| { |
| "schema_version": "0.3", |
| "scene_id": "aligned_flow.af_0039", |
| "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": "1971-03-10T03:58:25.020826Z", |
| "end": "1971-03-10T03:58:35.020826Z", |
| "duration_s": 10.0 |
| }, |
| "tracking": { |
| "tracking_id": "aligned_flow.af_0039", |
| "format": "csv", |
| "path": "../tracks/aligned_flow.af_0039.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": [ |
| 0.9221616267456476, |
| 4.178647077220386 |
| ], |
| "u_hat": [ |
| 0.02423709015896012, |
| -0.999706238582428 |
| ] |
| }, |
| "metadata": { |
| "task_type": "aligned_flow", |
| "description": "Aligned-flow benchmark scene exported from mined human candidate af_0039.", |
| "score": 3.047656712301273, |
| "rerank_score": 5.590285500318643, |
| "alignment_signed": 0.9997262547421044, |
| "crowd_coherence": 0.8480673301881162, |
| "crowd_local_density": 46.08888888888889, |
| "difficulty_score_raw": 0.8128773023605464, |
| "difficulty_score_norm": 0.6947168181082399, |
| "difficulty_category": "medium", |
| "difficulty_rank_within_category": 2, |
| "heading_diff_deg": 1.3406667551752776, |
| "subject_displacement_m": 9.088795120950133, |
| "subject_duration_s": 8.90074, |
| "crowd_n_other_tracks": 6, |
| "crowd_n_samples": 563 |
| }, |
| "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_1971-03-10T00:00:00Z_1971-03-11T00:00:00Z/by_chunks/chunk_1971-03-10T03_55_00Z_1971-03-10T04_00_00Z.csv", |
| "person_track_id": "6c02874b46ed", |
| "window_start": "1971-03-10T03:58:25.020826+00:00", |
| "window_end": "1971-03-10T03:58:35.020826+00:00", |
| "candidates_csv": "out/af_clean/s2016_alignedflow_humans_with_difficulty.csv" |
| } |
| } |
| } |
