Papers › Closed-Loop Next-Best-View Planning for Target-Driven Grasping

Closed-Loop Next-Best-View Planning for Target-Driven Grasping

21 Jul 2022arXiv:2207.10543links table onlyarchive 2025-07-28

Michel Breyer, Lionel Ott, Roland Siegwart, Jen Jen Chung

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Picking a specific object from clutter is an essential component of many manipulation tasks. Partial observations often require the robot to collect additional views of the scene before attempting a grasp. This paper proposes a closed-loop next-best-view planner that drives exploration based on occluded object parts. By continuously predicting grasps from an up-to-date scene reconstruction, our policy can decide online to finalize a grasp execution or to adapt the robot's trajectory for further exploration. We show that our reactive approach decreases execution times without loss of grasp success rates compared to common camera placements and handles situations where the fixed baselines fail. Video and code are available at https://github.com/ethz-asl/active_grasp.

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