{
  "method": "Decoded RGB comparison in declared top-left wall patch with no resizing or alignment",
  "patch": {
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    "top": 0,
    "width": 600,
    "height": 250
  },
  "comparedPixels": 150000,
  "changedPixels": 149886,
  "changedFraction": 0.99924,
  "meanAbsoluteChannelDifference": 7.553202222222223,
  "channelRange": [0, 255],
  "qualityScore": null,
  "temporalReviewPerformed": false,
  "protectedSourcePixelsClaimed": false
}
