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Related papers: Learning to Grasp the Ungraspable with Emergent Ex…

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This study addresses the problem of occluded grasping, where primary grasp configurations of an object are not available due to occlusion with environment. Simple parallel grippers often struggle with such tasks due to limited dexterity and…

Robotics · Computer Science 2025-07-22 Keita Kobashi , Masayoshi Tomizuka

Extrinsic manipulation, a technique that enables robots to leverage extrinsic resources for object manipulation, presents practical yet challenging scenarios. Particularly in the context of extrinsic manipulation on a supporting plane,…

Robotics · Computer Science 2023-07-13 Peng Xu , Zhiyuan Chen , Jiankun Wang , Max Q. -H. Meng

Objects with large base areas become ungraspable when they exceed the end-effector's maximum aperture. Existing approaches address this limitation through extrinsic dexterity, which exploits environmental features for non-prehensile…

Robotics · Computer Science 2025-04-01 Yuhan Wang , Yu Li , Yaodong Yang , Yuanpei Chen

Dexterous grasping in the real world presents a fundamental and significant challenge for robot learning. The ability to employ affordance-aware poses to grasp objects with diverse geometries and properties in arbitrary scenarios is…

Robotics · Computer Science 2025-09-23 Dongchi Huang , Tianle Zhang , Yihang Li , Ling Zhao , Jiayi Li , Zhirui Fang , Chunhe Xia , Xiaodong He

Grasping large and flat objects (e.g. a book or a pan) is often regarded as an ungraspable task, which poses significant challenges due to the unreachable grasping poses. Previous works leverage Extrinsic Dexterity like walls or table edges…

Robotics · Computer Science 2024-12-12 Chengzhong Ma , Houxue Yang , Hanbo Zhang , Zeyang Liu , Chao Zhao , Jian Tang , Xuguang Lan , Nanning Zheng

Many practically relevant robot grasping problems feature a target object for which all grasps are occluded, e.g., by the environment. Single-shot grasp planning invariably fails in such scenarios. Instead, it is necessary to first…

Robotics · Computer Science 2024-05-10 Shih-Min Yang , Martin Magnusson , Johannes A. Stork , Todor Stoyanov

Developing personal robots that can perform a diverse range of manipulation tasks in unstructured environments necessitates solving several challenges for robotic grasping systems. We take a step towards this broader goal by presenting the…

Grasping an object when it is in an ungraspable pose is a challenging task, such as books or other large flat objects placed horizontally on a table. Inspired by human manipulation, we address this problem by pushing the object to the edge…

Robotics · Computer Science 2023-02-28 Hao Zhang , Hongzhuo Liang , Lin Cong , Jianzhi Lyu , Long Zeng , Pingfa Feng , Jianwei Zhang

This paper addresses the challenge of occluded robot grasping, i.e. grasping in situations where the desired grasp poses are kinematically infeasible due to environmental constraints such as surface collisions. Traditional robot…

Robotics · Computer Science 2025-02-17 Jun Yamada , Alexander L. Mitchell , Jack Collins , Ingmar Posner

Reinforcement learning (RL) has achieved great success in dexterous grasping, significantly improving grasp performance and generalization from simulation to the real world. However, fine-grained functional grasping, which is essential for…

Robotics · Computer Science 2025-12-16 Chuan Mao , Haoqi Yuan , Ziye Huang , Chaoyi Xu , Kai Ma , Zongqing Lu

Grasping moving objects, such as goods on a belt or living animals, is an important but challenging task in robotics. Conventional approaches rely on a set of manually defined object motion patterns for training, resulting in poor…

Robotics · Computer Science 2022-03-15 Tianhao Wu , Fangwei Zhong , Yiran Geng , Hongchen Wang , Yongjian Zhu , Yizhou Wang , Hao Dong

Reinforcement learning is a promising method for robotic grasping as it can learn effective reaching and grasping policies in difficult scenarios. However, achieving human-like manipulation capabilities with sophisticated robotic hands is…

Robotics · Computer Science 2022-06-29 Martin Schuck , Jan Brüdigam , Alexandre Capone , Stefan Sosnowski , Sandra Hirche

In robotic grasping, objects are often occluded in ungraspable configurations such that no pregrasp pose can be found, eg large flat boxes on the table that can only be grasped from the side. Inspired by humans' bimanual manipulation, eg…

Robotics · Computer Science 2020-02-18 Zhaole Sun , Kai Yuan , Wenbin Hu , Chuanyu Yang , Zhibin Li

Extrinsic dexterity leverages environmental contact to overcome the limitations of prehensile manipulation. However, achieving such dexterity in cluttered scenes remains challenging and underexplored, as it requires selectively exploiting…

Deep reinforcement learning (DRL) has been proven to be a powerful paradigm for learning complex control policy autonomously. Numerous recent applications of DRL in robotic grasping have successfully trained DRL robotic agents end-to-end,…

Robotics · Computer Science 2020-07-03 Zhixin Chen , Mengxiang Lin , Zhixin Jia , Shibo Jian

Grasping by a robot in unstructured environments is deemed a critical challenge because of the requirement for effective adaptation to a wide variation in object geometries, material properties, and other environmental factors. In this…

Robotics · Computer Science 2024-11-20 Leonidas Askianakis

Muscle-actuated organisms are capable of learning an unparalleled diversity of dexterous movements despite their vast amount of muscles. Reinforcement learning (RL) on large musculoskeletal models, however, has not been able to show similar…

Robotics · Computer Science 2023-04-28 Pierre Schumacher , Daniel Häufle , Dieter Büchler , Syn Schmitt , Georg Martius

In this paper, we explore deep reinforcement learning algorithms for vision-based robotic grasping. Model-free deep reinforcement learning (RL) has been successfully applied to a range of challenging environments, but the proliferation of…

Robotics · Computer Science 2018-03-30 Deirdre Quillen , Eric Jang , Ofir Nachum , Chelsea Finn , Julian Ibarz , Sergey Levine

While there have been significant strides in dexterous manipulation, most of it is limited to benchmark tasks like in-hand reorientation which are of limited utility in the real world. The main benefit of dexterous hands over two-fingered…

Robotics · Computer Science 2023-12-06 Ananye Agarwal , Shagun Uppal , Kenneth Shaw , Deepak Pathak

We consider the problem of grasping deformable objects with soft shells using a robotic gripper. Such objects have a center-of-mass that changes dynamically and are fragile so prone to burst. Thus, it is difficult for robots to generate…

Robotics · Computer Science 2025-10-14 Yonghyun Lee , Sungeun Hong , Min-gu Kim , Gyeonghwan Kim , Changjoo Nam
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