{
 "ST1-C-mounted": {
  "size": [
   1440,
   900
  ],
  "diff0_gain": 8,
  "diff0_nonzero": 83114,
  "diffT_threshold": "max|RGB|>8/255",
  "diffT_count": 46591,
  "bbox": [
   18,
   19,
   1099,
   860
  ]
 },
 "ST1-C-held": {
  "size": [
   1440,
   900
  ],
  "diff0_gain": 8,
  "diff0_nonzero": 95509,
  "diffT_threshold": "max|RGB|>8/255",
  "diffT_count": 41350,
  "bbox": [
   18,
   19,
   1129,
   900
  ]
 },
 "ST2-C-mounted": {
  "size": [
   1440,
   900
  ],
  "diff0_gain": 8,
  "diff0_nonzero": 6713,
  "diffT_threshold": "max|RGB|>8/255",
  "diffT_count": 6390,
  "bbox": [
   18,
   19,
   479,
   860
  ]
 },
 "ST2-C-held": {
  "size": [
   1440,
   900
  ],
  "diff0_gain": 8,
  "diff0_nonzero": 92115,
  "diffT_threshold": "max|RGB|>8/255",
  "diffT_count": 53972,
  "bbox": [
   18,
   19,
   1116,
   880
  ]
 }
}