processed/covtoken/s4_detection_bootstrap.json

{
  "raw_membership_auroc": 0.854,
  "self_trained_auroc": 0.842,
  "supervised_auroc": 0.8898,
  "self_minus_raw": -0.012,
  "fraction_of_supervised": 0.877,
  "self_beats_raw": false,
  "reaches_supervised_frac": 0.877,
  "interpretation": "Self-training on the geometric pseudo-labels (zero manual masks) reaches 88% of the supervised head's skill and does not beat the raw membership prior. Label-free lesion candidate generation is viable.",
  "elapsed_s": 772.3
}