{
  "total_images": 351,
  "train": 281,
  "val": 70,
  "lumen_detected": 294,
  "no_lumen": 57,
  "class_distribution": {
    "background_mean": 60.9,
    "epithelium_mean": 27.5,
    "lumen_mean": 11.6
  },
  "classes": {
    "0": "background",
    "1": "seminiferous_epithelium",
    "2": "lumen"
  }
}