{
  "created_at": "2026-09-11T11:43:34.476764+00:00",
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  "images": {
    "2": {
      "golem": {
        "input": "../previews/pilot-unet-x2-s20260911/final-0000-lr.png",
        "target": "../previews/pilot-unet-x2-s20260911/final-0000-hr.png",
        "dit": "../previews/pilot-dit-x2-s20260911/final-0000-pred.png",
        "gan": "../previews/pilot-gan-x2-s20260911/final-0000-pred.png",
        "unet": "../previews/pilot-unet-x2-s20260911/final-0000-pred.png"
      },
      "mushroom": {
        "input": "../previews/pilot-unet-x2-s20260911/old-dev-000-x2-lr.png",
        "dit": "../previews/pilot-dit-x2-s20260911/old-dev-000-x2-pred.png",
        "gan": "../previews/pilot-gan-x2-s20260911/old-dev-000-x2-pred.png",
        "unet": "../previews/pilot-unet-x2-s20260911/old-dev-000-x2-pred.png"
      },
      "ammonite": {
        "input": "../previews/pilot-unet-x2-s20260911/old-dev-001-x2-lr.png",
        "dit": "../previews/pilot-dit-x2-s20260911/old-dev-001-x2-pred.png",
        "gan": "../previews/pilot-gan-x2-s20260911/old-dev-001-x2-pred.png",
        "unet": "../previews/pilot-unet-x2-s20260911/old-dev-001-x2-pred.png"
      }
    },
    "3": {
      "golem": {
        "input": "../previews/pilot-unet-x3-s20260911/final-0000-lr.png",
        "target": "../previews/pilot-unet-x3-s20260911/final-0000-hr.png",
        "dit": "../previews/pilot-dit-x3-s20260911/final-0000-pred.png",
        "gan": "../previews/pilot-gan-x3-s20260911/final-0000-pred.png",
        "unet": "../previews/pilot-unet-x3-s20260911/final-0000-pred.png"
      },
      "mushroom": {
        "input": "../previews/pilot-unet-x3-s20260911/old-dev-000-x3-lr.png",
        "dit": "../previews/pilot-dit-x3-s20260911/old-dev-000-x3-pred.png",
        "gan": "../previews/pilot-gan-x3-s20260911/old-dev-000-x3-pred.png",
        "unet": "../previews/pilot-unet-x3-s20260911/old-dev-000-x3-pred.png"
      },
      "ammonite": {
        "input": "../previews/pilot-unet-x3-s20260911/old-dev-001-x3-lr.png",
        "dit": "../previews/pilot-dit-x3-s20260911/old-dev-001-x3-pred.png",
        "gan": "../previews/pilot-gan-x3-s20260911/old-dev-001-x3-pred.png",
        "unet": "../previews/pilot-unet-x3-s20260911/old-dev-001-x3-pred.png"
      }
    },
    "4": {
      "golem": {
        "input": "../previews/pilot-unet-x4-s20260911/final-0000-lr.png",
        "target": "../previews/pilot-unet-x4-s20260911/final-0000-hr.png",
        "dit": "../previews/pilot-dit-x4-s20260911/final-0000-pred.png",
        "gan": "../previews/pilot-gan-x4-s20260911/final-0000-pred.png",
        "unet": "../previews/pilot-unet-x4-s20260911/final-0000-pred.png"
      },
      "mushroom": {
        "input": "../previews/pilot-unet-x4-s20260911/old-dev-000-x4-lr.png",
        "dit": "../previews/pilot-dit-x4-s20260911/old-dev-000-x4-pred.png",
        "gan": "../previews/pilot-gan-x4-s20260911/old-dev-000-x4-pred.png",
        "unet": "../previews/pilot-unet-x4-s20260911/old-dev-000-x4-pred.png"
      },
      "ammonite": {
        "input": "../previews/pilot-unet-x4-s20260911/old-dev-001-x4-lr.png",
        "dit": "../previews/pilot-dit-x4-s20260911/old-dev-001-x4-pred.png",
        "gan": "../previews/pilot-gan-x4-s20260911/old-dev-001-x4-pred.png",
        "unet": "../previews/pilot-unet-x4-s20260911/old-dev-001-x4-pred.png"
      }
    }
  },
  "summary": "갤러리의 같은 골렘 4프레임은 9개 결과 모두 파랑 쪽으로 치우쳤습니다. 전체 검증 평균은 모델·배율마다 달랐습니다.",
  "checks": {
    "rgba_roundtrip_all_scales": "2·3·4배 검사 RGB·alpha 오차 0",
    "source_png_profiles": "검사한 원본 2558장과 최종 예시 36장에 ICC/gAMA/sRGB 없음",
    "model_weights_changed": false,
    "all_nine_pilots_completed": true,
    "full_validation_psnr_reproduced_max_error": 0.0
  },
  "method": {
    "gallery": "같은 계열 골렘 4프레임, 미보존·원본 불투명 내부 픽셀을 합쳐 평균",
    "validation": "검증 262프레임, 원본 불투명 내부의 미보존 RGB: 프레임→계열→50계열 동등 평균",
    "delta": "blue = delta B - (delta R + delta G)/2, 0..255 저장 RGB 숫자 차이; 지각 색차 점수 아님",
    "precision": "동일 가중치·DDIM 시드, 모델 FP32와 TF32 OFF; 같은 골렘 4프레임만 평가"
  }
}