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Grasping in cluttered scenes is challenging for robot vision systems, as detection accuracy can be hindered by partial occlusion of objects. We adopt a reinforcement learning (RL) framework and 3D vision architectures to search for feasible…

Robotics · Computer Science 2020-04-29 Xiangyu Chen , Zelin Ye , Jiankai Sun , Yuda Fan , Fang Hu , Chenxi Wang , Cewu Lu

We introduce Robowheel, a data engine that converts human hand object interaction (HOI) videos into training-ready supervision for cross morphology robotic learning. From monocular RGB or RGB-D inputs, we perform high precision HOI…

Computer vision/deep learning-based 3D human pose estimation methods aim to localize human joints from images and videos. Pose representation is normally limited to 3D joint positional/translational degrees of freedom (3DOFs), however, a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Kevin Gildea , Clara Mercadal-Baudart , Richard Blythman , Aljosa Smolic , Ciaran Simms

Teleoperation of humanoid robots has long been a challenging domain, necessitating advances in both hardware and software to achieve seamless and intuitive control. This paper presents an integrated solution based on several elements:…

We propose a novel framework for 3D hand shape reconstruction and hand-object grasp optimization from a single RGB image. The representation of hand-object contact regions is critical for accurate reconstructions. Instead of approximating…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Ziwei Yu , Linlin Yang , You Xie , Ping Chen , Angela Yao

Reconstructing 3D hand meshes from monocular RGB images has attracted increasing amount of attention due to its enormous potential applications in the field of AR/VR. Most state-of-the-art methods attempt to tackle this task in an anonymous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Deying Kong , Linguang Zhang , Liangjian Chen , Haoyu Ma , Xiangyi Yan , Shanlin Sun , Xingwei Liu , Kun Han , Xiaohui Xie

Object handover is a common human collaboration behavior that attracts attention from researchers in Robotics and Cognitive Science. Though visual perception plays an important role in the object handover task, the whole handover process…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Ruolin Ye , Wenqiang Xu , Zhendong Xue , Tutian Tang , Yanfeng Wang , Cewu Lu

We propose a control pipeline for SAG (Searching, Approaching, and Grasping) of objects, based on a decoupled arm kinematic chain and impedance control, which integrates image-based visual servoing (IBVS). The kinematic decoupling allows…

Robotics · Computer Science 2023-07-12 Riccardo Parosi , Mattia Risiglione , Darwin G. Caldwell , Claudio Semini , Victor Barasuol

This paper presents a method to learn hand-object interaction prior for reconstructing a 3D hand-object scene from a single RGB image. The inference as well as training-data generation for 3D hand-object scene reconstruction is challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Hongsuk Choi , Nikhil Chavan-Dafle , Jiacheng Yuan , Volkan Isler , Hyunsoo Park

We present an approach that can reconstruct hands in 3D from monocular input. Our approach for Hand Mesh Recovery, HaMeR, follows a fully transformer-based architecture and can analyze hands with significantly increased accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Georgios Pavlakos , Dandan Shan , Ilija Radosavovic , Angjoo Kanazawa , David Fouhey , Jitendra Malik

Accurate 3D reconstruction of hands and instruments is critical for vision-based analysis of ophthalmic microsurgery, yet progress has been hampered by the lack of realistic, large-scale datasets and reliable annotation tools. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Ming Hu , Zhengdi Yu , Feilong Tang , Kaiwen Chen , Yulong Li , Imran Razzak , Junjun He , Tolga Birdal , Kaijing Zhou , Zongyuan Ge

Manual lifting tasks are a major contributor to work-related musculoskeletal disorders, and effective ergonomic risk assessment is essential for quantifying physical exposure and informing ergonomic interventions. The Revised NIOSH Lifting…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Mohammad Sadra Rajabi , Aanuoluwapo Ojelade , Sunwook Kim , Maury A. Nussbaum

We propose a real-time vision-based teleoperation approach for robotic arms that employs a single depth-based camera, exempting the user from the need for any wearable devices. By employing a natural user interface, this novel approach…

Most existing hand gesture recognition (HGR) systems are limited to a predefined set of gestures. However, users and developers often want to recognize new, unseen gestures. This is challenging due to the vast diversity of all plausible…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Esha Uboweja , David Tian , Qifei Wang , Yi-Chun Kuo , Joe Zou , Lu Wang , George Sung , Matthias Grundmann

Task-oriented object grasping and rearrangement are critical skills for robots to accomplish different real-world manipulation tasks. However, they remain challenging due to partial observations of the objects and shape variations in…

Robotics · Computer Science 2026-03-06 Yichen Cai , Jianfeng Gao , Christoph Pohl , Tamim Asfour

Minimally invasive surgery (MIS) offers significant benefits such as reduced recovery time and minimised patient trauma, but poses challenges in visibility and access, making accurate 3D reconstruction a significant tool in surgical…

3D hand pose estimation has received a lot of attention for its wide range of applications and has made great progress owing to the development of deep learning. Existing approaches mainly consider different input modalities and settings,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Kuo-Wei Lee , Shih-Hung Liu , Hwann-Tzong Chen , Koichi Ito

Capturing fine-grained hand-object interactions is challenging due to severe self-occlusion from closely spaced fingers and the subtlety of in-hand manipulation motions. Existing optical motion capture systems rely on expensive camera…

Graphics · Computer Science 2026-02-13 Yutong Liang , Shiyi Xu , Yulong Zhang , Bowen Zhan , He Zhang , Libin Liu

We propose the first approach to the problem of inferring the depth map of a human hand based on a single RGB image. We achieve this with a Convolutional Neural Network (CNN) that employs a stacked hourglass model as its main building…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Vassilis C. Nicodemou , Iason Oikonomidis , Georgios Tzimiropoulos , Antonis Argyros

Controlling hand exoskeletons to assist individuals with grasping tasks poses a challenge due to the difficulty in understanding user intentions. We propose that most daily grasping tasks during activities of daily living (ADL) can be…

Robotics · Computer Science 2024-03-20 Chen Hu , Shirui Lyu , Eojin Rho , Daekyum Kim , Shan Luo , Letizia Gionfrida