{
 "version": "v1",
 "protocol": "split-by-position-group, then frame-level eval cut",
 "policy": "TRAIN positions are exclusive (their frames appear only in train). EVAL positions feed BOTH valid and test: temporally-ordered kept frames are cut at val_test_ratio (first part -> valid, rest -> test). train never shares a position with valid/test.",
 "val_test_ratio": 0.5,
 "frame_selection": {
  "rule": "gap + min-vehicles",
  "min_gap_frames": 25,
  "min_objects": 3
 },
 "caveat_tostmannplatz": "tp_pos1 is split per CAMERA: drone + cam_3_100 are eval while cam_48_101/106 are train. Those cameras see the same intersection at the same instant from different viewpoints. Inherited from v0.1 and kept for comparability; exclude tp_pos1_* from train for a strictly scene-disjoint eval.",
 "counts": {
  "train": {
   "images": 18015,
   "instances": 375926,
   "runs": 34
  },
  "valid": {
   "images": 5892,
   "instances": 104024,
   "runs": 24
  },
  "test": {
   "images": 5880,
   "instances": 105952,
   "runs": 24
  }
 },
 "runs_per_split": {
  "train": [
   "kv_pos1_axis_cam3",
   "kv_pos1_drone_0015",
   "kv_pos1_drone_0016",
   "kv_pos1_drone_0017",
   "kv_pos1_drone_0018",
   "sb_pos1_axis_cam3",
   "sb_pos1_axis_cam6",
   "sb_pos1_drone_0010",
   "sb_pos1_drone_0011",
   "sb_pos1_drone_0012",
   "sb_pos1_drone_0013",
   "sb_pos4_s1_axis_cam4",
   "sb_pos4_s1_drone_0031",
   "sb_pos4_s1_drone_0032",
   "sb_pos4_s1_drone_0033",
   "sb_pos4_s2_axis_cam4",
   "sb_pos4_s2_drone_0036",
   "sb_pos4_s2_drone_0037",
   "sb_pos4_s3_axis_cam4",
   "sb_pos4_s3_drone_0038",
   "sb_pos4_s3_drone_0039",
   "sb_pos4_s3_drone_0040",
   "sb_pos4_s3_drone_0041",
   "sb_pos4_s3_drone_0042",
   "sb_pos4_s3_drone_0043",
   "tp_f1_axis_cam48_101",
   "tp_f1_axis_cam48_106",
   "tp_f2_axis_cam48_106",
   "tp_rieke_axis_cam3",
   "tp_rieke_axis_cam48_101",
   "tp_rieke_drone_0019",
   "tp_rieke_drone_0020",
   "tp_rieke_drone_0021",
   "tp_rieke_drone_0022"
  ],
  "valid": [
   "kv_pos2_axis_cam3",
   "kv_pos2_drone_0023",
   "kv_pos2_drone_0024",
   "kv_pos2_drone_0025",
   "kv_pos2_drone_0026",
   "sb_pos2_axis_cam3",
   "sb_pos2_drone_0006",
   "sb_pos2_drone_0007",
   "sb_pos2_drone_0008",
   "sb_pos2_drone_0009",
   "sb_pos3_axis_cam3",
   "sb_pos3_drone_0001",
   "sb_pos3_drone_0002",
   "sb_pos3_drone_0003",
   "sb_pos3_drone_0004",
   "tp_f1_axis_cam3",
   "tp_f1_drone_0019",
   "tp_f1_drone_0020",
   "tp_f1_drone_0021",
   "tp_f1_drone_0022",
   "tp_f2_axis_cam3",
   "tp_f2_drone_0015",
   "tp_f2_drone_0017",
   "tp_f2_drone_0018"
  ],
  "test": [
   "kv_pos2_axis_cam3",
   "kv_pos2_drone_0023",
   "kv_pos2_drone_0024",
   "kv_pos2_drone_0025",
   "kv_pos2_drone_0026",
   "sb_pos2_axis_cam3",
   "sb_pos2_drone_0006",
   "sb_pos2_drone_0007",
   "sb_pos2_drone_0008",
   "sb_pos2_drone_0009",
   "sb_pos3_axis_cam3",
   "sb_pos3_drone_0001",
   "sb_pos3_drone_0002",
   "sb_pos3_drone_0003",
   "sb_pos3_drone_0004",
   "tp_f1_axis_cam3",
   "tp_f1_drone_0019",
   "tp_f1_drone_0020",
   "tp_f1_drone_0021",
   "tp_f1_drone_0022",
   "tp_f2_axis_cam3",
   "tp_f2_drone_0015",
   "tp_f2_drone_0017",
   "tp_f2_drone_0018"
  ]
 }
}