| { |
| "schema_version": "0.3", |
| "scene_id": "aligned_flow.af_0020", |
| "layout": { |
| "layout_id": "research.sc.s2016", |
| "path": "../layouts/s2016.layout.simplified.json", |
| "coordinate_frame": "layout_xy_meters", |
| "notes": "Scene geometry is expressed in the referenced layout frame." |
| }, |
| "window": { |
| "start": "1971-03-23T19:44:45.011217Z", |
| "end": "1971-03-23T19:44:55.011217Z", |
| "duration_s": 10.0 |
| }, |
| "tracking": { |
| "tracking_id": "aligned_flow.af_0020", |
| "format": "csv", |
| "path": "../tracks/aligned_flow.af_0020.tracks.csv", |
| "timestamp_field": "timestamp", |
| "track_id_field": "person_track_id", |
| "coordinate_frame": "layout_xy_meters", |
| "notes": "Windowed export from raw tracking chunk with all original columns preserved." |
| }, |
| "flow": { |
| "p_star": [ |
| 3.2039406008501885, |
| 1.976897302390973 |
| ], |
| "u_hat": [ |
| 0.9994319584127092, |
| -0.033701046027337825 |
| ] |
| }, |
| "metadata": { |
| "task_type": "aligned_flow", |
| "description": "Aligned-flow benchmark scene exported from mined human candidate af_0020.", |
| "score": 3.0936142461531055, |
| "rerank_score": 5.525819563684503, |
| "alignment_signed": 0.9991174584478998, |
| "crowd_coherence": 0.8949380584812556, |
| "crowd_local_density": 62.7037037037037, |
| "difficulty_score_raw": 0.8162033905187598, |
| "difficulty_score_norm": 0.6264195577260575, |
| "difficulty_category": "easy", |
| "difficulty_rank_within_category": 1, |
| "heading_diff_deg": 2.407338473715754, |
| "subject_displacement_m": 6.393154988411639, |
| "subject_duration_s": 8.000565, |
| "crowd_n_other_tracks": 4, |
| "crowd_n_samples": 395 |
| }, |
| "provenance": { |
| "generator": { |
| "name": "build_aligned_flow_benchmark", |
| "version": "0.2.0" |
| }, |
| "generated_at": null, |
| "source": { |
| "chunk_file": "/Volumes/EvenFlow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-23T00:00:00Z_1971-03-24T00:00:00Z/by_chunks/chunk_1971-03-23T19_40_00Z_1971-03-23T19_45_00Z.csv", |
| "person_track_id": "2dbf03b57c41", |
| "window_start": "1971-03-23T19:44:45.011217+00:00", |
| "window_end": "1971-03-23T19:44:55.011217+00:00", |
| "candidates_csv": "out/af_clean/s2016_alignedflow_humans_with_difficulty.csv" |
| } |
| } |
| } |
