{
  "name": "SurgSync",
  "schema_version": "1.0.0",
  "data_version": "1.0",
  "release_option": "B",
  "created_at_utc": "2026-05-24T02:36:14.099143+00:00",
  "modalities": {
    "video": [
      "stereo_left",
      "stereo_right",
      "side"
    ],
    "preprocess": [
      "depth",
      "flow_left",
      "flow_right",
      "heatmap_PSM1_left",
      "heatmap_PSM1_right",
      "heatmap_PSM2_left",
      "heatmap_PSM2_right"
    ],
    "state": [
      "ECM",
      "PSM1",
      "PSM2"
    ],
    "action": [
      "PSM1",
      "PSM2"
    ],
    "annotation": [
      "contact",
      "gesture",
      "phase",
      "step"
    ]
  },
  "conventions": {
    "master_clock": "stereo_left_capture_ros_header_stamp",
    "alignment_policy": "nearest_neighbor_within_tolerance",
    "alignment_tol_ms": {
      "online": 2.0,
      "offline": {
        "image_side": 33.0,
        "kinematic": "1000/source_frequency_hz"
      }
    },
    "frame_index_basis": "master_clock",
    "quaternion_order": "xyzw",
    "length_unit": "m",
    "angle_unit": "rad",
    "image_size_raw": [
      1920,
      1080
    ],
    "image_size_postprocess": [
      512,
      288
    ],
    "bimanual_action_concat": false,
    "image_normalization": "imagenet"
  },
  "pipeline_versions": {
    "rectify_resize": null,
    "kinematic_handeye": null,
    "depth_estimation": null,
    "optical_flow_raft": null
  },
  "tasks": [
    "cold_cut_dissection",
    "cold_cut_dissection_intestine",
    "cold_cut_dissection_skin_peel",
    "peg_transfer",
    "single_interrupted_stitch",
    "tissue_manipulation"
  ],
  "tasks_jsonl_path": "meta/tasks.jsonl",
  "episodes_index_path": "meta/episodes.parquet",
  "frames_index_path": "meta/index.parquet",
  "manifest_path": "meta/manifest.json"
}