| { |
| "schema_version": "0.3", |
| "scene_id": "aligned_flow.af_0043", |
| "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": "1971-03-27T02:01:45.002217Z", |
| "end": "1971-03-27T02:01:55.002217Z", |
| "duration_s": 10.0 |
| }, |
| "tracking": { |
| "tracking_id": "aligned_flow.af_0043", |
| "format": "csv", |
| "path": "../tracks/aligned_flow.af_0043.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": [ |
| 0.47247765326575464, |
| 4.363984256710566 |
| ], |
| "u_hat": [ |
| -0.03035465238525498, |
| 0.999539191366987 |
| ] |
| }, |
| "metadata": { |
| "task_type": "aligned_flow", |
| "description": "Aligned-flow benchmark scene exported from mined human candidate af_0043.", |
| "score": 3.1138373406718416, |
| "rerank_score": 5.543197741654579, |
| "alignment_signed": 0.9997627395746662, |
| "crowd_coherence": 0.914193231309842, |
| "crowd_local_density": 19.95, |
| "difficulty_score_raw": 0.8355094922091311, |
| "difficulty_score_norm": 0.7178357282461437, |
| "difficulty_category": "hard", |
| "difficulty_rank_within_category": 8, |
| "heading_diff_deg": 1.248127263070046, |
| "subject_displacement_m": 7.194896795097022, |
| "subject_duration_s": 9.900826, |
| "crowd_n_other_tracks": 4, |
| "crowd_n_samples": 398 |
| }, |
| "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_1971-03-27T00:00:00Z_1971-03-28T00:00:00Z/by_chunks/chunk_1971-03-27T02_00_00Z_1971-03-27T02_05_00Z.csv", |
| "person_track_id": "0b96901464ca", |
| "window_start": "1971-03-27T02:01:45.002217+00:00", |
| "window_end": "1971-03-27T02:01:55.002217+00:00", |
| "candidates_csv": "out/af_clean/s2016_alignedflow_humans_with_difficulty.csv" |
| } |
| } |
| } |
