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Physics-based manipulation in clutter involves complex interaction between multiple objects. In this paper, we consider the problem of learning, from interaction in a physics simulator, manipulation skills to solve this multi-step…

Robotics · Computer Science 2019-07-29 Wissam Bejjani , Mehmet R. Dogar , Matteo Leonetti

In this work, we present a deep reinforcement learning based method to solve the problem of robotic grasping using visio-motor feedback. The use of a deep learning based approach reduces the complexity caused by the use of hand-designed…

Robotics · Computer Science 2020-07-10 Shirin Joshi , Sulabh Kumra , Ferat Sahin

We consider the problem of sorting a densely cluttered pile of unknown objects using a robot. This yet unsolved problem is relevant in the robotic waste sorting business. By extending previous active learning approaches to grasping, we show…

Robotics · Computer Science 2016-09-06 Janne V. Kujala , Tuomas J. Lukka , Harri Holopainen

Robotic manipulation with two-finger grippers is challenged by objects lacking distinct graspable features. Traditional pre-grasping methods, which typically involve repositioning objects or utilizing external aids like table edges, are…

Many methods have been developed for planning the motion of robotic arms for picking and placing, ranging from local optimization to global search techniques, which are effective for sparsely placed objects. Dense clutter, however, still…

Robotics · Computer Science 2019-02-13 Andrew Kimmel , Rahul Shome , Zakary Littlefield , Kostas Bekris

Grasping in a densely cluttered environment is a challenging task for robots. Previous methods tried to solve this problem by actively gathering multiple views before grasp pose generation. However, they either overlooked the importance of…

Robotics · Computer Science 2025-11-18 Boshu Lei , Wen Jiang , Kostas Daniilidis

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

Robust and human-like dexterous grasping of general objects is a critical capability for advancing intelligent robotic manipulation in real-world scenarios. However, existing reinforcement learning methods guided by grasp priors often…

Robotics · Computer Science 2025-09-30 Fangting Xu , Jilin Zhu , Xiaoming Gu , Jianzhong Tang

Autonomous grasping is an important factor for robots physically interacting with the environment and executing versatile tasks. However, a universally applicable, cost-effective, and rapidly deployable autonomous grasping approach is still…

Robotics · Computer Science 2023-03-07 Hanwen Cao , Junda Huang , Yichuan Li , Jianshu Zhou , Yunhui Liu

The use of anthropomorphic robotic hands for assisting individuals in situations where human hands may be unavailable or unsuitable has gained significant importance. In this paper, we propose a novel task called human-assisting dexterous…

Robotics · Computer Science 2025-04-15 Tianhao Wu , Mingdong Wu , Jiyao Zhang , Yunchong Gan , Hao Dong

Extracting a known target object from a pile of other objects in a cluttered environment is a challenging robotic manipulation task encountered in many robotic applications. In such conditions, the target object touches or is covered by…

Robotics · Computer Science 2020-02-28 Iason Sarantopoulos , Marios Kiatos , Zoe Doulgeri , Sotiris Malassiotis

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

Robotics · Computer Science 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

Grasping with anthropomorphic robotic hands involves much more hand-object interactions compared to parallel-jaw grippers. Modeling hand-object interactions is essential to the study of multi-finger hand dextrous manipulation. This work…

Robotics · Computer Science 2022-11-22 Wei Wei , Daheng Li , Peng Wang , Yiming Li , Wanyi Li , Yongkang Luo , Jun Zhong

Learning-based approaches to grasp planning are preferred over analytical methods due to their ability to better generalize to new, partially observed objects. However, data collection remains one of the biggest bottlenecks for grasp…

Robotics · Computer Science 2020-08-04 Qingkai Lu , Mark Van der Merwe , Tucker Hermans

This paper focuses on enhancing the grasping precision and generalization of manipulation policies learned via imitation learning. Diffusion-based policy learning methods have recently become the mainstream approach for robotic manipulation…

Robotics · Computer Science 2026-02-27 Enda Xiang , Haoxiang Ma , Xinzhu Ma , Zicheng Liu , Di Huang

A series of region-based methods succeed in extracting regional features and enhancing grasp detection quality. However, faced with a cluttered scene with potential collision, the definition of the grasp-relevant region stays inconsistent,…

Robotics · Computer Science 2024-11-15 Siang Chen , Pengwei Xie , Wei Tang , Dingchang Hu , Yixiang Dai , Guijin Wang

Given the task of learning robotic grasping solely based on a depth camera input and gripper force feedback, we derive a learning algorithm from an applied point of view to significantly reduce the amount of required training data. Major…

Robotics · Computer Science 2019-03-04 Lars Berscheid , Thomas Rühr , Torsten Kröger

A simple gripper can solve more complex manipulation tasks if it can utilize the external environment such as pushing the object against the table or a vertical wall, known as "Extrinsic Dexterity." Previous work in extrinsic dexterity…

Robotics · Computer Science 2022-11-04 Wenxuan Zhou , David Held

Planning motions to grasp an object in cluttered and uncertain environments is a challenging task, particularly when a collision-free trajectory does not exist and objects obstructing the way are required to be carefully grasped and moved…

Robotics · Computer Science 2017-11-28 Muhayyuddin , Mark Moll , Lydia Kavraki , Jan Rosell

Grasp detection in cluttered scenes is a very challenging task for robots. Generating synthetic grasping data is a popular way to train and test grasp methods, as is Dex-net and GraspNet; yet, these methods generate training grasps on 3D…

Robotics · Computer Science 2023-02-22 Dexin Wang , Faliang Chang , Chunsheng Liu , Rurui Yang , Nanjun Li , Hengqiang Huan