4232ff5bf98a328ac3",
    "ball-public-refine-8000/full-development-test.json": "534eebf799ef26c5c915157af1b52820592f3085313c082636c173e3d093c498",
    "ball-public-refine-8000/development-artifact-verification.json": "a0e6b3d30c7739f5ba6262aafb29fb8c3947290b6f47151b92cbd9571a50e072"
  }
}