[
  {
    "_note": "PAPILA paper backbone replication — VGG16, single-eye img-only, ImageNet-pretrained (no fundus pretraining). For Figure 2 anchor row.",
    "run_name": "experiments/phase2_v4/papila_backbones/vgg16",
    "reps": 10,
    "tower_overrides": {
      "img": { "args": { "backbone": "vgg16", "freeze_ratio": 0.0 } }
    }
  },

  {
    "_note": "DenseNet121 ImageNet-pretrained, no fundus.",
    "run_name": "experiments/phase2_v4/papila_backbones/densenet121",
    "reps": 10,
    "tower_overrides": {
      "img": { "args": { "backbone": "densenet121", "freeze_ratio": 0.0 } }
    }
  },

  {
    "_note": "MobileNetV2 ImageNet-pretrained, no fundus.",
    "run_name": "experiments/phase2_v4/papila_backbones/mobilenet_v2",
    "reps": 10,
    "tower_overrides": {
      "img": { "args": { "backbone": "mobilenet_v2", "freeze_ratio": 0.0 } }
    }
  },

  {
    "_note": "InceptionV3 ImageNet-pretrained, no fundus. (Note: 299x299 native; pipeline uses 224 — note in figure caption.)",
    "run_name": "experiments/phase2_v4/papila_backbones/inception_v3",
    "reps": 10,
    "tower_overrides": {
      "img": { "args": { "backbone": "inception_v3", "freeze_ratio": 0.0 } }
    }
  }
]