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Robotic object rearrangement combines the skills of picking and placing objects. When object models are unavailable, typical collision-checking models may be unable to predict collisions in partial point clouds with occlusions, making…

机器人学 · 计算机科学 2021-03-29 Michael Danielczuk , Arsalan Mousavian , Clemens Eppner , Dieter Fox

Dexterous grasping of unseen objects in dynamic environments is an essential prerequisite for the advanced manipulation of autonomous robots. Prior advances rely on several assumptions that simplify the setup, including environment…

机器人学 · 计算机科学 2024-04-09 Yannick Burkhardt , Qian Feng , Jianxiang Feng , Karan Sharma , Zhaopeng Chen , Alois Knoll

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…

计算机视觉与模式识别 · 计算机科学 2019-07-18 Samarth Brahmbhatt , Charles C. Kemp , James Hays

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.,…

机器人学 · 计算机科学 2022-03-03 Xibai Lou , Yang Yang , Changhyun Choi

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

The ability of robots to grasp novel objects has industry applications in e-commerce order fulfillment and home service. Data-driven grasping policies have achieved success in learning general strategies for grasping arbitrary objects.…

机器人学 · 计算机科学 2020-11-12 Han Yu Li , Michael Danielczuk , Ashwin Balakrishna , Vishal Satish , Ken Goldberg

We present a novel approach to interactive 3D object perception for robots. Unlike previous perception algorithms that rely on known object models or a large amount of annotated training data, we propose a poking-based approach that…

机器人学 · 计算机科学 2023-02-28 Linghao Chen , Yunzhou Song , Hujun Bao , Xiaowei Zhou

A segmentation-based architecture is proposed to decompose objects into multiple primitive shapes from monocular depth input for robotic manipulation. The backbone deep network is trained on synthetic data with 6 classes of primitive shapes…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Yunzhi Lin , Chao Tang , Fu-Jen Chu , Patricio A. Vela

Grasping with anthropomorphic robotic hands involves much more hand-object interactions compared to parallel-jaw grippers. Modeling hand-object interactions is essential to the study of multi-finger hand dextrous manipulation. This work…

机器人学 · 计算机科学 2022-11-22 Wei Wei , Daheng Li , Peng Wang , Yiming Li , Wanyi Li , Yongkang Luo , Jun Zhong

Humans have the remarkable ability to use held objects as tools to interact with their environment. For this to occur, humans internally estimate how hand movements affect the object's movement. We wish to endow robots with this capability.…

机器人学 · 计算机科学 2024-07-16 Weiming Zhi , Haozhan Tang , Tianyi Zhang , Matthew Johnson-Roberson

Training computers to understand, model, and synthesize human grasping requires a rich dataset containing complex 3D object shapes, detailed contact information, hand pose and shape, and the 3D body motion over time. While "grasping" is…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Omid Taheri , Nima Ghorbani , Michael J. Black , Dimitrios Tzionas

Grasping is a complex process involving knowledge of the object, the surroundings, and of oneself. While humans are able to integrate and process all of the sensory information required for performing this task, equipping machines with this…

机器人学 · 计算机科学 2017-01-12 Matthew Veres , Medhat Moussa , Graham W. Taylor

It has always been expected that a robot can be easily deployed to unknown scenarios, accomplishing robotic grasping tasks without human intervention. Nevertheless, existing grasp detection approaches are typically off-body techniques and…

机器人学 · 计算机科学 2025-04-08 Jin Liu , Jialong Xie , Leibing Xiao , Chaoqun Wang , Fengyu Zhou

Precise robotic grasping of several novel objects is a huge challenge in manufacturing, automation, and logistics. Most of the current methods for model-free grasping are disadvantaged by the sparse data in grasping datasets and by errors…

机器人学 · 计算机科学 2023-01-31 Lei Zhang , Kaixin Bai , Zhaopeng Chen , Yunlei Shi , Jianwei Zhang

Task-oriented grasping of unfamiliar objects is a necessary skill for robots in dynamic in-home environments. Inspired by the human capability to grasp such objects through intuition about their shape and structure, we present a novel…

机器人学 · 计算机科学 2024-03-28 Samuel Li , Sarthak Bhagat , Joseph Campbell , Yaqi Xie , Woojun Kim , Katia Sycara , Simon Stepputtis

A challenge in robot grasping is to achieve task-grasping which is to select a grasp that is advantageous to the success of tasks before and after grasps. One of the frameworks to address this difficulty is Learning-from-Observation (LfO),…

机器人学 · 计算机科学 2022-03-03 Daichi Saito , Kazuhiro Sasabuchi , Naoki Wake , Jun Takamatsu , Hideki Koike , Katsushi Ikeuchi

Motivated by the stringent requirements of unstructured real-world where a plethora of unknown objects reside in arbitrary locations of the surface, we propose a voxel-based deep 3D Convolutional Neural Network (3D CNN) that generates…

机器人学 · 计算机科学 2020-10-02 Xibai Lou , Yang Yang , Changhyun Choi

Robotic research encounters a significant hurdle when it comes to the intricate task of grasping objects that come in various shapes, materials, and textures. Unlike many prior investigations that heavily leaned on specialized point-cloud…

机器人学 · 计算机科学 2024-03-15 Chang Liu , Kejian Shi , Kaichen Zhou , Haoxiao Wang , Jiyao Zhang , Hao Dong

We present a probabilistic approach for building, on the fly, 3-D models of unknown objects while being manipulated by a robot. We specifically consider manipulation tasks in piles of clutter that contain previously unseen objects. Most…

机器人学 · 计算机科学 2019-03-15 Changkyu Song , Abdeslam Boularias

This paper introduces key machine learning operations that allow the realization of robust, joint 6D pose estimation of multiple instances of objects either densely packed or in unstructured piles from RGB-D data. The first objective is to…

机器人学 · 计算机科学 2019-10-14 Chaitanya Mitash , Bowen Wen , Kostas Bekris , Abdeslam Boularias