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This paper introduces a novel design for a robotic hand based on parallel mechanisms. The proposed hand uses a triple-symmetric Bricard linkage as its reconfigurable palm, enhancing adaptability to objects of varying shapes and sizes.…

Robotics · Computer Science 2026-03-03 Chunxu Tian , Zhichao Huang , Hongzeng Li , Bo Wang , Jinghao Jia , Yirui Sun , Dan Zhang

In this paper we present a visual servoing approach to the problem of object grasping and more generally, to the problem of aligning an end-effector with an object. First we extend the method proposed by Espiau et al. [1] to the case of a…

Robotics · Computer Science 2023-11-22 Radu Horaud , Fadi Dornaika , Bernard Espiau

Given point cloud input, the problem of 6-DoF grasp pose detection is to identify a set of hand poses in SE(3) from which an object can be successfully grasped. This important problem has many practical applications. Here we propose a novel…

Robotics · Computer Science 2022-11-02 Haojie Huang , Dian Wang , Xupeng Zhu , Robin Walters , Robert Platt

Detecting symmetry is crucial for effective object grasping for several reasons. Recognizing symmetrical features or axes within an object helps in developing efficient grasp strategies, as grasping along these axes typically results in a…

Robotics · Computer Science 2026-02-10 Omar Tahri

Achieving dexterous robotic grasping with multi-fingered hands remains a significant challenge. While existing methods rely on complete 3D scans to predict grasp poses, these approaches face limitations due to the difficulty of acquiring…

Tracking the full skeletal pose of the hands and fingers is a challenging problem that has a plethora of applications for user interaction. Existing techniques either require wearable hardware, add restrictions to user pose, or require…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Stan Melax , Leonid Keselman , Sterling Orsten

3D grasp synthesis generates grasping poses given an input object. Existing works tackle the problem by learning a direct mapping from objects to the distributions of grasping poses. However, because the physical contact is sensitive to…

Robotics · Computer Science 2023-05-09 Haoming Li , Xinzhuo Lin , Yang Zhou , Xiang Li , Yuchi Huo , Jiming Chen , Qi Ye

Precisely grasping an object is a challenging task due to pose uncertainties. Conventional methods have used cameras and fixtures to reduce object uncertainty. They are effective but require intensive preparation, such as designing jigs…

Robotics · Computer Science 2025-07-01 Ryuta Nagahama , Weiwei Wan , Zhengtao Hu , Kensuke Harada

This paper presents a novel approach for the automatic offline grasp pose synthesis on known rigid objects for parallel jaw grippers. We use several criteria such as gripper stroke, surface friction, and a collision check to determine…

Robotics · Computer Science 2021-04-26 Kilian Kleeberger , Florian Roth , Richard Bormann , Marco F. Huber

Single image pose estimation is a fundamental problem in many vision and robotics tasks, and existing deep learning approaches suffer by not completely modeling and handling: i) uncertainty about the predictions, and ii) symmetric objects…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Kieran Murphy , Carlos Esteves , Varun Jampani , Srikumar Ramalingam , Ameesh Makadia

Deep learning is an established framework for learning hierarchical data representations. While compute power is in abundance, one of the main challenges in applying this framework to robotic grasping has been obtaining the amount of data…

Robotics · Computer Science 2017-04-19 Matthew Veres , Medhat Moussa , Graham W. Taylor

This paper presents a comprehensive survey on vision-based robotic grasping. We conclude three key tasks during vision-based robotic grasping, which are object localization, object pose estimation and grasp estimation. In detail, the object…

Robotics · Computer Science 2020-12-24 Guoguang Du , Kai Wang , Shiguo Lian , Kaiyong Zhao

We propose GAGrasp, a novel framework for dexterous grasp generation that leverages geometric algebra representations to enforce equivariance to SE(3) transformations. By encoding the SE(3) symmetry constraint directly into the…

Robotics · Computer Science 2025-03-07 Tao Zhong , Christine Allen-Blanchette

Humans excel at grasping objects and manipulating them. Capturing human grasps is important for understanding grasping behavior and reconstructing it realistically in Virtual Reality (VR). However, grasp capture - capturing the pose of a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Samarth Brahmbhatt , Charles C. Kemp , James Hays

Every time a person encounters an object with a given degree of familiarity, he/she immediately knows how to grasp it. Adaptation of the movement of the hand according to the object geometry happens effortlessly because of the accumulated…

Robotics · Computer Science 2018-10-19 Diego Rodriguez , Antonio Di Guardo , Antonio Frisoli , Sven Behnke

We consider the problem of learning a common representation for dexterous manipulation across manipulators of different morphologies. To this end, we propose PCHands, a novel approach for extracting hand postural synergies from a large set…

Robotics · Computer Science 2025-10-29 En Yen Puang , Federico Ceola , Giulia Pasquale , Lorenzo Natale

Humans excel in grasping and manipulating objects because of their life-long experience and knowledge about the 3D shape and weight distribution of objects. However, the lack of such intuition in robots makes robotic grasping an…

Computer Vision and Pattern Recognition · Computer Science 2018-11-05 Ghazal Ghazaei , Iro Laina , Christian Rupprecht , Federico Tombari , Nassir Navab , Kianoush Nazarpour

Synthesizing 3D whole bodies that realistically grasp objects is useful for animation, mixed reality, and robotics. This is challenging, because the hands and body need to look natural w.r.t. each other, the grasped object, as well as the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Georgios Paschalidis , Romana Wilschut , Dimitrije Antić , Omid Taheri , Dimitrios Tzionas

In haptic object discrimination, the effect of gripper embodiment, action parameters, and sensory channels has not been systematically studied. We used two anthropomorphic hands and two 2-finger grippers to grasp two sets of deformable…

Generating stable and robust grasps on arbitrary objects is critical for dexterous robotic hands, marking a significant step towards advanced dexterous manipulation. Previous studies have mostly focused on improving differentiable grasping…

Robotics · Computer Science 2024-04-26 Sirui Chen , Jeannette Bohg , C. Karen Liu