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Robots are expected to replace menial tasks such as housework. Some of these tasks include nonprehensile manipulation performed without grasping objects. Nonprehensile manipulation is very difficult because it requires considering the…

Robotics · Computer Science 2022-06-23 Yuki Saigusa , Sho Sakaino , Toshiaki Tsuji

Imitation learning enables robots to learn and replicate human behavior from training data. Recent advances in machine learning enable end-to-end learning approaches that directly process high-dimensional observation data, such as images.…

Robotics · Computer Science 2024-01-22 Koki Yamane , Sho Sakaino , Toshiaki Tsuji

Deep reinforcement learning (RL) has emerged as a promising approach for autonomously acquiring complex behaviors from low level sensor observations. Although a large portion of deep RL research has focused on applications in video games…

Robotics · Computer Science 2021-02-08 Julian Ibarz , Jie Tan , Chelsea Finn , Mrinal Kalakrishnan , Peter Pastor , Sergey Levine

Imitation learning provides an efficient way to teach robots dexterous skills; however, learning complex skills robustly and generalizablely usually consumes large amounts of human demonstrations. To tackle this challenging problem, we…

Robotics · Computer Science 2024-09-30 Yanjie Ze , Gu Zhang , Kangning Zhang , Chenyuan Hu , Muhan Wang , Huazhe Xu

Imitation learning is a powerful machine learning algorithm for a robot to acquire manipulation skills. Nevertheless, many real-world manipulation tasks involve precise and dexterous robot-object interactions, which make it difficult for…

Robotics · Computer Science 2024-07-23 Zhao-Heng Yin , Pieter Abbeel

Humans can naturally learn to execute a new task by seeing it performed by other individuals once, and then reproduce it in a variety of configurations. Endowing robots with this ability of imitating humans from third person is a very…

Robotics · Computer Science 2019-11-05 Alessandro Bonardi , Stephen James , Andrew J. Davison

Imitation learning is an effective tool for robotic learning tasks where specifying a reinforcement learning (RL) reward is not feasible or where the exploration problem is particularly difficult. Imitation, typically behavior cloning or…

Robotics · Computer Science 2021-03-19 Yuxiang Zhou , Yusuf Aytar , Konstantinos Bousmalis

Robots need to learn behaviors in intuitive and practical ways for widespread deployment in human environments. To learn a robot behavior end-to-end, we train a variant of the ResNet that maps eye-in-hand camera images to end-effector…

Robotics · Computer Science 2019-06-10 Akansel Cosgun , Thomas Rowntree , Ian Reid , Tom Drummond

One of the challenges of full autonomy is to have a robot capable of manipulating its current environment to achieve another environment configuration. This paper is a step towards this challenge, focusing on the visual understanding of the…

Robotics · Computer Science 2020-11-24 Guilherme Maeda , Joni Väätäinen , Hironori Yoshida

A longstanding goal in character animation is to combine data-driven specification of behavior with a system that can execute a similar behavior in a physical simulation, thus enabling realistic responses to perturbations and environmental…

Graphics · Computer Science 2018-08-07 Xue Bin Peng , Pieter Abbeel , Sergey Levine , Michiel van de Panne

Learning to interact with the environment not only empowers the agent with manipulation capability but also generates information to facilitate building of action understanding and imitation capabilities. This seems to be a strategy adopted…

Robotics · Computer Science 2022-12-06 M. Y. Seker , A. Ahmetoglu , Y. Nagai , M. Asada , E. Oztop , E. Ugur

Large-scale multi-task robotic manipulation systems often rely on text to specify the task. In this work, we explore whether a robot can learn by observing humans. To do so, the robot must understand a person's intent and perform the…

This paper presents a hierarchical framework for Deep Reinforcement Learning that acquires motor skills for a variety of push recovery and balancing behaviors, i.e., ankle, hip, foot tilting, and stepping strategies. The policy is trained…

Robotics · Computer Science 2020-02-11 Chuanyu Yang , Kai Yuan , Wolfgang Merkt , Taku Komura , Sethu Vijayakumar , Zhibin Li

Mobile robot navigation in complex and dynamic environments is a challenging but important problem. Reinforcement learning approaches fail to solve these tasks efficiently due to reward sparsities, temporal complexities and…

Robotics · Computer Science 2018-04-30 Xi Chen , Ali Ghadirzadeh , John Folkesson , Patric Jensfelt

Deep networks trained on demonstrations of human driving have learned to follow roads and avoid obstacles. However, driving policies trained via imitation learning cannot be controlled at test time. A vehicle trained end-to-end to imitate…

Robotics · Computer Science 2018-03-05 Felipe Codevilla , Matthias Müller , Antonio López , Vladlen Koltun , Alexey Dosovitskiy

Over the past few years, deep learning techniques have achieved tremendous success in many visual understanding tasks such as object detection, image segmentation, and caption generation. Despite this thriving in computer vision and natural…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Anh Nguyen

We tackle real-world long-horizon robot manipulation tasks through skill discovery. We present a bottom-up approach to learning a library of reusable skills from unsegmented demonstrations and use these skills to synthesize prolonged robot…

Robotics · Computer Science 2022-01-25 Yifeng Zhu , Peter Stone , Yuke Zhu

Imitation Learning (IL) is an effective framework to learn visuomotor skills from offline demonstration data. However, IL methods often fail to generalize to new scene configurations not covered by training data. On the other hand, humans…

Robotics · Computer Science 2021-08-18 Chen Wang , Rui Wang , Ajay Mandlekar , Li Fei-Fei , Silvio Savarese , Danfei Xu

In this paper, we present TeachNet, a novel neural network architecture for intuitive and markerless vision-based teleoperation of dexterous robotic hands. Robot joint angles are directly generated from depth images of the human hand that…

Intrinsically motivated goal exploration algorithms enable machines to discover repertoires of policies that produce a diversity of effects in complex environments. These exploration algorithms have been shown to allow real world robots to…

Machine Learning · Computer Science 2018-10-11 Alexandre Péré , Sébastien Forestier , Olivier Sigaud , Pierre-Yves Oudeyer