{ "baseline_macro_f1": "0.629", "baseline_mitosis_f1": "0.599", "baseline_mit_pr": "0.65 / 0.62", "vjepa_mitosis_f1": "0.681", "vjepa_mit_pr": "0.69 / 0.74", "seed_band": "0.635 \u00b1 0.098 (3 seeds)", "counting_md": "**Total count:** the density head beats a mean-count null and a classical blob detector by ~3\u20135\u00d7. **Per-state:** it does *not* beat the null \u2014 interphase MAE stays high and pre-mitosis/mitosis look low only because predicting ~0 is almost right. The data bottleneck recurs (report Appendix C).", "n": 5312, "vjepa_macro_f1": "0.6776", "confusion": [ [ 4550, 211, 52 ], [ 173, 136, 14 ], [ 44, 7, 125 ] ] }