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episode_index
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2
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OmniViTac LeRobot v3 (Test Run)

This dataset is in LeRobot v3.0 format and contains 16 OmniViTac episodes.

Dataset Summary

  • Robot type: OmniViTac
  • Total episodes: 16
  • Total frames: 3278
  • FPS: 15.0
  • Splits: train: 0:16
  • Data path template: data/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet
  • Video path template: videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4

Dataset Structure

meta/
  info.json
  stats.json
  tasks.parquet
  episodes/chunk-000/file-000.parquet
data/
  chunk-000/file-000.parquet
videos/
  observation.images.camera1/chunk-000/file-000.mp4
  observation.images.camera2/chunk-000/file-000.mp4
  observation.images.tactile1_raw/chunk-000/file-000.mp4
  observation.images.tactile2_raw/chunk-000/file-000.mp4
  observation.images.tactile1_diff/chunk-000/file-000.mp4
  observation.images.tactile2_diff/chunk-000/file-000.mp4

meta/info.json

{
  "codebase_version": "v3.0",
  "robot_type": "OmniViTac",
  "total_episodes": 16,
  "total_frames": 3278,
  "total_tasks": 1,
  "chunks_size": 1000,
  "data_files_size_in_mb": 100,
  "video_files_size_in_mb": 500,
  "fps": 15.0,
  "splits": {
    "train": "0:16"
  },
  "data_path": "data/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet",
  "video_path": "videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4",
  "features": {
    "timestamp": {
      "dtype": "float32",
      "shape": [
        1
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      "names": null
    },
    "frame_index": {
      "dtype": "int64",
      "shape": [
        1
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      "names": null
    },
    "episode_index": {
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      "shape": [
        1
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      "names": null
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    "index": {
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    "task_index": {
      "dtype": "int64",
      "shape": [
        1
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      "names": null
    },
    "observation.state": {
      "dtype": "float32",
      "shape": [
        6
      ],
      "names": {
        "axes": [
          "x",
          "y",
          "z",
          "roll",
          "pitch",
          "yaw"
        ]
      }
    },
    "observation.joints": {
      "dtype": "float32",
      "shape": [
        7
      ],
      "names": {
        "axes": [
          "joint_0",
          "joint_1",
          "joint_2",
          "joint_3",
          "joint_4",
          "joint_5",
          "joint_6"
        ]
      }
    },
    "observation.gripper": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "names": {
        "axes": [
          "gripper_pos"
        ]
      }
    },
    "observation.joint_stamps": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": {
        "axes": [
          "joint_stamp_ms"
        ]
      }
    },
    "observation.tactile1_deform": {
      "dtype": "float32",
      "shape": [
        2100
      ],
      "names": null
    },
    "observation.tactile2_deform": {
      "dtype": "float32",
      "shape": [
        2100
      ],
      "names": null
    },
    "observation.depth.camera1": {
      "dtype": "float16",
      "shape": [
        480,
        640
      ],
      "names": [
        "height",
        "width"
      ]
    },
    "observation.depth.camera2": {
      "dtype": "float16",
      "shape": [
        720,
        1280
      ],
      "names": [
        "height",
        "width"
      ]
    },
    "observation.images.camera1": {
      "dtype": "video",
      "shape": [
        3,
        480,
        640
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.images.camera2": {
      "dtype": "video",
      "shape": [
        3,
        720,
        1280
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.images.tactile1_raw": {
      "dtype": "video",
      "shape": [
        3,
        700,
        400
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.images.tactile2_raw": {
      "dtype": "video",
      "shape": [
        3,
        700,
        400
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.images.tactile1_diff": {
      "dtype": "video",
      "shape": [
        3,
        700,
        400
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.images.tactile2_diff": {
      "dtype": "video",
      "shape": [
        3,
        700,
        400
      ],
      "names": [
        "channel",
        "height",
        "width"
      ]
    },
    "observation.source_timestamp.camera1_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.camera2_ms": {
      "dtype": "int64",
      "shape": [
        1
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      "names": null
    },
    "observation.source_timestamp.depth1_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.depth2_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.state_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.joint_stamps_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.gripper_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile1_deform_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile2_deform_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile1_raw_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile2_raw_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile1_diff_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "observation.source_timestamp.tactile2_diff_ms": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    }
  }
}

Features

  • Scalars: timestamp, frame_index, episode_index, index, task_index
  • State/action-like vectors:
    • observation.state (6)
    • observation.joints (7)
    • observation.gripper (1)
    • observation.joint_stamps (1)
    • observation.tactile1_deform (2100)
    • observation.tactile2_deform (2100)
  • Depth:
    • observation.depth.camera1 (480x640, float16)
    • observation.depth.camera2 (720x1280, float16)
  • Videos:
    • observation.images.camera1 (3x480x640)
    • observation.images.camera2 (3x720x1280)
    • observation.images.tactile1_raw (3x700x400)
    • observation.images.tactile2_raw (3x700x400)
    • observation.images.tactile1_diff (3x700x400)
    • observation.images.tactile2_diff (3x700x400)
  • Source timestamps:
    • observation.source_timestamp.camera1_ms
    • observation.source_timestamp.camera2_ms
    • observation.source_timestamp.depth1_ms
    • observation.source_timestamp.depth2_ms
    • observation.source_timestamp.state_ms
    • observation.source_timestamp.joint_stamps_ms
    • observation.source_timestamp.gripper_ms
    • observation.source_timestamp.tactile1_deform_ms
    • observation.source_timestamp.tactile2_deform_ms
    • observation.source_timestamp.tactile1_raw_ms
    • observation.source_timestamp.tactile2_raw_ms
    • observation.source_timestamp.tactile1_diff_ms
    • observation.source_timestamp.tactile2_diff_ms
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