{
 "keypoints": [
  "FL_hub",
  "FL_contact",
  "FR_hub",
  "FR_contact",
  "RL_hub",
  "RL_contact",
  "RR_hub",
  "RR_contact"
 ],
 "flip_pairs": [
  [
   0,
   2
  ],
  [
   1,
   3
  ],
  [
   4,
   6
  ],
  [
   5,
   7
  ]
 ],
 "input": [
  512,
  512
 ],
 "heatmap": 128,
 "mean": [
  0.48500001430511475,
  0.4560000002384186,
  0.4059999883174896
 ],
 "std": [
  0.2290000021457672,
  0.2240000069141388,
  0.22499999403953552
 ],
 "decode": "argmax each heatmap \u2192 (x,y); \u00d7(IN/HM) \u2192 px in the crop; map back via the YOLOX box",
 "provenance": {
  "model": "wheel_kp_v2",
  "base": "models/wheel_kp_v1/wheel_kp.pt (CARLA p2_029)",
  "fine_tune": "Phase B-real run2, best.pt = epoch 7/30 (val_px_err 36.26)",
  "train_data": "1,800 pseudo-labeled real PassBox frames (174 riders); eval on 43 rider-disjoint holdout riders",
  "trainer_commit": "8665d79",
  "date": "2026-07-29"
 }
}