{
  "condition": "select_choroid",
  "kind": "selection",
  "note": "只选 choroid",
  "K": 1,
  "n": 80,
  "seed": 0,
  "miou": 0.7242341001580307,
  "per_class": {
    "choroid": 0.7242341001580307
  },
  "prompt": "Segment only the choroid in this OCT B-scan; color them choroid=brown; everything else black."
}