| { |
| "schema_version": "0.3", |
| "scene_id": "aligned_flow.af_0040", |
| "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": "1971-03-22T02:26:50.070608Z", |
| "end": "1971-03-22T02:27:00.070608Z", |
| "duration_s": 10.0 |
| }, |
| "tracking": { |
| "tracking_id": "aligned_flow.af_0040", |
| "format": "csv", |
| "path": "../tracks/aligned_flow.af_0040.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": [ |
| 9.445118608612518, |
| 6.02538471925489 |
| ], |
| "u_hat": [ |
| 0.9965292204300713, |
| -0.08324369543115112 |
| ] |
| }, |
| "metadata": { |
| "task_type": "aligned_flow", |
| "description": "Aligned-flow benchmark scene exported from mined human candidate af_0040.", |
| "score": 3.0708620988591404, |
| "rerank_score": 5.647499930399414, |
| "alignment_signed": 0.9986305362444484, |
| "crowd_coherence": 0.9685481369584026, |
| "crowd_local_density": 36.48979591836735, |
| "difficulty_score_raw": 0.8408162608102245, |
| "difficulty_score_norm": 0.6959836042688518, |
| "difficulty_category": "medium", |
| "difficulty_rank_within_category": 1, |
| "heading_diff_deg": 2.9989033997496506, |
| "subject_displacement_m": 4.043681575340651, |
| "subject_duration_s": 4.800435, |
| "crowd_n_other_tracks": 5, |
| "crowd_n_samples": 254 |
| }, |
| "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_1971-03-22T00:00:00Z_1971-03-23T00:00:00Z/by_chunks/chunk_1971-03-22T02_25_00Z_1971-03-22T02_30_00Z.csv", |
| "person_track_id": "894aef8c4cc9", |
| "window_start": "1971-03-22T02:26:50.070608+00:00", |
| "window_end": "1971-03-22T02:27:00.070608+00:00", |
| "candidates_csv": "out/af_clean/s2016_alignedflow_humans_with_difficulty.csv" |
| } |
| } |
| } |
