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Dexterous robotic hands are appealing for their agility and human-like morphology, yet their high degree of freedom makes learning to manipulate challenging. We introduce an approach for learning dexterous grasping. Our key idea is to embed…

机器人学 · 计算机科学 2021-06-18 Priyanka Mandikal , Kristen Grauman

Robots are increasingly expected to manipulate objects in ever more unstructured environments where the object properties have high perceptual uncertainty from any single sensory modality. This directly impacts successful object…

机器人学 · 计算机科学 2022-07-15 Wenyu Liang , Fen Fang , Cihan Acar , Wei Qi Toh , Ying Sun , Qianli Xu , Yan Wu

In the field of robotic manipulation, the proficiency of deformable object manipulation lags behind human capabilities due to the inherent characteristics of deformable objects. These objects have infinite degrees of freedom, resulting in…

机器人学 · 计算机科学 2023-11-17 Peng Zhou

Learning to manipulate 3D objects in an interactive environment has been a challenging problem in Reinforcement Learning (RL). In particular, it is hard to train a policy that can generalize over objects with different semantic categories,…

机器人学 · 计算机科学 2022-09-28 Yiran Geng , Boshi An , Haoran Geng , Yuanpei Chen , Yaodong Yang , Hao Dong

Dexterous manipulation with a multi-finger hand is one of the most challenging problems in robotics. While recent progress in imitation learning has largely improved the sample efficiency compared to Reinforcement Learning, the learned…

机器人学 · 计算机科学 2022-06-30 Yueh-Hua Wu , Jiashun Wang , Xiaolong Wang

Using visual model-based learning for deformable object manipulation is challenging due to difficulties in learning plannable visual representations along with complex dynamic models. In this work, we propose a new learning framework that…

机器学习 · 计算机科学 2020-03-12 Wilson Yan , Ashwin Vangipuram , Pieter Abbeel , Lerrel Pinto

We demonstrate model-based, visual robot manipulation of linear deformable objects. Our approach is based on a state-space representation of the physical system that the robot aims to control. This choice has multiple advantages, including…

机器人学 · 计算机科学 2020-10-07 Mengyuan Yan , Yilin Zhu , Ning Jin , Jeannette Bohg

In this paper we tackle the problem of deformable object manipulation through model-free visual reinforcement learning (RL). In order to circumvent the sample inefficiency of RL, we propose two key ideas that accelerate learning. First, we…

机器人学 · 计算机科学 2020-03-04 Yilin Wu , Wilson Yan , Thanard Kurutach , Lerrel Pinto , Pieter Abbeel

Affordance, defined as the potential actions that an object offers, is crucial for embodied AI agents. For example, such knowledge directs an agent to grasp a knife by the handle for cutting or by the blade for safe handover. While existing…

Planning in realistic environments requires searching in large planning spaces. Affordances are a powerful concept to simplify this search, because they model what actions can be successful in a given situation. However, the classical…

机器人学 · 计算机科学 2021-06-24 Danfei Xu , Ajay Mandlekar , Roberto Martín-Martín , Yuke Zhu , Silvio Savarese , Li Fei-Fei

Robotic manipulation of deformable 1D objects such as ropes, cables, and hoses is challenging due to the lack of high-fidelity analytic models and large configuration spaces. Furthermore, learning end-to-end manipulation policies directly…

We have seen much recent progress in rigid object manipulation, but interaction with deformable objects has notably lagged behind. Due to the large configuration space of deformable objects, solutions using traditional modelling approaches…

机器人学 · 计算机科学 2018-10-09 Jan Matas , Stephen James , Andrew J. Davison

We explore how intermediate policy representations can facilitate generalization by providing guidance on how to perform manipulation tasks. Existing representations such as language, goal images, and trajectory sketches have been shown to…

机器人学 · 计算机科学 2024-11-06 Soroush Nasiriany , Sean Kirmani , Tianli Ding , Laura Smith , Yuke Zhu , Danny Driess , Dorsa Sadigh , Ted Xiao

It is essential yet challenging for future home-assistant robots to understand and manipulate diverse 3D objects in daily human environments. Towards building scalable systems that can perform diverse manipulation tasks over various 3D…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yan Zhao , Ruihai Wu , Zhehuan Chen , Yourong Zhang , Qingnan Fan , Kaichun Mo , Hao Dong

Robots operating in human-centered environments should have the ability to understand how objects function: what can be done with each object, where this interaction may occur, and how the object is used to achieve a goal. To this end, we…

机器人学 · 计算机科学 2022-03-02 Jessica Borja-Diaz , Oier Mees , Gabriel Kalweit , Lukas Hermann , Joschka Boedecker , Wolfram Burgard

Manipulating deformable objects arises in daily life and numerous applications. Despite phenomenal advances in industrial robotics, manipulation of deformable objects remains mostly a manual task. This is because of the high number of…

机器人学 · 计算机科学 2024-01-31 Burak Aksoy , John Wen

With the field of rigid-body robotics having matured in the last fifty years, routing, planning, and manipulation of deformable objects have recently emerged as a more untouched research area in many fields ranging from surgical robotics to…

机器人学 · 计算机科学 2023-01-03 Azarakhsh Keipour , Maryam Bandari , Stefan Schaal

We propose a framework for deformable linear object prediction. Prediction of deformable objects (e.g., rope) is challenging due to their non-linear dynamics and infinite-dimensional configuration spaces. By mapping the dynamics from a…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Wenbo Zhang , Karl Schmeckpeper , Pratik Chaudhari , Kostas Daniilidis

Manipulating deformable objects is a ubiquitous task in household environments, demanding adequate representation and accurate dynamics prediction due to the objects' infinite degrees of freedom. This work proposes DeformNet, which utilizes…

机器人学 · 计算机科学 2024-02-13 Chenchang Li , Zihao Ai , Tong Wu , Xiaosa Li , Wenbo Ding , Huazhe Xu

Robotic fabric manipulation is challenging due to the infinite dimensional configuration space, self-occlusion, and complex dynamics of fabrics. There has been significant prior work on learning policies for specific deformable manipulation…

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