{
  "schema": "dsh-mask-pixel-lock/report@1",
  "id": "f3693324c8816ddb",
  "createdAt": "2026-10-22T02:44:42.810Z",
  "durationMs": 182,
  "tool": {
    "name": "dsh-mask-pixel-lock",
    "version": "0.1.0"
  },
  "verdict": "fail",
  "reason": "protected-pixels-changed",
  "label": "检出背景曝光漂移",
  "inputs": {
    "original": {
      "path": "examples/before.png",
      "bytes": 191040,
      "sha256": "8c76d221d8272d5ac144b64bf0da23843e6a898a0bbd7bfd5e63d835e1a9f0c4",
      "width": 640,
      "height": 400,
      "colorType": 2,
      "bitDepth": 8,
      "interlace": 0
    },
    "generated": {
      "path": "examples/after-leak.png",
      "bytes": 192816,
      "sha256": "8c5bb0dfca883ac3516df0595b6de985df2aeeb34094e2c0bec785410479ba65",
      "width": 640,
      "height": 400,
      "colorType": 2,
      "bitDepth": 8,
      "interlace": 0
    },
    "mask": {
      "path": "examples/mask.png",
      "bytes": 1085,
      "sha256": "9386a273782fb8b535d67e4f411300d4e46365ce24ef4a8e8e35da24eca42890",
      "width": 640,
      "height": 400,
      "colorType": 0,
      "bitDepth": 8,
      "interlace": 0
    }
  },
  "policy": {
    "maskMode": "edit",
    "maskThreshold": 127,
    "tolerance": 0,
    "ignoreAlpha": false
  },
  "comparison": {
    "verdict": "fail",
    "tolerance": 0,
    "compareAlpha": true,
    "totalPixels": 256000,
    "protectedPixels": 184759,
    "editablePixels": 71241,
    "unchangedPixels": 0,
    "changedPixels": 184759,
    "exactChangedPixels": 184759,
    "changedRatio": 1,
    "exactChangedRatio": 1,
    "maxDelta": 4,
    "meanDelta": 3.9924712733885763,
    "perChannelMax": {
      "r": 4,
      "g": 3,
      "b": 2,
      "a": 0
    },
    "region": {
      "x": 0,
      "y": 0,
      "w": 640,
      "h": 400
    },
    "bbox": {
      "x": 0,
      "y": 0,
      "w": 640,
      "h": 400
    },
    "histogram": [
      {
        "label": "0",
        "min": 0,
        "max": 0,
        "count": 0
      },
      {
        "label": "1",
        "min": 1,
        "max": 1,
        "count": 0
      },
      {
        "label": "2-3",
        "min": 2,
        "max": 3,
        "count": 1391
      },
      {
        "label": "4-7",
        "min": 4,
        "max": 7,
        "count": 183368
      },
      {
        "label": "8-15",
        "min": 8,
        "max": 15,
        "count": 0
      },
      {
        "label": "16-31",
        "min": 16,
        "max": 31,
        "count": 0
      },
      {
        "label": "32-63",
        "min": 32,
        "max": 63,
        "count": 0
      },
      {
        "label": "64-127",
        "min": 64,
        "max": 127,
        "count": 0
      },
      {
        "label": "128-255",
        "min": 128,
        "max": 255,
        "count": 0
      }
    ],
    "samples": [
      {
        "x": 0,
        "y": 0,
        "delta": 4,
        "original": [
          209,
          202,
          192,
          255
        ],
        "generated": [
          213,
          205,
          194,
          255
        ]
      },
      {
        "x": 1,
        "y": 0,
        "delta": 4,
        "original": [
          209,
          202,
          192,
          255
        ],
        "generated": [
          213,
          205,
          194,
          255
        ]
      },
      {
        "x": 2,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          192,
          255
        ],
        "generated": [
          214,
          206,
          194,
          255
        ]
      },
      {
        "x": 3,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          193,
          255
        ],
        "generated": [
          214,
          206,
          195,
          255
        ]
      },
      {
        "x": 4,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          193,
          255
        ],
        "generated": [
          214,
          206,
          195,
          255
        ]
      },
      {
        "x": 5,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          193,
          255
        ],
        "generated": [
          214,
          206,
          195,
          255
        ]
      },
      {
        "x": 6,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          193,
          255
        ],
        "generated": [
          214,
          206,
          195,
          255
        ]
      },
      {
        "x": 7,
        "y": 0,
        "delta": 4,
        "original": [
          210,
          203,
          192,
          255
        ],
        "generated": [
          214,
          206,
          194,
          255
        ]
      },
      {
        "x": 8,
        "y": 0,
        "delta": 4,
        "original": [
          211,
          204,
          193,
          255
        ],
        "generated": [
          215,
          207,
          195,
          255
        ]
      },
      {
        "x": 9,
        "y": 0,
        "delta": 4,
        "original": [
          211,
          204,
          193,
          255
        ],
        "generated": [
          215,
          207,
          195,
          255
        ]
      },
      {
        "x": 10,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          194,
          255
        ],
        "generated": [
          216,
          208,
          196,
          255
        ]
      },
      {
        "x": 11,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          194,
          255
        ],
        "generated": [
          216,
          208,
          196,
          255
        ]
      },
      {
        "x": 12,
        "y": 0,
        "delta": 4,
        "original": [
          211,
          203,
          193,
          255
        ],
        "generated": [
          215,
          206,
          195,
          255
        ]
      },
      {
        "x": 13,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          195,
          255
        ],
        "generated": [
          216,
          208,
          197,
          255
        ]
      },
      {
        "x": 14,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          194,
          255
        ],
        "generated": [
          216,
          208,
          196,
          255
        ]
      },
      {
        "x": 15,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          194,
          255
        ],
        "generated": [
          216,
          208,
          196,
          255
        ]
      },
      {
        "x": 16,
        "y": 0,
        "delta": 4,
        "original": [
          213,
          206,
          194,
          255
        ],
        "generated": [
          217,
          209,
          196,
          255
        ]
      },
      {
        "x": 17,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          195,
          255
        ],
        "generated": [
          216,
          208,
          197,
          255
        ]
      },
      {
        "x": 18,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          194,
          255
        ],
        "generated": [
          216,
          208,
          196,
          255
        ]
      },
      {
        "x": 19,
        "y": 0,
        "delta": 4,
        "original": [
          212,
          205,
          195,
          255
        ],
        "generated": [
          216,
          208,
          197,
          255
        ]
      }
    ],
    "warnings": []
  },
  "dimensions": {
    "width": 640,
    "height": 400
  },
  "scope": {
    "markedPixels": 71241,
    "protectedPixels": 184759,
    "editablePixels": 71241
  },
  "proof": {
    "algorithm": "sha256",
    "schema": "dsh-mask-pixel-lock/proof@1",
    "pixelSchema": "dsh-mask-pixel-lock/protected-pixels@1",
    "files": {
      "original": "8c76d221d8272d5ac144b64bf0da23843e6a898a0bbd7bfd5e63d835e1a9f0c4",
      "generated": "8c5bb0dfca883ac3516df0595b6de985df2aeeb34094e2c0bec785410479ba65",
      "mask": "9386a273782fb8b535d67e4f411300d4e46365ce24ef4a8e8e35da24eca42890"
    },
    "protectedPixels": {
      "count": 184759,
      "channels": 4,
      "original": "73407d5ca9a1fc34e98443e9a642c20e8435c5bd9b1311f225a9aa8451e30db7",
      "generated": "8f5b52178daeacbed76a48ff8a845d3fb4d2a702e6d552035bcba6587fd388e1",
      "equal": false
    },
    "proofDigest": "f3693324c8816ddbc5b2512651eae26af993d1e2aea8c435349b672e37fdb15e",
    "statement": "受保护像素存在差异（详见差异统计）"
  },
  "outputs": {
    "dir": "examples/report-fail",
    "heatmap": "examples/report-fail/heatmap.png",
    "reportJson": "examples/report-fail/report.json",
    "reportHtml": "examples/report-fail/report.html"
  },
  "warnings": []
}