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Modern robotic manipulation primarily relies on visual observations in a 2D color space for skill learning but suffers from poor generalization. In contrast, humans, living in a 3D world, depend more on physical properties-such as distance,…

Robot manipulation in cluttered environments often requires complex and sequential rearrangement of multiple objects in order to achieve the desired reconfiguration of the target objects. Due to the sophisticated physical interactions…

Robotics · Computer Science 2022-08-05 Kejia Ren , Lydia E. Kavraki , Kaiyu Hang

This paper presents a novel concept to support physically impaired humans in daily object manipulation tasks with a robot. Given a user's manipulation sequence, we propose a predictive model that uniquely casts the user's sequential…

Robotics · Computer Science 2023-09-11 Theodoros Stouraitis , Michael Gienger

The definition of symbolic descriptions that consistently represent relevant geometrical aspects in manipulation tasks is a challenging problem that has received little attention in the robotic community. This definition is usually done…

Artificial Intelligence · Computer Science 2020-07-17 Alejandro Agostini , Dongheui Lee

Planning motions for two robot arms to move an object collaboratively is a difficult problem, mainly because of the closed-chain constraint, which arises whenever two robot hands simultaneously grasp a single rigid object. In this paper, we…

Robotics · Computer Science 2017-05-09 Puttichai Lertkultanon , Quang-Cuong Pham

Learning complex manipulation tasks in realistic, obstructed environments is a challenging problem due to hard exploration in the presence of obstacles and high-dimensional visual observations. Prior work tackles the exploration problem by…

Machine Learning · Computer Science 2021-11-12 I-Chun Arthur Liu , Shagun Uppal , Gaurav S. Sukhatme , Joseph J. Lim , Peter Englert , Youngwoon Lee

We propose an unsupervised vision-based system to estimate the joint configurations of the robot arm from a sequence of RGB or RGB-D images without knowing the model a priori, and then adapt it to the task of category-independent…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Qihao Liu , Weichao Qiu , Weiyao Wang , Gregory D. Hager , Alan L. Yuille

Humans inherently possess generalizable visual representations that empower them to efficiently explore and interact with the environments in manipulation tasks. We advocate that such a representation automatically arises from…

This paper proposes a new control framework for manipulating soft objects. A Deep Reinforcement Learning (DRL) approach is used to make the shape of a deformable object reach a set of desired points by controlling a robotic arm which…

We present a framework for solving long-horizon planning problems involving manipulation of rigid objects that operates directly from a point-cloud observation, i.e. without prior object models. Our method plans in the space of object…

Machine learning techniques have enabled robots to learn narrow, yet complex tasks and also perform broad, yet simple skills with a wide variety of objects. However, learning a model that can both perform complex tasks and generalize to…

Robotics · Computer Science 2019-04-12 Annie Xie , Frederik Ebert , Sergey Levine , Chelsea Finn

We propose a novel approach to multi-fingered grasp planning leveraging learned deep neural network models. We train a voxel-based 3D convolutional neural network to predict grasp success probability as a function of both visual information…

Robotics · Computer Science 2020-03-20 Qingkai Lu , Mark Van der Merwe , Balakumar Sundaralingam , Tucker Hermans

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

The vast majority of visual animals actively control their eyes, heads, and/or bodies to direct their gaze toward different parts of their environment. In contrast, recent applications of reinforcement learning in robotic manipulation…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Youssef Zaky , Gaurav Paruthi , Bryan Tripp , James Bergstra

Manipulation of deformable objects, such as ropes and cloth, is an important but challenging problem in robotics. We present a learning-based system where a robot takes as input a sequence of images of a human manipulating a rope from an…

Computer Vision and Pattern Recognition · Computer Science 2017-03-07 Ashvin Nair , Dian Chen , Pulkit Agrawal , Phillip Isola , Pieter Abbeel , Jitendra Malik , Sergey Levine

Grasping large and flat objects (e.g. a book or a pan) is often regarded as an ungraspable task, which poses significant challenges due to the unreachable grasping poses. Previous works leverage Extrinsic Dexterity like walls or table edges…

Robotics · Computer Science 2024-12-12 Chengzhong Ma , Houxue Yang , Hanbo Zhang , Zeyang Liu , Chao Zhao , Jian Tang , Xuguang Lan , Nanning Zheng

Vision-Language Models (VLMs) demonstrate remarkable potential in robotic manipulation, yet challenges persist in executing complex fine manipulation tasks with high speed and precision. While excelling at high-level planning, existing VLM…

Robotics · Computer Science 2025-03-10 Qingxuan Jia , Guoqin Tang , Zeyuan Huang , Zixuan Hao , Ning Ji , Shihang , Yin , Gang Chen

We present a strategy for designing and building very general robot manipulation systems involving the integration of a general-purpose task-and-motion planner with engineered and learned perception modules that estimate properties and…

One of the long-term challenges of robotics is to enable robots to interact with humans in the visual world via natural language, as humans are visual animals that communicate through language. Overcoming this challenge requires the ability…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Yuankai Qi , Qi Wu , Peter Anderson , Xin Wang , William Yang Wang , Chunhua Shen , Anton van den Hengel

Industrial robots are widely used in various manufacturing environments due to their efficiency in doing repetitive tasks such as assembly or welding. A common problem for these applications is to reach a destination without colliding with…

Robotics · Computer Science 2023-01-18 Teham Bhuiyan , Linh Kästner , Yifan Hu , Benno Kutschank , Jens Lambrecht