This dataset merges all integrity-valid sessions in the source directory.
Selection rules:
invalid datasets from integrity_report/report.json are excluded;
lyh_grasp_4obj_50_s2 keeps source episodes 0..44 only;
lyh_grasp_4obj_50_s6 is excluded because episode_timestamps.json is missing.
The dataset contains 1,445 episodes and 863,976 frames. The original videos and
parquet rows are kept in LeRobot-style directories. episode_manifest.jsonl is
the join… See the full description on the dataset page:
https://huggingface.co/datasets/StyTJU/grasp_4obj_50_4exp.
