samples/-A4uygdLv4A_149.3_156.4/scene.json

{
  "id": "-A4uygdLv4A_149.3_156.4",
  "fps": 15.254237288135567,
  "duration": 7.0800000000000125,
  "video_source": {
    "type": "youtube",
    "youtube_id": "-A4uygdLv4A",
    "start_seconds": 149.28,
    "end_seconds": 156.36,
    "url": "https://youtube.com/watch?v=-A4uygdLv4A&t=149",
    "embed_blocked": false
  },
  "action100m_metadata": {
    "action_brief": "Place cooked meat on grill",
    "action_detailed": "Pick up the cooked chicken with the spatula and place it onto the small grill.",
    "actor": "The woman wearing a red shirt and a white apron",
    "summary": "Standing at a kitchen counter with plates of cooked meat and a small electric grill visible, the woman in a red shirt and white apron lifts a golden\u2011brown chicken slice with a spatula (fork\u2011shaped) and puts it onto the hot grill surface while the green wall, wooden cabinets and window with blinds remain in the background.",
    "video_title": "Chicken, Bacon, and Avocado Panini with Chipotle Aioli - Cuisinart Griddler GR-4N",
    "video_duration": 487.0,
    "segment_id": 11451795,
    "level": 6,
    "favorited_at": "2026-05-10T01:15:12",
    "source_dataset": "Action100M",
    "license": "fair-noncommercial-research-license-v1"
  },
  "camera": {
    "focal": 779.767981633544,
    "cx": 426.5,
    "cy": 240.0,
    "width": 853,
    "height": 480,
    "gravity_up": [
      -0.008913501165807247,
      -0.9942611455917358,
      -0.10660803318023682
    ]
  },
  "reconstruction": {
    "hand_joints": "hand_joints.bin",
    "hand_joints_2d": "hand_joints_2d.bin",
    "hand_verts": "hand_verts.bin",
    "hand_faces": "hand_faces.bin",
    "hand_meta": "hand_meta.json",
    "objects": [
      {
        "id": 0,
        "prompt": "grill",
        "color_hex": "#d97757",
        "ply": "objects/obj_0.ply",
        "n_points": 41932,
        "scale_correction": 0.43669137358665466,
        "tracker_ok": true,
        "canonical_translation": [
          -0.3006320595741272,
          -0.2377607822418213,
          1.090826392173767
        ],
        "canonical_rotation_quat": [
          0.053146202117204666,
          0.046020179986953735,
          0.7220109701156616,
          0.688300609588623
        ],
        "canonical_scale": 0.43669137358665466
      },
      {
        "id": 1,
        "prompt": "white plate",
        "color_hex": "#6a9460",
        "ply": "objects/obj_1.ply",
        "n_points": 43352,
        "scale_correction": 0.18690621852874756,
        "tracker_ok": true,
        "canonical_translation": [
          0.023983489722013474,
          -0.25577184557914734,
          1.1274306774139404
        ],
        "canonical_rotation_quat": [
          0.13108520209789276,
          0.13181418180465698,
          0.7410357594490051,
          0.645219087600708
        ],
        "canonical_scale": 0.18690621852874756
      },
      {
        "id": 2,
        "prompt": "white plate",
        "color_hex": "#5a7daa",
        "ply": "objects/obj_2.ply",
        "n_points": 34172,
        "scale_correction": 0.21793389320373535,
        "tracker_ok": true,
        "canonical_translation": [
          0.09670180827379227,
          -0.22771823406219482,
          1.2705477476119995
        ],
        "canonical_rotation_quat": [
          0.07699820399284363,
          0.09042966365814209,
          0.7496992945671082,
          0.6510335803031921
        ],
        "canonical_scale": 0.21793389320373535
      },
      {
        "id": 3,
        "prompt": "bacon",
        "color_hex": "#c89968",
        "ply": "objects/obj_3.ply",
        "n_points": 42160,
        "scale_correction": 0.13277482986450195,
        "tracker_ok": true,
        "canonical_translation": [
          -0.3839854598045349,
          -0.11760910600423813,
          1.2610270977020264
        ],
        "canonical_rotation_quat": [
          0.9220110774040222,
          -0.24967534840106964,
          -0.2941834628582001,
          0.031840819865465164
        ],
        "canonical_scale": 0.13277482986450195
      }
    ],
    "object_pose_traj": "object_pose.bin",
    "object_pose_shape": [
      108,
      4,
      4,
      4
    ],
    "object_obb": "object_obb.bin",
    "object_obb_shape": [
      4,
      8,
      3
    ],
    "depth_video": "depth.mp4",
    "flow_video": "flow.mp4",
    "mask_video": "mask.mp4",
    "signals": "signals.json",
    "thumb": "thumb.jpg",
    "raw": {
      "depth_npz": "depth.npz",
      "depth_unit": "millimeter",
      "depth_dtype": "uint16",
      "depth_shape": [
        108,
        480,
        853
      ],
      "masks_npz": "masks.npz",
      "masks_meta": {
        "shape": [
          108,
          480,
          853
        ],
        "oids": [
          0,
          1,
          2,
          3
        ],
        "decode": "np.unpackbits(arr[oid_K][t])[: H*W].reshape(H, W).astype(bool)"
      },
      "bg_template": "bg_template.png",
      "pose_track": "pose_track.json"
    }
  },
  "stats": {
    "n_frames": 108,
    "n_objects": 4,
    "has_grasp": false,
    "mean_trust": null,
    "mean_iou": null,
    "sam3_quality": 0.8789135329101725
  },
  "tracking_summary": {
    "0": {
      "path": null,
      "anchor_fitness": null,
      "median_chamfer_mm": null,
      "mean_iou": null,
      "grasp_rate": 0.0,
      "trust_rate": 0.0,
      "tracking_status": "ok",
      "state_counts": {
        "static": 108,
        "grasped_l": 0,
        "grasped_r": 0,
        "grasped_both": 0,
        "moving": 0
      },
      "state_fractions": {
        "static": 1.0,
        "grasped": 0.0,
        "moving": 0.0
      },
      "is_static_global": true,
      "n_state_frames": 108
    },
    "1": {
      "path": null,
      "anchor_fitness": null,
      "median_chamfer_mm": null,
      "mean_iou": null,
      "grasp_rate": 0.0,
      "trust_rate": 0.0,
      "tracking_status": "ok",
      "state_counts": {
        "static": 108,
        "grasped_l": 0,
        "grasped_r": 0,
        "grasped_both": 0,
        "moving": 0
      },
      "state_fractions": {
        "static": 1.0,
        "grasped": 0.0,
        "moving": 0.0
      },
      "is_static_global": true,
      "n_state_frames": 108
    },
    "2": {
      "path": null,
      "anchor_fitness": null,
      "median_chamfer_mm": null,
      "mean_iou": null,
      "grasp_rate": 0.0,
      "trust_rate": 0.0,
      "tracking_status": "ok",
      "state_counts": {
        "static": 108,
        "grasped_l": 0,
        "grasped_r": 0,
        "grasped_both": 0,
        "moving": 0
      },
      "state_fractions": {
        "static": 1.0,
        "grasped": 0.0,
        "moving": 0.0
      },
      "is_static_global": true,
      "n_state_frames": 108
    },
    "3": {
      "path": null,
      "anchor_fitness": null,
      "median_chamfer_mm": null,
      "mean_iou": null,
      "grasp_rate": 0.0,
      "trust_rate": 0.08333333333333333,
      "tracking_status": "ok",
      "state_counts": {
        "static": 16,
        "grasped_l": 9,
        "grasped_r": 74,
        "grasped_both": 0,
        "moving": 9
      },
      "state_fractions": {
        "static": 0.14814814814814814,
        "grasped": 0.0,
        "moving": 0.08333333333333333
      },
      "is_static_global": false,
      "n_state_frames": 108
    }
  },
  "_license": "This sample is a derivative work of Action100M and is distributed under FAIR Noncommercial Research License v1. See LICENSE-Action100M for terms."
}