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Shape completion networks have been used recently in real-world robotic experiments to complete the missing/hidden information in environments where objects are only observed in one or few instances where self-occlusions are bound to occur.…

机器人学 · 计算机科学 2025-04-24 Nuno Ferreira Duarte , Seyed S. Mohammadi , Plinio Moreno , Alessio Del Bue , Jose Santos-Victor

In this paper, we demonstrate an end-to-end spatiotemporal gesture learning approach for 3D point cloud data using a new gestures dataset of point clouds acquired from a 3D sensor. Nine classes of gestures were learned from gestures sample…

计算机视觉与模式识别 · 计算机科学 2018-04-25 Joshua Owoyemi , Koichi Hashimoto

In this paper, we introduce a Grasp Manifold Estimator (GraspME) to detect grasp affordances for objects directly in 2D camera images. To perform manipulation tasks autonomously it is crucial for robots to have such graspability models of…

机器人学 · 计算机科学 2021-07-06 Janik Hager , Ruben Bauer , Marc Toussaint , Jim Mainprice

In this paper, we investigate hand gesture classifiers that rely upon the abstracted 'skeletal' data recorded using the RGB-Depth sensor. We focus on 'skeletal' data represented by the body joint coordinates, from the Praxis dataset. The…

人工智能 · 计算机科学 2023-11-03 Rahat Islam , Kenneth Lai , Svetlana Yanushkevich

Knowledge of the 6D pose of an object can benefit in-hand object manipulation. In-hand 6D object pose estimation is challenging because of heavy occlusion produced by the robot's grippers, which can have an adverse effect on methods that…

Precision grasps with multi-fingered hands are important for precise placement and in-hand manipulation tasks. Searching precision grasps on the object represented by point cloud, is challenging due to the complex object shape,…

机器人学 · 计算机科学 2019-04-17 Yongxiang Fan , Xinghao Zhu , Masayoshi Tomizuka

Reliable robotic grasping in unstructured environments is a crucial but challenging task. The main problem is to generate the optimal grasp of novel objects from partial noisy observations. This paper presents an end-to-end grasp detection…

机器人学 · 计算机科学 2021-03-26 Binglei Zhao , Hanbo Zhang , Xuguang Lan , Haoyu Wang , Zhiqiang Tian , Nanning Zheng

To reduce data collection time for deep learning of robust robotic grasp plans, we explore training from a synthetic dataset of 6.7 million point clouds, grasps, and analytic grasp metrics generated from thousands of 3D models from Dex-Net…

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,…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Kuo-Wei Lee , Shih-Hung Liu , Hwann-Tzong Chen , Koichi Ito

We present a learning-based method for representing grasp poses of a high-DOF hand using neural networks. Due to redundancy in such high-DOF grippers, there exists a large number of equally effective grasp poses for a given target object,…

机器人学 · 计算机科学 2020-07-17 Min Liu , Zherong Pan , Kai Xu , Kanishka Ganguly , Dinesh Manocha

Upper limb and hand functionality is critical to many activities of daily living and the amputation of one can lead to significant functionality loss for individuals. From this perspective, advanced prosthetic hands of the future are…

机器人学 · 计算机科学 2021-03-09 Mo Han , Sezen Ya{ğ}mur Günay , Gunar Schirner , Taşkın Padır , Deniz Erdo{ğ}muş

Many amputees throughout the world are left with limited options to personally own a prosthetic arm due to the expensive cost, mechanical system complexity, and lack of availability. The three main control methods of prosthetic hands are:…

人工智能 · 计算机科学 2021-03-04 Alishba Imran , William Escobar , Freidoon Barez

Robotic grasp should be carried out in a real-time manner by proper accuracy. Perception is the first and significant step in this procedure. This paper proposes an improved pipeline model trying to detect grasp as a rectangle…

机器人学 · 计算机科学 2024-03-12 Hamed Hosseini , Mehdi Tale Masouleh , Ahmad Kalhor

Learning robotic grasps from visual observations is a promising yet challenging task. Recent research shows its great potential by preparing and learning from large-scale synthetic datasets. For the popular, 6 degree-of-freedom (6-DOF)…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Chaozheng Wu , Jian Chen , Qiaoyu Cao , Jianchi Zhang , Yunxin Tai , Lin Sun , Kui Jia

Static gesture recognition is an effective non-verbal communication channel between a user and their devices; however many modern methods are sensitive to the relative pose of the user's hands with respect to the capture device, as parts of…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Ilya Chugunov , Avideh Zakhor

Our research investigates vibrotactile perception in four prosthetic hands with distinct kinematics and mechanical characteristics. We found that rigid and simple socket-based prosthetic devices can transmit tactile information and…

机器人学 · 计算机科学 2024-08-23 Alessia Silvia Ivani , Manuel G. Catalano , Giorgio Grioli , Matteo Bianchi , Yon Visell , Antonio Bicchi

For transradial amputees, robotic prosthetic hands promise to regain the capability to perform daily living activities. To advance next-generation prosthetic hand control design, it is crucial to address current shortcomings in robustness…

机器人学 · 计算机科学 2025-08-12 Mehrshad Zandigohar , Mallesham Dasari , Gunar Schirner

Training a deep network policy for robot manipulation is notoriously costly and time consuming as it depends on collecting a significant amount of real world data. To work well in the real world, the policy needs to see many instances of…

机器人学 · 计算机科学 2019-06-24 Xinchen Yan , Mohi Khansari , Jasmine Hsu , Yuanzheng Gong , Yunfei Bai , Sören Pirk , Honglak Lee

This work presents the design, implementation and validation of learning techniques based on the kNN scheme for gesture detection in prosthetic control. To cope with high computational demands in instance-based prediction, methods of…

人机交互 · 计算机科学 2023-08-23 Tim Sziburis , Markus Nowak , Davide Brunelli

Grasping objects with limited or no prior knowledge about them is a highly relevant skill in assistive robotics. Still, in this general setting, it has remained an open problem, especially when it comes to only partial observability and…

机器人学 · 计算机科学 2026-01-21 Matthias Humt , Dominik Winkelbauer , Ulrich Hillenbrand , Berthold Bäuml