{
  "dataset": "m2caiSeg",
  "description": "Processed m2caiSeg dataset with 19 semantic classes for surgical scene segmentation.",
  "num_classes": 19,
  "class_names": [
    "background",
    "grasper",
    "bipolar",
    "hook",
    "scissors",
    "clipper",
    "irrigator",
    "specimen-bag",
    "trocars",
    "clip",
    "liver",
    "gall-bladder",
    "fat",
    "upperwall",
    "artery",
    "intestine",
    "bile",
    "blood",
    "unknown"
  ],
  "preprocessing": {
    "script": "extract_color.py",
    "transforms": [
      "unknown [170,0,85] -> black [0,0,0]",
      "black [0,0,0] -> white [255,255,255]",
      "undefined colors -> white [255,255,255]"
    ]
  },
  "color_to_class": {
    "(0, 0, 0)": {
      "class_id": 18,
      "class_name": "unknown"
    },
    "(0, 85, 170)": {
      "class_id": 1,
      "class_name": "grasper"
    },
    "(0, 85, 255)": {
      "class_id": 2,
      "class_name": "bipolar"
    },
    "(0, 170, 85)": {
      "class_id": 3,
      "class_name": "hook"
    },
    "(0, 255, 85)": {
      "class_id": 4,
      "class_name": "scissors"
    },
    "(0, 255, 170)": {
      "class_id": 5,
      "class_name": "clipper"
    },
    "(85, 0, 170)": {
      "class_id": 6,
      "class_name": "irrigator"
    },
    "(85, 0, 255)": {
      "class_id": 7,
      "class_name": "specimen-bag"
    },
    "(170, 85, 85)": {
      "class_id": 8,
      "class_name": "trocars"
    },
    "(170, 170, 170)": {
      "class_id": 9,
      "class_name": "clip"
    },
    "(85, 170, 0)": {
      "class_id": 10,
      "class_name": "liver"
    },
    "(85, 170, 255)": {
      "class_id": 11,
      "class_name": "gall-bladder"
    },
    "(85, 255, 0)": {
      "class_id": 12,
      "class_name": "fat"
    },
    "(85, 255, 170)": {
      "class_id": 13,
      "class_name": "upperwall"
    },
    "(170, 0, 255)": {
      "class_id": 14,
      "class_name": "artery"
    },
    "(255, 0, 255)": {
      "class_id": 15,
      "class_name": "intestine"
    },
    "(255, 255, 0)": {
      "class_id": 16,
      "class_name": "bile"
    },
    "(255, 0, 0)": {
      "class_id": 17,
      "class_name": "blood"
    },
    "(255, 255, 255)": {
      "class_id": 0,
      "class_name": "background"
    }
  }
}