{
  "R01": {
    "pngDimensions": [
      1280,
      889
    ],
    "zeroThresholdBbox": [
      368,
      164,
      1125,
      588
    ],
    "stable500ms": true,
    "diff0": "absolute RGB difference amplified 16x, saturating at 255",
    "diffT": "per-channel absolute difference >16/255, binary RGB"
  },
  "R02": {
    "pngDimensions": [
      1280,
      889
    ],
    "zeroThresholdBbox": [
      368,
      164,
      1125,
      588
    ],
    "stable500ms": true,
    "diff0": "absolute RGB difference amplified 16x, saturating at 255",
    "diffT": "per-channel absolute difference >16/255, binary RGB"
  },
  "R03": {
    "pngDimensions": [
      1280,
      889
    ],
    "zeroThresholdBbox": [
      368,
      164,
      1125,
      502
    ],
    "stable500ms": true,
    "diff0": "absolute RGB difference amplified 16x, saturating at 255",
    "diffT": "per-channel absolute difference >16/255, binary RGB"
  }
}