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Robots in the real world frequently come across identical objects in dense clutter. When evaluating grasp poses in these scenarios, a target-driven grasping system requires knowledge of spatial relations between scene objects (e.g.,…

Robotics · Computer Science 2022-03-03 Xibai Lou , Yang Yang , Changhyun Choi

Robotic grasping is facing a variety of real-world uncertainties caused by non-static object states, unknown object properties, and cluttered object arrangements. The difficulty of grasping increases with the presence of more uncertainties,…

Robotics · Computer Science 2025-09-10 Hao Chen , Takuya Kiyokawa , Weiwei Wan , Kensuke Harada

Service robots are expected to autonomously and efficiently work in human-centric environments. For this type of robots, object perception and manipulation are challenging tasks due to need for accurate and real-time response. This paper…

Robotics · Computer Science 2019-04-05 S. Hamidreza Kasaei , Nima Shafii , Luis Seabra Lopes , Ana Maria Tome

Robots often face situations where grasping a goal object is desirable but not feasible due to other present objects preventing the grasp action. We present a deep Reinforcement Learning approach to learn grasping and pushing policies for…

Robotics · Computer Science 2024-03-19 Yongliang Wang , Kamal Mokhtar , Cock Heemskerk , Hamidreza Kasaei

Grasping user-specified objects is crucial for robotic assistants; however, most current 6-DoF grasp detection methods are object-agnostic, making it challenging to grasp specific targets from a scene. To achieve that, we present GoalGrasp,…

Robotics · Computer Science 2025-04-23 Shun Gui , Kai Gui , Yan Luximon

We study the task of language-conditioned pick and place in clutter, where a robot should grasp a target object in open clutter and move it to a specified place. Some approaches learn end-to-end policies with features from vision foundation…

Robotics · Computer Science 2025-09-09 Kechun Xu , Xunlong Xia , Kaixuan Wang , Yifei Yang , Yunxuan Mao , Bing Deng , Jieping Ye , Rong Xiong , Yue Wang

Character animation in real-world scenarios necessitates a variety of constraints, such as trajectories, key-frames, interactions, etc. Existing methodologies typically treat single or a finite set of these constraint(s) as separate control…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hanchao Liu , Xiaohang Zhan , Shaoli Huang , Tai-Jiang Mu , Ying Shan

Grasping unknown objects in unstructured environments is a critical challenge for service robots, which must operate in dynamic, real-world settings such as homes, hospitals, and warehouses. Success in these environments requires both…

Robotics · Computer Science 2026-02-17 Avihai Giuili , Rotem Atari , Avishai Sintov

Dynamic loco-manipulation calls for effective whole-body control and contact-rich interactions with the object and the environment. Existing learning-based control synthesis relies on training low-level skill policies and explicitly…

Robotics · Computer Science 2025-10-10 Prashanth Ravichandar , Lokesh Krishna , Nikhil Sobanbabu , Quan Nguyen

Imitation learning and world models have shown significant promise in advancing generalizable robotic learning, with robotic grasping remaining a critical challenge for achieving precise manipulation. Existing methods often rely heavily on…

Robotics · Computer Science 2025-02-06 Yiqi Huang , Travis Davies , Jiahuan Yan , Xiang Chen , Yu Tian , Luhui Hu

Robotic grasping in cluttered environments remains a significant challenge due to occlusions and complex object arrangements. We have developed ThinkGrasp, a plug-and-play vision-language grasping system that makes use of GPT-4o's advanced…

Robotics · Computer Science 2026-04-03 Yaoyao Qian , Xupeng Zhu , Ondrej Biza , Shuo Jiang , Linfeng Zhao , Haojie Huang , Yu Qi , Robert Platt

Object picking in cluttered scenes is a widely investigated field of robot manipulation, however, ambidextrous robot picking is still an important and challenging issue. We found the fusion of different prehensile actions (grasp and…

Robotics · Computer Science 2023-03-01 Chenlin Zhou , Peng Wang , Wei Wei , Guangyun Xu , Fuyu Li , Jia Sun

Grasping objects in cluttered scenarios is a challenging task in robotics. Performing pre-grasp actions such as pushing and shifting to scatter objects is a way to reduce clutter. Based on deep reinforcement learning, we propose a…

Robotics · Computer Science 2021-07-07 Dafa Ren , Xiaoqiang Ren , Xiaofan Wang , S. Tejaswi Digumarti , Guodong Shi

Object permanence in humans is a fundamental cue that helps in understanding persistence of objects, even when they are fully occluded in the scene. Present day methods in object segmentation do not account for this amodal nature of the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Kaihua Chen , Deva Ramanan , Tarasha Khurana

Coordinating the motion of robots with high degrees of freedom (DoF) to grasp objects gives rise to many challenges. In this paper, we propose a novel imitation learning approach to learn a policy that directly predicts 23 DoF grasp…

Robotics · Computer Science 2024-11-22 Martin Matak , Karl Van Wyk , Tucker Hermans

We introduce AO-Grasp, a grasp proposal method that generates 6 DoF grasps that enable robots to interact with articulated objects, such as opening and closing cabinets and appliances. AO-Grasp consists of two main contributions: the…

Object-Centric Motion Generation (OCMG) is instrumental in advancing automated manufacturing processes, particularly in domains requiring high-precision expert robotic motions, such as spray painting and welding. To realize effective…

Robotics · Computer Science 2025-11-04 Paolo Rabino , Gabriele Tiboni , Tatiana Tommasi

Autonomous learning of object manipulation skills can enable robots to acquire rich behavioral repertoires that scale to the variety of objects found in the real world. However, current motion skill learning methods typically restrict the…

Robotics · Computer Science 2015-02-27 Sergey Levine , Nolan Wagener , Pieter Abbeel

Reliable aerial grasping in cluttered environments remains challenging due to occlusions and collision risks. Existing aerial manipulation pipelines largely rely on centroid-based grasping and lack integration between the grasp pose…

Object affordance and volumetric information are essential in devising effective grasping strategies under task-specific constraints. This paper presents an approach for inferring suitable grasping strategies from limited partial views of…

Robotics · Computer Science 2025-03-20 Fujian Yan , Hui Li , Hongsheng He