berkeley_rpt_converted_externally_to_rlds

  • Description:

Franka performing tabletop pick place tasks

Split Examples
'train' 908
  • Feature structure:
FeaturesDict({
    'episode_metadata': FeaturesDict({
        'file_path': Text(shape=(), dtype=string),
    }),
    'steps': Dataset({
        'action': Tensor(shape=(8,), dtype=float32, description=Robot action, consists of [7 delta joint pos,1x gripper binary state].),
        'discount': Scalar(shape=(), dtype=float32, description=Discount if provided, default to 1.),
        'is_first': bool,
        'is_last': bool,
        'is_terminal': bool,
        'language_embedding': Tensor(shape=(512,), dtype=float32, description=Kona language embedding. See https://tfhub.dev/google/universal-sentence-encoder-large/5),
        'language_instruction': Text(shape=(), dtype=string),
        'observation': FeaturesDict({
            'gripper': Scalar(shape=(), dtype=bool, description=Binary gripper state (1 - closed, 0 - open)),
            'hand_image': Image(shape=(480, 640, 3), dtype=uint8, description=Hand camera RGB observation.),
            'joint_pos': Tensor(shape=(7,), dtype=float32, description=xArm joint positions (7 DoF).),
        }),
        'reward': Scalar(shape=(), dtype=float32, description=Reward if provided, 1 on final step for demos.),
    }),
})
  • Feature documentation:
Feature Class Shape Dtype Description
FeaturesDict
episode_metadata FeaturesDict
episode_metadata/file_path Text string Path to the original data file.
steps Dataset
steps/action Tensor (8,) float32 Robot action, consists of [7 delta joint pos,1x gripper binary state].
steps/discount Scalar float32 Discount if provided, default to 1.
steps/is_first Tensor bool
steps/is_last Tensor bool
steps/is_terminal Tensor bool
steps/language_embedding Tensor (512,) float32 Kona language embedding. See https://tfhub.dev/google/universal-sentence-encoder-large/5
steps/language_instruction Text string Language Instruction.
steps/observation FeaturesDict
steps/observation/gripper Scalar bool Binary gripper state (1 - closed, 0 - open)
steps/observation/hand_image Image (480, 640, 3) uint8 Hand camera RGB observation.
steps/observation/joint_pos Tensor (7,) float32 xArm joint positions (7 DoF).
steps/reward Scalar float32 Reward if provided, 1 on final step for demos.
  • Citation:
@article{Radosavovic2023,
  title={Robot Learning with Sensorimotor Pre-training},
  author={Ilija Radosavovic and Baifeng Shi and Letian Fu and Ken Goldberg and Trevor Darrell and Jitendra Malik},
  year={2023},
  journal={arXiv:2306.10007}
}