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Robust grasping in cluttered, unstructured environments remains challenging for mobile legged manipulators due to occlusions that lead to partial observations, unreliable depth estimates, and the need for collision-free, execution-feasible…

Tactile sensing is vital for human dexterous manipulation, however, it has not been widely used in robotics. Compact, low-cost sensing platforms can facilitate a change, but unlike their popular optical counterparts, they are difficult to…

Robotics · Computer Science 2025-03-10 Adrian Röfer , Nick Heppert , Abdallah Ayad , Eugenio Chisari , Abhinav Valada

We present a novel method for real-time pose and shape reconstruction of two strongly interacting hands. Our approach is the first two-hand tracking solution that combines an extensive list of favorable properties, namely it is marker-less,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Franziska Mueller , Micah Davis , Florian Bernard , Oleksandr Sotnychenko , Mickeal Verschoor , Miguel A. Otaduy , Dan Casas , Christian Theobalt

Autonomous dual-arm manipulation is an essential skill to deploy robots in unstructured scenarios. However, this is a challenging undertaking, particularly in terms of perception and planning. Unstructured scenarios are full of objects with…

Currently, robotic grasping methods based on sparse partial point clouds have attained a great grasping performance on various objects while they often generate wrong grasping candidates due to the lack of geometric information on the…

Robotics · Computer Science 2022-10-18 Wenkai Chen , Hongzhuo Liang , Zhaopeng Chen , Fuchun Sun , Jianwei Zhang

Robot grasp typically follows five stages: object detection, object localisation, object pose estimation, grasp pose estimation, and grasp planning. We focus on object pose estimation. Our approach relies on three pieces of information:…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Sujal Vijayaraghavan , Redwan Alqasemi , Rajiv Dubey , Sudeep Sarkar

Transparent object grasping remains a persistent challenge in robotics, largely due to the difficulty of acquiring precise 3D information. Conventional optical 3D sensors struggle to capture transparent objects, and machine learning methods…

Robotics · Computer Science 2025-04-15 Yi Han , Zixin Lin , Dongjie Li , Lvping Chen , Yongliang Shi , Gan Ma

Accurate 3D reconstruction of the hand and object shape from a hand-object image is important for understanding human-object interaction as well as human daily activities. Different from bare hand pose estimation, hand-object interaction…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Yujin Chen , Zhigang Tu , Di Kang , Ruizhi Chen , Linchao Bao , Zhengyou Zhang , Junsong Yuan

Manipulating unseen objects is challenging without a 3D representation, as objects generally have occluded surfaces. This requires physical interaction with objects to build their internal representations. This paper presents an approach…

Robotics · Computer Science 2024-10-27 Saptarshi Dasgupta , Akshat Gupta , Shreshth Tuli , Rohan Paul

Intelligent vision control systems for surgical robots should adapt to unknown and diverse objects while being robust to system disturbances. Previous methods did not meet these requirements due to mainly relying on pose estimation and…

Robotics · Computer Science 2024-05-29 Hongbin Lin , Bin Li , Chun Wai Wong , Juan Rojas , Xiangyu Chu , Kwok Wai Samuel Au

Robotic grasping of arbitrary objects even in completely known environments still remains a challenging problem. Most previously developed algorithms had focused on fingertip grasp, failing to solve the problem even for fully actuated…

Robotics · Computer Science 2019-07-23 IA Sainul , Sankha Deb , AK Deb

Existing shape estimation methods for deformable object manipulation suffer from the drawbacks of being off-line, model dependent, noise-sensitive or occlusion-sensitive, and thus are not appropriate for manipulation tasks requiring high…

Robotics · Computer Science 2018-09-27 Tao Han , Xuan Zhao , Peigen Sun , Jia Pan

Grasping of novel objects in pick and place applications is a fundamental and challenging problem in robotics, specifically for complex-shaped objects. It is observed that the well-known strategies like \textit{i}) grasping from the…

Robotics · Computer Science 2020-01-08 Mohit Vohra , Ravi Prakash , Laxmidhar Behera

State-of-the-art object pose estimation methods are prone to generating geometrically infeasible pose hypotheses. This problem is prevalent in dexterous manipulation, where estimated poses often intersect with the robotic hand or are not…

Robotics · Computer Science 2026-03-24 Anil Zeybek , Rhys Newbury , Snehal Dikhale , Nawid Jamali , Soshi Iba , Akansel Cosgun

Shape modeling of volumetric medical images is crucial for quantitative analysis and surgical planning in computer-aided diagnosis. To alleviate the burden of expert clinicians, reconstructed shapes are typically obtained from deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Minghui Zhang , Hao Zheng , Yawen Huang , Ling Shao , Yun Gu

Picking up transparent objects is still a challenging task for robots. The visual properties of transparent objects such as reflection and refraction make the current grasping methods that rely on camera sensing fail to detect and localise…

Robotics · Computer Science 2022-08-23 Jiaqi Jiang , Guanqun Cao , Aaron Butterworth , Thanh-Toan Do , Shan Luo

Robotic dexterous grasping is a challenging problem due to the high degree of freedom (DoF) and complex contacts of multi-fingered robotic hands. Existing deep reinforcement learning (DRL) based methods leverage human demonstrations to…

Robotics · Computer Science 2023-10-18 Qingtao Liu , Yu Cui , Qi Ye , Zhengnan Sun , Haoming Li , Gaofeng Li , Lin Shao , Jiming Chen

The robotic manipulation of compliant objects is currently one of the most active problems in robotics due to its potential to automate many important applications. Despite the progress achieved by the robotics community in recent years,…

Robotics · Computer Science 2022-05-23 Jiaming Qi , Dongyu Li , Yufeng Gao , Peng Zhou , David Navarro-Alarcon

We present a new approach to transfer grasp configurations from prior example objects to novel objects. We assume the novel and example objects have the same topology and similar shapes. We perform 3D segmentation on these objects using…

Robotics · Computer Science 2018-10-30 Hao Tian , Changbo Wang , Dinesh Manocha , Xinyu Zhang

Many visual phenomena suggest that humans use top-down generative or reconstructive processes to create visual percepts (e.g., imagery, object completion, pareidolia), but little is known about the role reconstruction plays in robust object…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Seoyoung Ahn , Hossein Adeli , Gregory J. Zelinsky