EvenFlow / benchmark /aligned_flow /scenes /aligned_flow.af_0043.scene.json
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{
"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"
}
}
}