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Grasping target objects is a fundamental skill for robotic manipulation, but in cluttered environments with stacked or occluded objects, a single-step grasp is often insufficient. To address this, previous work has introduced pushing as an…

Robotics · Computer Science 2026-03-24 Lijingze Xiao , Jinhong Du , Yang Cong , Supeng Diao , Yu Ren

Simultaneously grasping and delivering multiple objects can significantly enhance robotic work efficiency and has been a key research focus for decades. The primary challenge lies in determining how to push objects, group them, and execute…

Robotics · Computer Science 2025-08-04 Takahiro Yonemaru , Weiwei Wan , Tatsuki Nishimura , Kensuke Harada

Grasping objects of different shapes and sizes - a foundational, effortless skill for humans - remains a challenging task in robotics. Although model-based approaches can predict stable grasp configurations for known object models, they…

Robotics · Computer Science 2022-11-22 Malte Mosbach , Sven Behnke

Robotic grasping faces new challenges in human-robot-interaction scenarios. We consider the task that the robot grasps a target object designated by human's language directives. The robot not only needs to locate a target based on…

Robotics · Computer Science 2023-08-02 Yuhao Lu , Yixuan Fan , Beixing Deng , Fangfu Liu , Yali Li , Shengjin Wang

In autonomous navigation of mobile robots, sensors suffer from massive occlusion in cluttered environments, leaving significant amount of space unknown during planning. In practice, treating the unknown space in optimistic or pessimistic…

Robotics · Computer Science 2021-03-30 Lizi Wang , Hongkai Ye , Qianhao Wang , Yuman Gao , Chao Xu , Fei Gao

This paper aims to improve robots' versatility and adaptability by allowing them to use a large variety of end-effector tools and quickly adapt to new tools. We propose AdaGrasp, a method to learn a single grasping policy that generalizes…

Robotics · Computer Science 2021-03-16 Zhenjia Xu , Beichun Qi , Shubham Agrawal , Shuran Song

Robotic grasping is one of the most fundamental robotic manipulation tasks and has been actively studied. However, how to quickly teach a robot to grasp a novel target object in clutter remains challenging. This paper attempts to tackle the…

Robotics · Computer Science 2021-04-07 Yang Yang , Yuanhao Liu , Hengyue Liang , Xibai Lou , Changhyun Choi

Grasping in dense clutter is a fundamental skill for autonomous robots. However, the crowdedness and occlusions in the cluttered scenario cause significant difficulties to generate valid grasp poses without collisions, which results in low…

Robotics · Computer Science 2022-07-26 Zhan Liu , Ziwei Wang , Sichao Huang , Jie Zhou , Jiwen Lu

Task-oriented grasping is a crucial yet challenging task in robotic manipulation. Despite the recent progress, few existing methods address task-oriented grasping with dexterous hands. Dexterous hands provide better precision and…

Robotics · Computer Science 2026-01-12 Weishang Wu , Yifei Shi , Zhizhong Chen , Zhipong Cai

Instance-aware segmentation of unseen objects is essential for a robotic system in an unstructured environment. Although previous works achieved encouraging results, they were limited to segmenting the only visible regions of unseen…

Robotics · Computer Science 2022-03-01 Seunghyeok Back , Joosoon Lee , Taewon Kim , Sangjun Noh , Raeyoung Kang , Seongho Bak , Kyoobin Lee

Generalizable object manipulation skills are critical for intelligent and multi-functional robots to work in real-world complex scenes. Despite the recent progress in reinforcement learning, it is still very challenging to learn a…

Robotics · Computer Science 2022-09-14 Hao Shen , Weikang Wan , He Wang

Many complex domains, such as robotics control and real-time strategy (RTS) games, require an agent to learn a continuous control. In the former, an agent learns a policy over $\mathbb{R}^d$ and in the latter, over a discrete set of actions…

Machine Learning · Computer Science 2019-02-19 Carson Eisenach , Haichuan Yang , Ji Liu , Han Liu

Task-oriented grasping (TOG) is more challenging than simple object grasping because it requires precise identification of object parts and careful selection of grasping areas to ensure effective and robust manipulation. While recent…

Robotics · Computer Science 2026-03-30 Hao Chen , Takuya Kiyokawa , Weiwei Wan , Kensuke Harada

Humans excel in grasping objects through diverse and robust policies, many of which are so probabilistically rare that exploration-based learning methods hardly observe and learn. Inspired by the human learning process, we propose a method…

Robotics · Computer Science 2023-04-06 Chao Zhao , Chunli Jiang , Junhao Cai , Hongyu Yu , Michael Yu Wang , Qifeng Chen

We consider the task of generating segmentation masks for the target object from an object manipulation instruction, which allows users to give open vocabulary instructions to domestic service robots. Conventional segmentation generation…

Robotics · Computer Science 2024-07-02 Takayuki Nishimura , Katsuyuki Kuyo , Motonari Kambara , Komei Sugiura

Reaching-and-grasping is a fundamental skill for robotic manipulation, but existing methods usually train models on a specific gripper and cannot be reused on another gripper. In this paper, we propose a novel method that can learn a…

Robotics · Computer Science 2025-02-04 Qijin She , Shishun Zhang , Yunfan Ye , Ruizhen Hu , Kai Xu

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

Dexterous robotic hands are appealing for their agility and human-like morphology, yet their high degree of freedom makes learning to manipulate challenging. We introduce an approach for learning dexterous grasping. Our key idea is to embed…

Robotics · Computer Science 2021-06-18 Priyanka Mandikal , Kristen Grauman

Estimating the state of a deformable object is crucial for robotic manipulation, yet accurate tracking is challenging when the object is partially-occluded. To address this problem, we propose an occlusion-robust RGBD sequence tracking…

Robotics · Computer Science 2021-01-05 Cheng Chi , Dmitry Berenson

In complex scenarios where typical pick-and-place techniques are insufficient, often non-prehensile manipulation can ensure that a robot is able to fulfill its task. However, non-prehensile manipulation is challenging due to its…

Robotics · Computer Science 2025-08-04 Nils Dengler , Juan Del Aguila Ferrandis , João Moura , Sethu Vijayakumar , Maren Bennewitz