Prepare H2O shared-v1.1 migration (private PR)

H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/keypoints/xyz_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/mano/motion.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/mano/motion_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/object/cappuccino/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/object/cappuccino/keypoints/xyz_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/object/cappuccino/pose.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/annotation/object/cappuccino/pose_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/camera/extrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/camera/extrinsic_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/camera/intrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/camera/intrinsic_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam0/metainfo.json

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-{
-  "schema_version": "hand-warehouse/1.0",
-  "dataset_id": "H2O",
-  "release_id": "shared-v1.0",
-  "sequence_id": "subject1_h1_0",
-  "camera_id": "cam0",
-  "sample_type": "video",
-  "num_frames": 450,
-  "hand_slots": [
-    "left",
-    "right"
-  ],
-  "sampling": {
-    "type": "dense",
-    "source_fps": null,
-    "frames_ref": "camera/frames.jsonl",
-    "selection": {
-      "max_frames": null,
-      "views": null
-    }
-  },
-  "camera": {
-    "model": "pinhole",
-    "schema_id": "camera/pinhole/v1",
-    "image_size": [
-      1280,
-      720
-    ]
-  },
-  "components": {
-    "rgb": {
-      "available": true,
-      "schema_id": "rgb/uint8/v1",
-      "data_ref": "observation/rgb.mkv",
-      "axes": [
-        "T",
-        "height",
-        "width",
-        "channel"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Verified source packet copy or lossless fixed-decoder RGB encoding"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl"
-      },
-      "storage": {
-        "profile": "mkv/ffv1_rgb/v1",
-        "codec": "ffv1",
-        "pixel_format": "bgr0",
-        "encoded_size": [
-          1280,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "gbr",
-          "color_range": "pc",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown",
-          "source_color_metadata": {
-            "color_space": "gbr",
-            "color_range": "pc",
-            "color_primaries": "unknown",
-            "color_transfer": "unknown"
-          }
-        },
-        "encoder_parameters": {
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [
-            "-level",
-            "3",
-            "-pix_fmt",
-            "bgr0"
-          ],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
-      },
-      "valid_ref": "observation/rgb_valid.pt",
-      "valid_axes": [
-        "T"
-      ]
-    },
-    "intrinsic": {
-      "available": true,
-      "schema_id": "camera/pinhole/v1",
-      "data_ref": "camera/intrinsic.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/subject1_v1_1.tar.gz",
-        "member": "subject1/h1/0/cam0/cam_intrinsics.txt",
-        "sha256": "93539ea3504778f08dbd4c62d091665eea07ea6f74a15aa820e3bd4489ce017f"
-      },
-      "valid_ref": "camera/intrinsic_valid.pt",
-      "valid_axes": [
-        "T"
-      ]
-    },
-    "extrinsic": {
-      "available": true,
-      "schema_id": "transform/se3/v1",
-      "data_ref": "camera/extrinsic.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "camera/extrinsic_valid.pt",
-      "valid_axes": [
-        "T"
-      ],
-      "convention": "T_camera_from_world",
-      "source_convention": "T_world_from_camera"
-    },
-    "mano": {
-      "available": true,
-      "schema_id": "mano/axis_angle61/v1",
-      "data_ref": "annotation/mano/motion.pt",
-      "axes": [
-        "T",
-        "hand",
-        "parameter"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/mano/motion_valid.pt",
-      "valid_axes": [
-        "T",
-        "hand"
-      ],
-      "model_profile": {
-        "version": "sha256:eab78181e459e156559df334b103d825e00c8711d2eeffee1cc176fb42051f4f",
-        "flat_hand_mean": true,
-        "left_shapedirs_correction": "not_applied",
-        "models": {
-          "left": {
-            "file": "MANO_LEFT.pkl",
-            "sha256": "c4022f7083f2ca7c78b2b3d595abbab52debd32b09d372b16923a801f0ea6a30"
-          },
-          "right": {
-            "file": "MANO_RIGHT.pkl",
-            "sha256": "45d60aa3b27ef9107a7afd4e00808f307fd91111e1cfa35afd5c4a62de264767"
-          }
-        }
-      },
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Per-hand hand_pose_mano flag equals 1; corresponding side model available",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "hand"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "keypoints_xyz": {
-      "available": true,
-      "schema_id": "keypoints/xyz/v1",
-      "data_ref": "annotation/keypoints/xyz.pt",
-      "axes": [
-        "T",
-        "hand",
-        "keypoint",
-        "coordinate"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/keypoints/xyz_valid.pt",
-      "valid_axes": [
-        "T",
-        "hand",
-        "keypoint"
-      ],
-      "keypoint_schema": "mano21/v1",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Per-hand hand_pose flag equals 1, broadcast to that hand's 21 source points independently of MANO",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "hand",
-          "keypoint"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "pose_cappuccino": {
-      "available": true,
-      "schema_id": "object/rigid/v1",
-      "data_ref": "annotation/object/cappuccino/pose.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/object/cappuccino/pose_valid.pt",
-      "valid_axes": [
-        "T"
-      ],
-      "convention": "T_camera_from_object",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Source obj_pose_rt class equals this nonzero object class",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "points_cappuccino": {
-      "available": true,
-      "schema_id": "object_keypoints/camera/v1",
-      "data_ref": "annotation/object/cappuccino/keypoints/xyz.pt",
-      "axes": [
-        "T",
-        "keypoint",
-        "coordinate"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/object/cappuccino/keypoints/xyz_valid.pt",
-      "valid_axes": [
-        "T",
-        "keypoint"
-      ],
-      "keypoint_schema": "H2O_official_object21",
-      "keypoint_names": [
-        "center",
-        "corner_0",
-        "corner_1",
-        "corner_2",
-        "corner_3",
-        "corner_4",
-        "corner_5",
-        "corner_6",
-        "corner_7",
-        "edge_midpoint_0",
-        "edge_midpoint_1",
-        "edge_midpoint_2",
-        "edge_midpoint_3",
-        "edge_midpoint_4",
-        "edge_midpoint_5",
-        "edge_midpoint_6",
-        "edge_midpoint_7",
-        "edge_midpoint_8",
-        "edge_midpoint_9",
-        "edge_midpoint_10",
-        "edge_midpoint_11"
-      ],
-      "source_order": "official obj_point_order.jpg: center, 8 corners, 12 edge midpoints",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Source obj_pose class equals this nonzero object class, broadcast to its 21 points",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "keypoint"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "mesh_cappuccino": {
-      "available": true,
-      "schema_id": "mesh/obj/v1",
-      "data_ref": "annotation/object/cappuccino/assets/cappuccino.obj",
-      "axes": [
-        "vertex"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/object.zip",
-        "member": "object/cappuccino/cappuccino.obj"
-      },
-      "valid": true,
-      "unit": "m"
-    },
-    "depth": {
-      "available": true,
-      "schema_id": "depth/z_float32/v1",
-      "data_ref": "observation/depth.mkv",
-      "axes": [
-        "T",
-        "height",
-        "width"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources.depth",
-        "definition": "https://github.com/taeinkwon/h2oplayer/blob/main/utils.py",
-        "conversion": "registered millimetre camera-Z to metres; no viewer range clipping"
-      },
-      "storage": {
-        "profile": "mkv/depth_float32_bits/v1",
-        "codec": "ffv1",
-        "pixel_format": "gray16le",
-        "encoded_size": [
-          2560,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "unknown",
-          "color_range": "unknown",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown"
-        },
-        "encoder_parameters": {
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
-      },
-      "valid_storage": {
-        "profile": "mkv/bool_ffv1/v1",
-        "codec": "ffv1",
-        "pixel_format": "gray",
-        "encoded_size": [
-          1280,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "unknown",
-          "color_range": "unknown",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown"
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-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
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-      "valid_ref": "observation/depth_valid.mkv",
-      "valid_axes": [
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-        "height",
-        "width"
-      ],
-      "unit": "m",
-      "depth_type": "z",
-      "depth_origin": "measured",
-      "invalid_value": "NaN"
-    },
-    "segment": {
-      "available": false,
-      "reason": "H2O provides no native segmentation; rendering deferred to v2.0",
-      "status": "source_missing"
-    },
-    "relations": {
-      "available": false,
-      "reason": "No source contact/grasp annotation",
-      "status": "source_missing"
-    }
-  },
-  "split": "train",
-  "view_type": "exo",
-  "split_scheme": "official_action_split",
-  "split_source_locator": {
-    "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/label_split.zip",
-    "member": "label_split/action_train.txt",
-    "record": 5
-  }
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H2O/shared-v1.0/data/subject1_h1_0/cam1/annotation/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/annotation/mano/motion.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/annotation/object/cappuccino/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/annotation/object/cappuccino/keypoints/xyz_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/annotation/object/cappuccino/pose.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/camera/extrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/camera/intrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam1/metainfo.json

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-{
-  "schema_version": "hand-warehouse/1.0",
-  "dataset_id": "H2O",
-  "release_id": "shared-v1.0",
-  "sequence_id": "subject1_h1_0",
-  "camera_id": "cam1",
-  "sample_type": "video",
-  "num_frames": 450,
-  "hand_slots": [
-    "left",
-    "right"
-  ],
-  "sampling": {
-    "type": "dense",
-    "source_fps": null,
-    "frames_ref": "camera/frames.jsonl",
-    "selection": {
-      "max_frames": null,
-      "views": null
-    }
-  },
-  "camera": {
-    "model": "pinhole",
-    "schema_id": "camera/pinhole/v1",
-    "image_size": [
-      1280,
-      720
-    ]
-  },
-  "components": {
-    "rgb": {
-      "available": true,
-      "schema_id": "rgb/uint8/v1",
-      "data_ref": "observation/rgb.mkv",
-      "axes": [
-        "T",
-        "height",
-        "width",
-        "channel"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Verified source packet copy or lossless fixed-decoder RGB encoding"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl"
-      },
-      "storage": {
-        "profile": "mkv/ffv1_rgb/v1",
-        "codec": "ffv1",
-        "pixel_format": "bgr0",
-        "encoded_size": [
-          1280,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "gbr",
-          "color_range": "pc",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown",
-          "source_color_metadata": {
-            "color_space": "gbr",
-            "color_range": "pc",
-            "color_primaries": "unknown",
-            "color_transfer": "unknown"
-          }
-        },
-        "encoder_parameters": {
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [
-            "-level",
-            "3",
-            "-pix_fmt",
-            "bgr0"
-          ],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
-      },
-      "valid_ref": "observation/rgb_valid.pt",
-      "valid_axes": [
-        "T"
-      ]
-    },
-    "intrinsic": {
-      "available": true,
-      "schema_id": "camera/pinhole/v1",
-      "data_ref": "camera/intrinsic.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/subject1_v1_1.tar.gz",
-        "member": "subject1/h1/0/cam1/cam_intrinsics.txt",
-        "sha256": "0288c7b080a194899cbe77754dec6596d203d0c6f29d7b2fc0f85c1ddb72f046"
-      },
-      "valid_ref": "camera/intrinsic_valid.pt",
-      "valid_axes": [
-        "T"
-      ]
-    },
-    "extrinsic": {
-      "available": true,
-      "schema_id": "transform/se3/v1",
-      "data_ref": "camera/extrinsic.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "camera/extrinsic_valid.pt",
-      "valid_axes": [
-        "T"
-      ],
-      "convention": "T_camera_from_world",
-      "source_convention": "T_world_from_camera"
-    },
-    "mano": {
-      "available": true,
-      "schema_id": "mano/axis_angle61/v1",
-      "data_ref": "annotation/mano/motion.pt",
-      "axes": [
-        "T",
-        "hand",
-        "parameter"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/mano/motion_valid.pt",
-      "valid_axes": [
-        "T",
-        "hand"
-      ],
-      "model_profile": {
-        "version": "sha256:eab78181e459e156559df334b103d825e00c8711d2eeffee1cc176fb42051f4f",
-        "flat_hand_mean": true,
-        "left_shapedirs_correction": "not_applied",
-        "models": {
-          "left": {
-            "file": "MANO_LEFT.pkl",
-            "sha256": "c4022f7083f2ca7c78b2b3d595abbab52debd32b09d372b16923a801f0ea6a30"
-          },
-          "right": {
-            "file": "MANO_RIGHT.pkl",
-            "sha256": "45d60aa3b27ef9107a7afd4e00808f307fd91111e1cfa35afd5c4a62de264767"
-          }
-        }
-      },
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Per-hand hand_pose_mano flag equals 1; corresponding side model available",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "hand"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "keypoints_xyz": {
-      "available": true,
-      "schema_id": "keypoints/xyz/v1",
-      "data_ref": "annotation/keypoints/xyz.pt",
-      "axes": [
-        "T",
-        "hand",
-        "keypoint",
-        "coordinate"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/keypoints/xyz_valid.pt",
-      "valid_axes": [
-        "T",
-        "hand",
-        "keypoint"
-      ],
-      "keypoint_schema": "mano21/v1",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Per-hand hand_pose flag equals 1, broadcast to that hand's 21 source points independently of MANO",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "hand",
-          "keypoint"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "pose_cappuccino": {
-      "available": true,
-      "schema_id": "object/rigid/v1",
-      "data_ref": "annotation/object/cappuccino/pose.pt",
-      "axes": [
-        "T",
-        "row",
-        "column"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/object/cappuccino/pose_valid.pt",
-      "valid_axes": [
-        "T"
-      ],
-      "convention": "T_camera_from_object",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Source obj_pose_rt class equals this nonzero object class",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "points_cappuccino": {
-      "available": true,
-      "schema_id": "object_keypoints/camera/v1",
-      "data_ref": "annotation/object/cappuccino/keypoints/xyz.pt",
-      "axes": [
-        "T",
-        "keypoint",
-        "coordinate"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources"
-      },
-      "valid_ref": "annotation/object/cappuccino/keypoints/xyz_valid.pt",
-      "valid_axes": [
-        "T",
-        "keypoint"
-      ],
-      "keypoint_schema": "H2O_official_object21",
-      "keypoint_names": [
-        "center",
-        "corner_0",
-        "corner_1",
-        "corner_2",
-        "corner_3",
-        "corner_4",
-        "corner_5",
-        "corner_6",
-        "corner_7",
-        "edge_midpoint_0",
-        "edge_midpoint_1",
-        "edge_midpoint_2",
-        "edge_midpoint_3",
-        "edge_midpoint_4",
-        "edge_midpoint_5",
-        "edge_midpoint_6",
-        "edge_midpoint_7",
-        "edge_midpoint_8",
-        "edge_midpoint_9",
-        "edge_midpoint_10",
-        "edge_midpoint_11"
-      ],
-      "source_order": "official obj_point_order.jpg: center, 8 corners, 12 edge midpoints",
-      "unit": "m",
-      "valid_policy": {
-        "revision": "usable-annotation-2026-09-20",
-        "meaning": "annotation usable for supervision, not merely record presence",
-        "source_rule": "Source obj_pose class equals this nonzero object class, broadcast to its 21 points",
-        "source_locator": {
-          "frames_ref": "camera/frames.jsonl",
-          "source_field": "component_sources"
-        },
-        "scope": [
-          "T",
-          "keypoint"
-        ],
-        "numerical_checks": "Schema shape, finite valid floats, SE(3) where applicable; malformed input aborts",
-        "official_qa": {
-          "status": "not_provided",
-          "reason": "No separate applicable official QA in selected source inputs"
-        },
-        "local_excluded_frame_indices": [],
-        "local_exclusion_reasons": {},
-        "visibility_independent": true
-      }
-    },
-    "mesh_cappuccino": {
-      "available": true,
-      "schema_id": "mesh/obj/v1",
-      "data_ref": "annotation/object/cappuccino/assets/cappuccino.obj",
-      "axes": [
-        "vertex"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/object.zip",
-        "member": "object/cappuccino/cappuccino.obj"
-      },
-      "valid": true,
-      "unit": "m"
-    },
-    "depth": {
-      "available": true,
-      "schema_id": "depth/z_float32/v1",
-      "data_ref": "observation/depth.mkv",
-      "axes": [
-        "T",
-        "height",
-        "width"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Copy source annotation; normalize storage only"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl",
-        "source_field": "component_sources.depth",
-        "definition": "https://github.com/taeinkwon/h2oplayer/blob/main/utils.py",
-        "conversion": "registered millimetre camera-Z to metres; no viewer range clipping"
-      },
-      "storage": {
-        "profile": "mkv/depth_float32_bits/v1",
-        "codec": "ffv1",
-        "pixel_format": "gray16le",
-        "encoded_size": [
-          2560,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "unknown",
-          "color_range": "unknown",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown"
-        },
-        "encoder_parameters": {
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
-      },
-      "valid_storage": {
-        "profile": "mkv/bool_ffv1/v1",
-        "codec": "ffv1",
-        "pixel_format": "gray",
-        "encoded_size": [
-          1280,
-          720
-        ],
-        "decoder": {
-          "name": "ffmpeg",
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "autorotate": false,
-          "color_space": "unknown",
-          "color_range": "unknown",
-          "color_primaries": "unknown",
-          "color_transfer": "unknown"
-        },
-        "encoder_parameters": {
-          "version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
-          "name": "ffv1",
-          "arguments": [],
-          "threads": 4
-        },
-        "source_lossy": false,
-        "storage_fps": 30,
-        "timebase_role": "index_only"
-      },
-      "valid_ref": "observation/depth_valid.mkv",
-      "valid_axes": [
-        "T",
-        "height",
-        "width"
-      ],
-      "unit": "m",
-      "depth_type": "z",
-      "depth_origin": "measured",
-      "invalid_value": "NaN"
-    },
-    "segment": {
-      "available": false,
-      "reason": "H2O provides no native segmentation; rendering deferred to v2.0",
-      "status": "source_missing"
-    },
-    "relations": {
-      "available": false,
-      "reason": "No source contact/grasp annotation",
-      "status": "source_missing"
-    }
-  },
-  "split": "train",
-  "view_type": "exo",
-  "split_scheme": "official_action_split",
-  "split_source_locator": {
-    "file": "/data/xuzhefeng/Datasets/Hand-Datasets-Raw/H2O/raw/data/label_split.zip",
-    "member": "label_split/action_train.txt",
-    "record": 5
-  }
-}

H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/mano/motion.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/object/cappuccino/keypoints/xyz.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/object/cappuccino/keypoints/xyz_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/object/cappuccino/pose.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/annotation/object/cappuccino/pose_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/camera/extrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/camera/intrinsic.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/camera/intrinsic_valid.pt

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H2O/shared-v1.0/data/subject1_h1_0/cam2/metainfo.json

@@ -1,481 +0,0 @@
-{
-  "schema_version": "hand-warehouse/1.0",
-  "dataset_id": "H2O",
-  "release_id": "shared-v1.0",
-  "sequence_id": "subject1_h1_0",
-  "camera_id": "cam2",
-  "sample_type": "video",
-  "num_frames": 450,
-  "hand_slots": [
-    "left",
-    "right"
-  ],
-  "sampling": {
-    "type": "dense",
-    "source_fps": null,
-    "frames_ref": "camera/frames.jsonl",
-    "selection": {
-      "max_frames": null,
-      "views": null
-    }
-  },
-  "camera": {
-    "model": "pinhole",
-    "schema_id": "camera/pinhole/v1",
-    "image_size": [
-      1280,
-      720
-    ]
-  },
-  "components": {
-    "rgb": {
-      "available": true,
-      "schema_id": "rgb/uint8/v1",
-      "data_ref": "observation/rgb.mkv",
-      "axes": [
-        "T",
-        "height",
-        "width",
-        "channel"
-      ],
-      "provenance": {
-        "kind": "format_conversion",
-        "method": "Verified source packet copy or lossless fixed-decoder RGB encoding"
-      },
-      "source_locator": {
-        "frames_ref": "camera/frames.jsonl"
-      },
-      "storage": {
-        "profile": "mkv/ffv1_rgb/v1",
-        "codec": "ffv1",
-        "pixel_format": "bgr0",
-        "encoded_size": [
-          1280,
-          720
-        ],
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