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PreAfford: Universal Affordance-Based Pre-Grasping for Diverse Objects and Environments
April 5, 2024, 4:45 a.m. | Kairui Ding, Boyuan Chen, Ruihai Wu, Yuyang Li, Zongzheng Zhang, Huan-ang Gao, Siqi Li, Yixin Zhu, Guyue Zhou, Hao Dong, Hao Zhao
cs.CV updates on arXiv.org arxiv.org
Abstract: Robotic manipulation of ungraspable objects with two-finger grippers presents significant challenges due to the paucity of graspable features, while traditional pre-grasping techniques, which rely on repositioning objects and leveraging external aids like table edges, lack the adaptability across object categories and scenes. Addressing this, we introduce PreAfford, a novel pre-grasping planning framework that utilizes a point-level affordance representation and a relay training approach to enhance adaptability across a broad range of environments and object types, …
abstract adaptability arxiv challenges cs.cv cs.ro diverse environments features grasping manipulation object objects robotic robotic manipulation table type universal
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