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benchmark/aligned_flow/layouts/s2016.layout.simplified.json

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+}

benchmark/cross_flow/scenes/cross_flow.cf_0001.scene.json

@@ -0,0 +1,66 @@
+{
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+}

benchmark/cross_flow/scenes/cross_flow.cf_0002.scene.json

@@ -0,0 +1,66 @@
+{
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+}

benchmark/cross_flow/scenes/cross_flow.cf_0003.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
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+}

benchmark/cross_flow/scenes/cross_flow.cf_0004.scene.json

@@ -0,0 +1,66 @@
+{
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+}

benchmark/cross_flow/scenes/cross_flow.cf_0005.scene.json

@@ -0,0 +1,66 @@
+{
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-02T00:00:00Z_1971-03-03T00:00:00Z/by_chunks/chunk_1971-03-02T20_20_00Z_1971-03-02T20_25_00Z.csv",
+      "person_track_id": "6bc13bc02672",
+      "window_start": "1971-03-02T20:23:35.066956+00:00",
+      "window_end": "1971-03-02T20:23:45.066956+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0006.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0006",
+  "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": "1971-03-28T05:29:40.027565Z",
+    "end": "1971-03-28T05:29:50.027565Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0006",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0006.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0006.",
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T05_25_00Z_1971-03-28T05_30_00Z.csv",
+      "person_track_id": "030d8f694c1a",
+      "window_start": "1971-03-28T05:29:40.027565+00:00",
+      "window_end": "1971-03-28T05:29:50.027565+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0007.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0007",
+  "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": {
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+    "end": "1971-03-01T23:19:50.011347Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0007",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0007.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": {
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+  "metadata": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0007.",
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+    "source": {
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+      "person_track_id": "6e2b627e3d20",
+      "window_start": "1971-03-01T23:19:40.011347+00:00",
+      "window_end": "1971-03-01T23:19:50.011347+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0008.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0008",
+  "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": {
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+    "end": "1971-03-09T23:48:05.087608Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0008",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0008.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": {
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+    "u_hat": [
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+  "metadata": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0008.",
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+  "provenance": {
+    "generator": {
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-09T00:00:00Z_1971-03-10T00:00:00Z/by_chunks/chunk_1971-03-09T23_45_00Z_1971-03-09T23_50_00Z.csv",
+      "person_track_id": "5f00969a6c3b",
+      "window_start": "1971-03-09T23:47:55.087608+00:00",
+      "window_end": "1971-03-09T23:48:05.087608+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0009.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0009",
+  "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": "1971-03-29T02:37:40.032826Z",
+    "end": "1971-03-29T02:37:50.032826Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0009",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0009.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0009.",
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+  "provenance": {
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-29T00:00:00Z_1971-03-30T00:00:00Z/by_chunks/chunk_1971-03-29T02_35_00Z_1971-03-29T02_40_00Z.csv",
+      "person_track_id": "b54e56e5efba",
+      "window_start": "1971-03-29T02:37:40.032826+00:00",
+      "window_end": "1971-03-29T02:37:50.032826+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0010.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0010",
+  "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": {
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+    "end": "1971-03-29T19:04:10.047913Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0010",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0010.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": {
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+    "u_hat": [
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+      -0.19670379245154687
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0010.",
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+    "crowd_n_samples": 738
+  },
+  "provenance": {
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+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-29T00:00:00Z_1971-03-30T00:00:00Z/by_chunks/chunk_1971-03-29T19_00_00Z_1971-03-29T19_05_00Z.csv",
+      "person_track_id": "0db53cf0c669",
+      "window_start": "1971-03-29T19:04:00.047913+00:00",
+      "window_end": "1971-03-29T19:04:10.047913+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0011.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0011",
+  "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": "1971-03-22T01:58:45.047347Z",
+    "end": "1971-03-22T01:58:55.047347Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0011",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0011.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": {
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+    "u_hat": [
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+      -0.332573935289993
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0011.",
+    "score": 2.983493768043851,
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+    "subject_displacement_m": 6.538626097375488,
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+    "crowd_n_samples": 699
+  },
+  "provenance": {
+    "generator": {
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+    "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_1971-03-22T01_55_00Z_1971-03-22T02_00_00Z.csv",
+      "person_track_id": "d06ad0a211d2",
+      "window_start": "1971-03-22T01:58:45.047347+00:00",
+      "window_end": "1971-03-22T01:58:55.047347+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0012.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0012",
+  "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": "1971-03-07T17:22:20.054478Z",
+    "end": "1971-03-07T17:22:30.054478Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0012",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0012.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": {
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+    "u_hat": [
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0012.",
+    "score": 2.989248128709715,
+    "rerank_score": 5.425746413806406,
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+    "subject_duration_s": 5.000391,
+    "crowd_n_other_tracks": 6,
+    "crowd_n_samples": 597
+  },
+  "provenance": {
+    "generator": {
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+      "version": "0.2.0"
+    },
+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-07T00:00:00Z_1971-03-08T00:00:00Z/by_chunks/chunk_1971-03-07T17_20_00Z_1971-03-07T17_25_00Z.csv",
+      "person_track_id": "da6586046df4",
+      "window_start": "1971-03-07T17:22:20.054478+00:00",
+      "window_end": "1971-03-07T17:22:30.054478+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0013.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0013",
+  "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": "1971-03-08T06:12:45.048478Z",
+    "end": "1971-03-08T06:12:55.048478Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0013",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0013.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": {
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+    "u_hat": [
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+      0.9999619488784127
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0013.",
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+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-08T00:00:00Z_1971-03-09T00:00:00Z/by_chunks/chunk_1971-03-08T06_10_00Z_1971-03-08T06_15_00Z.csv",
+      "person_track_id": "08bba5efa420",
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+      "window_end": "1971-03-08T06:12:55.048478+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0014.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0014",
+  "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": {
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+    "end": "1971-03-29T19:03:05.047913Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0014",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0014.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."
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+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-29T00:00:00Z_1971-03-30T00:00:00Z/by_chunks/chunk_1971-03-29T19_00_00Z_1971-03-29T19_05_00Z.csv",
+      "person_track_id": "4305ac75f32e",
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+      "window_end": "1971-03-29T19:03:05.047913+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0015.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0015",
+  "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."
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+    "end": "1971-03-27T22:46:40.081521Z",
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0015",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0015.tracks.csv",
+    "timestamp_field": "timestamp",
+    "track_id_field": "person_track_id",
+    "coordinate_frame": "layout_xy_meters",
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+  "metadata": {
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+    "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_1971-03-27T22_45_00Z_1971-03-27T22_50_00Z.csv",
+      "person_track_id": "35afe1a479ba",
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+      "window_end": "1971-03-27T22:46:40.081521+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
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+}

benchmark/cross_flow/scenes/cross_flow.cf_0016.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0016",
+  "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": {
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+    "end": "1971-03-28T05:52:45.036260Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0016",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0016.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."
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+  "provenance": {
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T05_50_00Z_1971-03-28T05_55_00Z.csv",
+      "person_track_id": "bb1b5a1bdbfc",
+      "window_start": "1971-03-28T05:52:35.036260+00:00",
+      "window_end": "1971-03-28T05:52:45.036260+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0017.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0017",
+  "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": {
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+    "end": "1971-03-21T00:27:25.076043Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0017",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0017.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."
+  },
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+  "metadata": {
+    "task_type": "cross_flow",
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+    "source": {
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+      "person_track_id": "28a95cd3c9fc",
+      "window_start": "1971-03-21T00:27:15.076043+00:00",
+      "window_end": "1971-03-21T00:27:25.076043+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0018.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0018",
+  "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": "1971-03-22T20:55:05.053695Z",
+    "end": "1971-03-22T20:55:15.053695Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0018",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0018.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0018.",
+    "score": 3.0725690520317976,
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+  "provenance": {
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+    "source": {
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+      "person_track_id": "798c1ba169bc",
+      "window_start": "1971-03-22T20:55:05.053695+00:00",
+      "window_end": "1971-03-22T20:55:15.053695+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0019.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0019",
+  "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": "1971-03-28T16:24:35.004565Z",
+    "end": "1971-03-28T16:24:45.004565Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0019",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0019.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": {
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0019.",
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+    "crowd_n_samples": 674
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+  "provenance": {
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+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T16_20_00Z_1971-03-28T16_25_00Z.csv",
+      "person_track_id": "0c481b4378c1",
+      "window_start": "1971-03-28T16:24:35.004565+00:00",
+      "window_end": "1971-03-28T16:24:45.004565+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0020.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_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": {
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+    "end": "1971-03-20T18:01:50.003913Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0020",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_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": {
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+    "u_hat": [
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0020.",
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+    "crowd_n_other_tracks": 4,
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+  "provenance": {
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+      "version": "0.2.0"
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+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-20T00:00:00Z_1971-03-21T00:00:00Z/by_chunks/chunk_1971-03-20T18_00_00Z_1971-03-20T18_05_00Z.csv",
+      "person_track_id": "c687ee58a4f0",
+      "window_start": "1971-03-20T18:01:40.003913+00:00",
+      "window_end": "1971-03-20T18:01:50.003913+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0021.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0021",
+  "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": "1971-03-20T22:05:50.045000Z",
+    "end": "1971-03-20T22:06:00.045000Z",
+    "duration_s": 10.0
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+    "tracking_id": "cross_flow.cf_0021",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0021.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."
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+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-20T00:00:00Z_1971-03-21T00:00:00Z/by_chunks/chunk_1971-03-20T22_05_00Z_1971-03-20T22_10_00Z.csv",
+      "person_track_id": "a973e81fe9fb",
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+      "window_end": "1971-03-20T22:06:00.045000+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0022.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0022",
+  "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."
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+  "window": {
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+    "end": "1971-03-29T03:47:15.056434Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0022",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0022.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."
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+      "person_track_id": "c52f8ce02ae6",
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+      "window_end": "1971-03-29T03:47:15.056434+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0023.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0023",
+  "layout": {
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+    "path": "../layouts/s2016.layout.simplified.json",
+    "coordinate_frame": "layout_xy_meters",
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+    "end": "1971-03-04T06:23:05.070130Z",
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0023",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0023.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."
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+  "metadata": {
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+    "source": {
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+      "person_track_id": "04f7186a4059",
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+      "window_end": "1971-03-04T06:23:05.070130+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0024.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0024",
+  "layout": {
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+    "path": "../layouts/s2016.layout.simplified.json",
+    "coordinate_frame": "layout_xy_meters",
+    "notes": "Scene geometry is expressed in the referenced layout frame."
+  },
+  "window": {
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+    "end": "1971-03-28T07:36:45.099173Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0024",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0024.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."
+  },
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+  "metadata": {
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+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T07_35_00Z_1971-03-28T07_40_00Z.csv",
+      "person_track_id": "b50336e43b86",
+      "window_start": "1971-03-28T07:36:35.099173+00:00",
+      "window_end": "1971-03-28T07:36:45.099173+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0025.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0025",
+  "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": {
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+    "end": "1971-03-21T01:29:39.953130Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0025",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0025.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": {
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+      "person_track_id": "da26ace98435",
+      "window_start": "1971-03-21T01:29:29.953130+00:00",
+      "window_end": "1971-03-21T01:29:39.953130+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0026.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0026",
+  "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": {
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+    "end": "1971-03-09T01:08:20.066391Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0026",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0026.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0026.",
+    "score": 3.0261799407833667,
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+    "crowd_n_samples": 498
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+  "provenance": {
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+    "source": {
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+      "person_track_id": "38826692da1c",
+      "window_start": "1971-03-09T01:08:10.066391+00:00",
+      "window_end": "1971-03-09T01:08:20.066391+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0027.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0027",
+  "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": {
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+    "end": "1971-03-27T17:09:45.038608Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0027",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0027.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."
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0027.",
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+  "provenance": {
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+    "source": {
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+      "person_track_id": "d7dc5008e84f",
+      "window_start": "1971-03-27T17:09:35.038608+00:00",
+      "window_end": "1971-03-27T17:09:45.038608+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0028.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0028",
+  "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": {
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+    "end": "1971-03-27T04:54:25.042782Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0028",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0028.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."
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+  "metadata": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0028.",
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+      "person_track_id": "32ff396988d6",
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+      "window_end": "1971-03-27T04:54:25.042782+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0029.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0029",
+  "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": "1971-03-21T23:02:00.087695Z",
+    "end": "1971-03-21T23:02:10.087695Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0029",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0029.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": {
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+      0.02198717055440507
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0029.",
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-21T00:00:00Z_1971-03-22T00:00:00Z/by_chunks/chunk_1971-03-21T23_00_00Z_1971-03-21T23_05_00Z.csv",
+      "person_track_id": "31e9e567cc92",
+      "window_start": "1971-03-21T23:02:00.087695+00:00",
+      "window_end": "1971-03-21T23:02:10.087695+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0030.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0030",
+  "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": {
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+    "end": "1971-03-02T03:56:35.089695Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0030",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0030.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": {
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+    "source": {
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+      "person_track_id": "44f0aac199b6",
+      "window_start": "1971-03-02T03:56:25.089695+00:00",
+      "window_end": "1971-03-02T03:56:35.089695+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0031.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0031",
+  "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": {
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+    "end": "1971-03-27T20:54:00.072695Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0031",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0031.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": {
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+      0.0627607382043153
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+  "metadata": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0031.",
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+    "crowd_n_samples": 574
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+  "provenance": {
+    "generator": {
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+    "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_1971-03-27T20_50_00Z_1971-03-27T20_55_00Z.csv",
+      "person_track_id": "05678137a12a",
+      "window_start": "1971-03-27T20:53:50.072695+00:00",
+      "window_end": "1971-03-27T20:54:00.072695+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0032.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0032",
+  "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": "1971-03-27T23:51:05.089521Z",
+    "end": "1971-03-27T23:51:15.089521Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0032",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0032.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0032.",
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+  "provenance": {
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+    "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_1971-03-27T23_50_00Z_1971-03-27T23_55_00Z.csv",
+      "person_track_id": "2f90aeb8aff0",
+      "window_start": "1971-03-27T23:51:05.089521+00:00",
+      "window_end": "1971-03-27T23:51:15.089521+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0033.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0033",
+  "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": {
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+    "end": "1971-03-29T19:18:55.011347Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0033",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0033.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": {
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0033.",
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+  "provenance": {
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+    "source": {
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+      "person_track_id": "b0b7d458cfd3",
+      "window_start": "1971-03-29T19:18:45.011347+00:00",
+      "window_end": "1971-03-29T19:18:55.011347+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0034.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0034",
+  "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": {
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+    "end": "1971-03-20T04:09:45.020260Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0034",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0034.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": {
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+    "u_hat": [
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0034.",
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+    "crowd_n_samples": 619
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+  "provenance": {
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+    "source": {
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+      "person_track_id": "8096f767efac",
+      "window_start": "1971-03-20T04:09:35.020260+00:00",
+      "window_end": "1971-03-20T04:09:45.020260+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0035.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0035",
+  "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": "1971-03-27T20:37:45.004608Z",
+    "end": "1971-03-27T20:37:55.004608Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0035",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0035.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."
+  },
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0035.",
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+  "provenance": {
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+    "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_1971-03-27T20_35_00Z_1971-03-27T20_40_00Z.csv",
+      "person_track_id": "f279899e3e56",
+      "window_start": "1971-03-27T20:37:45.004608+00:00",
+      "window_end": "1971-03-27T20:37:55.004608+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0036.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0036",
+  "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": "1971-03-27T19:07:25.074652Z",
+    "end": "1971-03-27T19:07:35.074652Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0036",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0036.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": {
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+    "u_hat": [
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+      -0.9978779088118166
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0036.",
+    "score": 3.0084549233169517,
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+    "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_1971-03-27T19_05_00Z_1971-03-27T19_10_00Z.csv",
+      "person_track_id": "47314f260d9c",
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+      "window_end": "1971-03-27T19:07:35.074652+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0037.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0037",
+  "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": "1971-03-27T04:57:50.060913Z",
+    "end": "1971-03-27T04:58:00.060913Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0037",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0037.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": {
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+      -0.9884374851843699
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+  "metadata": {
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+      "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_1971-03-27T04_55_00Z_1971-03-27T05_00_00Z.csv",
+      "person_track_id": "7f8d5b2cd3c9",
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+      "window_end": "1971-03-27T04:58:00.060913+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0038.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0038",
+  "layout": {
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+    "path": "../layouts/s2016.layout.simplified.json",
+    "coordinate_frame": "layout_xy_meters",
+    "notes": "Scene geometry is expressed in the referenced layout frame."
+  },
+  "window": {
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+    "end": "1971-03-05T23:07:55.089391Z",
+    "duration_s": 10.0
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+  "tracking": {
+    "tracking_id": "cross_flow.cf_0038",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0038.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": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0038.",
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-05T00:00:00Z_1971-03-06T00:00:00Z/by_chunks/chunk_1971-03-05T23_05_00Z_1971-03-05T23_10_00Z.csv",
+      "person_track_id": "1199165e2fa2",
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+      "window_end": "1971-03-05T23:07:55.089391+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0039.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_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": {
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+    "end": "1971-03-28T19:15:45.015565Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0039",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_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": {
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+  "metadata": {
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+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0039.",
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+  "provenance": {
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T19_15_00Z_1971-03-28T19_20_00Z.csv",
+      "person_track_id": "6e03fdd06473",
+      "window_start": "1971-03-28T19:15:35.015565+00:00",
+      "window_end": "1971-03-28T19:15:45.015565+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0040.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_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": "1971-03-03T23:55:45.021608Z",
+    "end": "1971-03-03T23:55:55.021608Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0040",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_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": {
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+    "u_hat": [
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+      -0.9983359287313243
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+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0040.",
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+  "provenance": {
+    "generator": {
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-03T00:00:00Z_1971-03-04T00:00:00Z/by_chunks/chunk_1971-03-03T23_55_00Z_1971-03-04T00_00_00Z.csv",
+      "person_track_id": "c33acdd8b818",
+      "window_start": "1971-03-03T23:55:45.021608+00:00",
+      "window_end": "1971-03-03T23:55:55.021608+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0041.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0041",
+  "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": "1971-03-21T20:42:10.044304Z",
+    "end": "1971-03-21T20:42:20.044304Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0041",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0041.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": {
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+    "u_hat": [
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+      0.9997496254536362
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0041.",
+    "score": 3.1481575097679193,
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+    "crowd_n_other_tracks": 4,
+    "crowd_n_samples": 264
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+  "provenance": {
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+      "version": "0.2.0"
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+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-21T00:00:00Z_1971-03-22T00:00:00Z/by_chunks/chunk_1971-03-21T20_40_00Z_1971-03-21T20_45_00Z.csv",
+      "person_track_id": "c5dbe15e4a6d",
+      "window_start": "1971-03-21T20:42:10.044304+00:00",
+      "window_end": "1971-03-21T20:42:20.044304+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0042.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0042",
+  "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": "1971-03-23T01:41:15.041304Z",
+    "end": "1971-03-23T01:41:25.041304Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0042",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0042.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": {
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+    "u_hat": [
+      -0.028038567448673325,
+      -0.9996068420811385
+    ]
+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0042.",
+    "score": 3.001871203587443,
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+    "crowd_n_samples": 649
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+  "provenance": {
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+      "version": "0.2.0"
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+    "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_1971-03-23T01_40_00Z_1971-03-23T01_45_00Z.csv",
+      "person_track_id": "38d1ead837fb",
+      "window_start": "1971-03-23T01:41:15.041304+00:00",
+      "window_end": "1971-03-23T01:41:25.041304+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0043.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_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": "1971-03-28T19:26:40.052695Z",
+    "end": "1971-03-28T19:26:50.052695Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0043",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_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": {
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+    "u_hat": [
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+      -0.8701295822602392
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0043.",
+    "score": 3.0650280265784744,
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+    "difficulty_score_raw": 0.5580623895665007,
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+    "heading_diff_deg": 100.62012554307915,
+    "subject_displacement_m": 5.369757582722489,
+    "subject_duration_s": 9.90074,
+    "crowd_n_other_tracks": 5,
+    "crowd_n_samples": 246
+  },
+  "provenance": {
+    "generator": {
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+      "version": "0.2.0"
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+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-28T00:00:00Z_1971-03-29T00:00:00Z/by_chunks/chunk_1971-03-28T19_25_00Z_1971-03-28T19_30_00Z.csv",
+      "person_track_id": "3d4e2ea28fa3",
+      "window_start": "1971-03-28T19:26:40.052695+00:00",
+      "window_end": "1971-03-28T19:26:50.052695+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0044.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0044",
+  "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": "1971-03-03T19:40:55.057434Z",
+    "end": "1971-03-03T19:41:05.057434Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0044",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0044.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."
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0044.",
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+    "subject_displacement_m": 8.854254942960306,
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+  "provenance": {
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+      "version": "0.2.0"
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+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-03T00:00:00Z_1971-03-04T00:00:00Z/by_chunks/chunk_1971-03-03T19_40_00Z_1971-03-03T19_45_00Z.csv",
+      "person_track_id": "2a13749d52c4",
+      "window_start": "1971-03-03T19:40:55.057434+00:00",
+      "window_end": "1971-03-03T19:41:05.057434+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0045.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0045",
+  "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": "1971-03-03T19:40:55.057434Z",
+    "end": "1971-03-03T19:41:05.057434Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0045",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0045.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": {
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+      3.894540084020983
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+    "u_hat": [
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+      -0.7148431215921395
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0045.",
+    "score": 3.004106882807425,
+    "rerank_score": 5.439038187746714,
+    "crossness": 0.9986470248829428,
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+    "subject_displacement_m": 7.543459241775028,
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+    "crowd_n_samples": 343
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+  "provenance": {
+    "generator": {
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+    "source": {
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+      "person_track_id": "dd6bed7982a3",
+      "window_start": "1971-03-03T19:40:55.057434+00:00",
+      "window_end": "1971-03-03T19:41:05.057434+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}

benchmark/cross_flow/scenes/cross_flow.cf_0046.scene.json

@@ -0,0 +1,66 @@
+{
+  "schema_version": "0.3",
+  "scene_id": "cross_flow.cf_0046",
+  "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": "1971-03-03T19:40:55.057434Z",
+    "end": "1971-03-03T19:41:05.057434Z",
+    "duration_s": 10.0
+  },
+  "tracking": {
+    "tracking_id": "cross_flow.cf_0046",
+    "format": "csv",
+    "path": "../tracks/cross_flow.cf_0046.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": {
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+      4.468060107876408
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+    "u_hat": [
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+      0.7005219479725249
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+  },
+  "metadata": {
+    "task_type": "cross_flow",
+    "description": "Cross-flow benchmark scene exported from mined human candidate cf_0046.",
+    "score": 3.02193211125786,
+    "rerank_score": 5.457943969251018,
+    "crossness": 0.9999252326899356,
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+    "difficulty_score_raw": 0.6684846005985685,
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+    "difficulty_category": "hard",
+    "difficulty_rank_within_category": 3,
+    "heading_diff_deg": 89.29935792464698,
+    "subject_displacement_m": 6.686397903178103,
+    "subject_duration_s": 7.500608,
+    "crowd_n_other_tracks": 5,
+    "crowd_n_samples": 348
+  },
+  "provenance": {
+    "generator": {
+      "name": "build_crossflow_benchmark",
+      "version": "0.2.0"
+    },
+    "generated_at": null,
+    "source": {
+      "chunk_file": "/Volumes/Evenflow/tracks/clean/sc.s2016/tracking_data_research.sc.s2016_1971-03-03T00:00:00Z_1971-03-04T00:00:00Z/by_chunks/chunk_1971-03-03T19_40_00Z_1971-03-03T19_45_00Z.csv",
+      "person_track_id": "b133780bf744",
+      "window_start": "1971-03-03T19:40:55.057434+00:00",
+      "window_end": "1971-03-03T19:41:05.057434+00:00",
+      "candidates_csv": "out/cf_clean/s2016_crossflow_humans_with_difficulty.csv"
+    }
+  }
+}