{
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    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 26,
    "num_radar_detections": 25,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
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      "note": null
    },
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  },
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 25,
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      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_05": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 20,
    "num_radar_detections": 20,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
        0,
        20
      ],
      "radar_detection_range": [
        0,
        20
      ],
      "note": null
    },
    "notes": null
  },
  "Position_06": {
    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_07": {
    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 4,
    "frame_alignment": {
      "aligned": false,
      "camera_frame_range": null,
      "radar_detection_range": null,
      "note": "camera (21) and radar (4) counts differ by 17, too large to attribute to acquisition start/stop timing alone (likely radar detection dropouts/extra detections rather than a simple offset); left unaligned."
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
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      ],
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      ],
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    },
    "notes": null
  },
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    "annotated": false,
    "valid_for_reconstruction": false,
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    "frame_alignment": {
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      "camera_frame_range": [
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      ],
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      ],
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    },
    "notes": null
  },
  "Position_13": {
    "annotated": true,
    "valid_for_reconstruction": false,
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    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
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      ],
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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    "notes": null
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": false,
    "valid_for_reconstruction": false,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": false,
    "valid_for_reconstruction": false,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
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      ],
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    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
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      ],
      "note": null
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    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
        0,
        21
      ],
      "radar_detection_range": [
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_21": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_22": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_23": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_24": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 17,
    "frame_alignment": {
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      "camera_frame_range": [
        2,
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      ],
      "radar_detection_range": [
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        17
      ],
      "note": null
    },
    "notes": null
  },
  "Position_25": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
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    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 22,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_27": {
    "annotated": true,
    "valid_for_reconstruction": true,
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    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_28": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 20,
    "frame_alignment": {
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      "camera_frame_range": [
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        20
      ],
      "radar_detection_range": [
        0,
        20
      ],
      "note": null
    },
    "notes": null
  },
  "Position_29": {
    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 21,
    "num_radar_detections": 23,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
        0,
        21
      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_30": {
    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 21,
    "num_radar_detections": 39,
    "frame_alignment": {
      "aligned": false,
      "camera_frame_range": null,
      "radar_detection_range": null,
      "note": "camera (21) and radar (39) counts differ by -18, too large to attribute to acquisition start/stop timing alone (likely radar detection dropouts/extra detections rather than a simple offset); left unaligned."
    },
    "notes": null
  },
  "Position_31": {
    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
        0,
        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_32": {
    "annotated": true,
    "valid_for_reconstruction": false,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_33": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_34": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 19,
    "frame_alignment": {
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      "camera_frame_range": [
        1,
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      ],
      "radar_detection_range": [
        0,
        19
      ],
      "note": null
    },
    "notes": null
  },
  "Position_35": {
    "annotated": false,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
      "aligned": true,
      "camera_frame_range": [
        0,
        21
      ],
      "radar_detection_range": [
        0,
        21
      ],
      "note": null
    },
    "notes": "Listed as valid_for_reconstruction in the legacy hardcoded list despite having no annotation; preserved verbatim from caracto/reconstruction/scene_reconstruction.py (commit edcd9cb) for audit fidelity. Has no practical effect since annotation-based filtering is applied first by CalibrationSetup."
  },
  "Position_36": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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        21
      ],
      "radar_detection_range": [
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_37": {
    "annotated": true,
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    "frame_alignment": {
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      "camera_frame_range": [
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        21
      ],
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        21
      ],
      "note": null
    },
    "notes": null
  },
  "Position_38": {
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    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
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    "frame_alignment": {
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      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_39": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 22,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
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      ],
      "note": null
    },
    "notes": null
  },
  "Position_40": {
    "annotated": true,
    "valid_for_reconstruction": true,
    "num_camera_frames": 21,
    "num_radar_detections": 21,
    "frame_alignment": {
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      "camera_frame_range": [
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      ],
      "radar_detection_range": [
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      ],
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    },
    "notes": null
  }
}