OakInk2 shared-v1.0 iipl_125 batch 512

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+  "mesh_ref": "annotation/object/O02@0094@00001/assets/model.obj",
+  "unit": "m",
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+}

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+# www.blender.org
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+  "association_basis": "official OakInk2 obj_list and obj_transf",
+  "has_model": true,
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+{
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+    "image_size": [
+      848,
+      480
+    ],
+    "model": "pinhole",
+    "schema_id": "camera/pinhole/v1"
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+      "axes": [
+        "T",
+        "row",
+        "column"
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+      "data_ref": "camera/extrinsic.pt",
+      "provenance": {
+        "kind": "format_conversion"
+      },
+      "schema_id": "transform/se3/v1",
+      "source_locator": {
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+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl"
+      },
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+        "T",
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+        "kind": "format_conversion"
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+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl"
+      },
+      "valid_axes": [
+        "T"
+      ],
+      "valid_ref": "camera/intrinsic_valid.pt"
+    },
+    "mano": {
+      "angle_unit": "rad",
+      "available": true,
+      "axes": [
+        "T",
+        "hand",
+        "parameter"
+      ],
+      "coordinate_frame": "camera",
+      "data_ref": "annotation/mano/motion.pt",
+      "model_profile": {
+        "flat_hand_mean": true,
+        "left_shapedirs_fix": false,
+        "version": "MANO-v1.2"
+      },
+      "provenance": {
+        "kind": "format_conversion",
+        "method": "source wxyz quaternion to axis-angle; official center_idx=0 wrist correction; world-to-camera transform"
+      },
+      "schema_id": "mano/axis_angle61/v1",
+      "source_locator": {
+        "field": "raw_mano",
+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl",
+        "time_index_ref": "camera/frames.jsonl:annotation_matches.mano"
+      },
+      "unit": "m",
+      "valid_axes": [
+        "T",
+        "hand"
+      ],
+      "valid_ref": "annotation/mano/motion_valid.pt"
+    },
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+      "axes": [
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+        "row",
+        "column"
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+      "entity_id": "O02@0020@00002",
+      "object_type": "rigid",
+      "provenance": {
+        "kind": "format_conversion"
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+      "schema_id": "object/rigid/v1",
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+      "available": true,
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+        "row",
+        "column"
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+      "data_ref": "annotation/object/O02@0094@00001/pose.pt",
+      "entity_id": "O02@0094@00001",
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+      "entity_id": "O02@0094@00004",
+      "object_type": "rigid",
+      "provenance": {
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+      "schema_id": "object/rigid/v1",
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+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl"
+      },
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+      "valid_axes": [
+        "T"
+      ],
+      "valid_ref": "annotation/object/O02@0094@00004/pose_valid.pt"
+    },
+    "rgb": {
+      "available": true,
+      "axes": [
+        "T",
+        "height",
+        "width",
+        "channel"
+      ],
+      "data_ref": "observation/rgb.mkv",
+      "provenance": {
+        "kind": "format_conversion"
+      },
+      "schema_id": "rgb/uint8/v1",
+      "source_locator": {
+        "archive": "raw/data/data/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.tar",
+        "member_pattern": "scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39/104422070088/{source_frame_id}.png"
+      },
+      "storage": {
+        "codec": "ffv1",
+        "decoded_pixel_format": "rgb24",
+        "pixel_format": "bgr0",
+        "profile": "mkv/ffv1_rgb/v1",
+        "roundtrip_rgb_sha256": "89a3e8fe6c24d58089cc7dda057aa5ca7afb5364fc0567773c078e449ca30c92",
+        "source_lossy": false
+      },
+      "storage_fps": 1,
+      "timebase_role": "index_only",
+      "valid_axes": [
+        "T"
+      ],
+      "valid_ref": "observation/rgb_valid.pt"
+    }
+  },
+  "dataset_id": "OakInk2",
+  "hand_slots": [
+    "left",
+    "right"
+  ],
+  "num_frames": 995,
+  "omitted_components": {
+    "contact": "not selected for this hand-object reconstruction release",
+    "depth": "not provided by the downloaded official OakInk2 release",
+    "program": "task-language/program annotations are outside the selected geometric training fields",
+    "segment": "no official pixel mask is present in the downloaded release",
+    "smplx": "full-body parameters are outside the selected hand-object reconstruction fields"
+  },
+  "release_id": "shared-v1.0",
+  "sample_type": "video",
+  "sampling": {
+    "frames_ref": "camera/frames.jsonl",
+    "mocap_alignment": "image frame IDs are an exact subset of mocap_frame_id_list; image IDs advance by four on the shared source frame clock, while all released 30 fps image frames are retained",
+    "selection": "all official frame_id_list images for this complete sequence and selected camera",
+    "source_fps": 30.0,
+    "source_fps_evidence": "OakInk2 CVPR 2024 paper section 4.1: four synchronized RGB views at 30 fps",
+    "type": "dense"
+  },
+  "schema_version": "hand-warehouse/1.0",
+  "sequence_id": "scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+  "source_camera_name": "allocentric_left",
+  "source_release": {
+    "repository": "ParityLab/Hand-Datasets-Raw",
+    "revision": "85c3bfc9ad4d9a6b159e31ac036cf62c87b29076"
+  },
+  "split": "train",
+  "split_scheme": "OakInk2_TaMF_official_sequence_split",
+  "split_source_locator": {
+    "sequence_key": "scene_01__O001/seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+    "url": "https://github.com/oakink/OakInk2-TaMF/blob/4cb9c461b92c032715374bd252c7179c70a14bde/asset/split/train.txt"
+  },
+  "view_type": "exo"
+}

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+# Blender 4.2.4 LTS MTL File: 'None'
+# www.blender.org
+
+newmtl 材质.004
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+{
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+  "scope_id": "scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+  "association_basis": "official OakInk2 obj_list and obj_transf",
+  "has_model": true,
+  "mesh_ref": "annotation/object/O02@0020@00002/assets/model.obj",
+  "unit": "m",
+  "source_locator": {
+    "archive": "raw/data/object_repair.tar",
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+  }
+}

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+# Blender 4.2.4 LTS MTL File: 'None'
+# www.blender.org
+
+newmtl 材质.057
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
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+{
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+  "identity_scope": "sequence",
+  "scope_id": "scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+  "association_basis": "official OakInk2 obj_list and obj_transf",
+  "has_model": true,
+  "mesh_ref": "annotation/object/O02@0094@00001/assets/model.obj",
+  "unit": "m",
+  "source_locator": {
+    "archive": "raw/data/object_repair.tar",
+    "object_id": "O02@0094@00001"
+  }
+}

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+# www.blender.org
+
+newmtl 材质.059
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+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
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+Ni 1.500000
+d 1.000000
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+    "archive": "raw/data/object_repair.tar",
+    "object_id": "O02@0094@00004"
+  }
+}

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+      },
+      "schema_id": "transform/se3/v1",
+      "source_locator": {
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+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl"
+      },
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+    },
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+        "file": "raw/data/anno_preview/scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39.pkl"
+      },
+      "valid_axes": [
+        "T"
+      ],
+      "valid_ref": "camera/intrinsic_valid.pt"
+    },
+    "mano": {
+      "angle_unit": "rad",
+      "available": true,
+      "axes": [
+        "T",
+        "hand",
+        "parameter"
+      ],
+      "coordinate_frame": "camera",
+      "data_ref": "annotation/mano/motion.pt",
+      "model_profile": {
+        "flat_hand_mean": true,
+        "left_shapedirs_fix": false,
+        "version": "MANO-v1.2"
+      },
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+        "method": "source wxyz quaternion to axis-angle; official center_idx=0 wrist correction; world-to-camera transform"
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+        "time_index_ref": "camera/frames.jsonl:annotation_matches.mano"
+      },
+      "unit": "m",
+      "valid_axes": [
+        "T",
+        "hand"
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+      "valid_ref": "annotation/mano/motion_valid.pt"
+    },
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+    },
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+      "valid_axes": [
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+    "rgb": {
+      "available": true,
+      "axes": [
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+        "height",
+        "width",
+        "channel"
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+      "data_ref": "observation/rgb.mkv",
+      "provenance": {
+        "kind": "format_conversion"
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+      "schema_id": "rgb/uint8/v1",
+      "source_locator": {
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+      },
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+        "codec": "ffv1",
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+      "timebase_role": "index_only",
+      "valid_axes": [
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+      "valid_ref": "observation/rgb_valid.pt"
+    }
+  },
+  "dataset_id": "OakInk2",
+  "hand_slots": [
+    "left",
+    "right"
+  ],
+  "num_frames": 995,
+  "omitted_components": {
+    "contact": "not selected for this hand-object reconstruction release",
+    "depth": "not provided by the downloaded official OakInk2 release",
+    "program": "task-language/program annotations are outside the selected geometric training fields",
+    "segment": "no official pixel mask is present in the downloaded release",
+    "smplx": "full-body parameters are outside the selected hand-object reconstruction fields"
+  },
+  "release_id": "shared-v1.0",
+  "sample_type": "video",
+  "sampling": {
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+    "mocap_alignment": "image frame IDs are an exact subset of mocap_frame_id_list; image IDs advance by four on the shared source frame clock, while all released 30 fps image frames are retained",
+    "selection": "all official frame_id_list images for this complete sequence and selected camera",
+    "source_fps": 30.0,
+    "source_fps_evidence": "OakInk2 CVPR 2024 paper section 4.1: four synchronized RGB views at 30 fps",
+    "type": "dense"
+  },
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+  "sequence_id": "scene_01__O001++seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+  "source_camera_name": "allocentric_right",
+  "source_release": {
+    "repository": "ParityLab/Hand-Datasets-Raw",
+    "revision": "85c3bfc9ad4d9a6b159e31ac036cf62c87b29076"
+  },
+  "split": "train",
+  "split_scheme": "OakInk2_TaMF_official_sequence_split",
+  "split_source_locator": {
+    "sequence_key": "scene_01__O001/seq__5c9130f2eacf1fd06097__2023-04-13-20-15-39",
+    "url": "https://github.com/oakink/OakInk2-TaMF/blob/4cb9c461b92c032715374bd252c7179c70a14bde/asset/split/train.txt"
+  },
+  "view_type": "exo"
+}

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