{
  "_notes": [
    "Single-eye img-only variant. Eye-level MonoBridge fusion, no patient-level hb.",
    "Each eye is classified independently. For comparing single vs bilateral",
    "in the img-only architecture."
  ],
  "run_name": "v4/img_solo_single",
  "num_classes": 2,
  "label_filter": [0, 1],
  "split_identity_level": 1,
  "eval_stage": "img_fuse",
  "save_predictions": true,
  "seed": 1234,
  "folds": 5,
  "fold_seed": 100,
  "output_root": "v4/results",
  "out_dir_tags": ["binary"],
  "data": {
    "module": "v4.classes.profiles.v4papila",
    "args": {
      "image_dir": "Papila/FundusImages",
      "clinical_dir": "Papila/ClinicalData",
      "label_col": "Diagnosis",
      "iop_corr_method": "ratio",
      "iop_drop_raw": true,
      "exclude_cols": ["Axial_Length"],
      "in_memory_cache": true
    }
  },
  "towers": [
    {
      "name": "img",
      "module": "v4.classes.towers.image_tower",
      "class": "ImageEncoder",
      "data_source": "image",
      "args": {
        "backbone": "refugelike",
        "freeze_ratio": 0.0,
        "augment": true
      }
    }
  ],
  "stages": [
    {
      "name": "img_fuse",
      "type": "fusion",
      "module": "v4.classes.bridges.mono_bridge",
      "class": "MonoBridge",
      "inputs": ["img"],
      "level": "eye",
      "epochs": 36,
      "train_towers": true,
      "args": { "use_ln": false }
    },
    {
      "name": "img_fuse_head",
      "type": "head",
      "input": "img_fuse",
      "train_with": "img_fuse"
    }
  ],
  "training": {
    "lr": 1e-4,
    "batch_size": 8,
    "tune_binary_threshold": true
  }
}