{
  "schema_version": 1,
  "task": "NCL-stained nucleolar instance segmentation",
  "status": "experimental_development_candidate_not_adopted",
  "completed_updates": 375,
  "checkpoint_sha256": "bc5ea7f25ce9a9f96e9ff510cee20587e1328ac834a0f7f82aee0bc06156d906",
  "base_checkpoint_sha256": "0f1cc3f7ecdd8a037a57c6c48d9d8921391be4cbce3fa9f13c3e3a2e1253c667",
  "data_manifest_sha256": "0ae2728c8e85ed94d55ca0baeb54bd72c139aac01a142d7ca6ebe4e8a5a5b7fe",
  "training_code_sha256": "4d7797c716d9fde458b29ed3b1d07e8b990cbf826560d540a62cf5c0fb94d53a",
  "inference_code_sha256": "c4b32c7910b3e00804b48794791468dfefedec7896ec770548f34872b4fd9453",
  "recipe": {
    "optimizer": "AdamW",
    "lr_max": 1e-05,
    "weight_decay": 0.1,
    "warmup_updates": 100,
    "batch_size": 1,
    "rdrop": 0,
    "augmentation": false
  },
  "environment": {
    "cellpose": "4.2.1.1",
    "torch": "2.8.0+cpu",
    "numpy": "2.2.6",
    "scipy": "1.16.2"
  },
  "evaluation_summary": {
    "training_experiments": 1,
    "training_regions": 2,
    "training_objects": 8,
    "development_experiments": 1,
    "development_regions": 1,
    "development_objects": 4,
    "final_test_regions": 0,
    "matched_product_baseline": {
      "TP": 3,
      "FP": 4,
      "FN": 1,
      "F1": 0.5454545454545454,
      "union_Dice": 0.8534045393858478,
      "total_area_relative_difference": -0.2038369304556355
    },
    "candidate_product_output": {
      "TP": 4,
      "FP": 2,
      "FN": 0,
      "F1": 0.8,
      "union_Dice": 0.9348565872630044,
      "total_area_relative_difference": -0.02685851318944844
    },
    "candidate_raw_output": {
      "TP": 2,
      "FP": 5,
      "FN": 2,
      "F1": 0.36363636363636365,
      "union_Dice": 0.8992209097763257,
      "total_area_relative_difference": -0.09160671462829736
    },
    "limitations": [
      "Development-only pilot; not a generalization or final validation claim.",
      "Product output includes unchanged parent-nucleus and postprocessing stages; raw model output differs.",
      "Extra split fragments and object-level boundary/area regressions remain.",
      "Training images are not independent validation.",
      "Two-human reference agreement, native fluorescence accuracy, and correction burden not measured.",
      "Not validated for NPM1 staining or cytoplasm."
    ]
  }
}