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Numerous past works have tackled the problem of task-driven navigation. But, how to effectively explore a new environment to enable a variety of down-stream tasks has received much less attention. In this work, we study how agents can…

Robotics · Computer Science 2019-03-06 Tao Chen , Saurabh Gupta , Abhinav Gupta

Deep Reinforcement Learning has been successfully applied in various computer games [8]. However, it is still rarely used in real-world applications, especially for the navigation and continuous control of real mobile robots [13]. Previous…

Autonomous navigation is an essential capability of smart mobility for mobile robots. Traditional methods must have the environment map to plan a collision-free path in workspace. Deep reinforcement learning (DRL) is a promising technique…

Robotics · Computer Science 2019-04-23 Liulong Ma , Yanjie Liu , Jiao Chen , Dong Jin

Visual navigation is essential for many applications in robotics, from manipulation, through mobile robotics to automated driving. Deep reinforcement learning (DRL) provides an elegant map-free approach integrating image processing,…

Robotics · Computer Science 2020-10-22 Jonáš Kulhánek , Erik Derner , Robert Babuška

Enabling robots to autonomously navigate complex environments is essential for real-world deployment. Prior methods approach this problem by having the robot maintain an internal map of the world, and then use a localization and planning…

Machine Learning · Computer Science 2018-05-21 Gregory Kahn , Adam Villaflor , Bosen Ding , Pieter Abbeel , Sergey Levine

In this paper, we present an autonomous navigation system for goal-driven exploration of unknown environments through deep reinforcement learning (DRL). Points of interest (POI) for possible navigation directions are obtained from the…

Robotics · Computer Science 2021-09-10 Reinis Cimurs , Il Hong Suh , Jin Han Lee

Humans can routinely follow a trajectory defined by a list of images/landmarks. However, traditional robot navigation methods require accurate mapping of the environment, localization, and planning. Moreover, these methods are sensitive to…

Robotics · Computer Science 2019-05-30 Noriaki Hirose , Fei Xia , Roberto Martin-Martin , Amir Sadeghian , Silvio Savarese

We study how robots can autonomously learn skills that require a combination of navigation and grasping. While reinforcement learning in principle provides for automated robotic skill learning, in practice reinforcement learning in the real…

Machine Learning · Computer Science 2021-12-08 Charles Sun , Jędrzej Orbik , Coline Devin , Brian Yang , Abhishek Gupta , Glen Berseth , Sergey Levine

We present a semantically rich graph representation for indoor robotic navigation. Our graph representation encodes: semantic locations such as offices or corridors as nodes, and navigational behaviors such as enter office or cross a…

Artificial Intelligence · Computer Science 2018-03-13 Gabriel Sepulveda , Juan Carlos Niebles , Alvaro Soto

Mobile robotics is a research area that has witnessed incredible advances for the last decades. Robot navigation is an essential task for mobile robots. Many methods are proposed for allowing robots to navigate within different…

Robotics · Computer Science 2021-02-18 Omar Mohamed , Zeyad Mohsen , Mohamed Wageeh , Mohamed Hegazy

Deep reinforcement learning in continuous domains focuses on learning control policies that map states to distributions over actions that ideally concentrate on the optimal choices in each step. In multi-agent navigation problems, the…

Robotics · Computer Science 2022-10-20 Chenning Yu , Hongzhan Yu , Sicun Gao

Deep reinforcement learning (DRL) demonstrates its potential in learning a model-free navigation policy for robot visual navigation. However, the data-demanding algorithm relies on a large number of navigation trajectories in training.…

Robotics · Computer Science 2018-02-27 Kaichun Mo , Haoxiang Li , Zhe Lin , Joon-Young Lee

This paper explores the method of achieving autonomous navigation of unmanned vehicles through Deep Reinforcement Learning (DRL). The focus is on using the Deep Deterministic Policy Gradient (DDPG) algorithm to address issues in…

Robotics · Computer Science 2024-07-30 Letian Xu , Jiabei Liu , Haopeng Zhao , Tianyao Zheng , Tongzhou Jiang , Lipeng Liu

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

We present a robot navigation system that uses an imitation learning framework to successfully navigate in complex environments. Our framework takes a pre-built 3D scan of a real environment and trains an agent from pre-generated expert…

Robotics · Computer Science 2020-09-28 David Watkins-Valls , Jingxi Xu , Nicholas Waytowich , Peter Allen

In this paper, we propose a novel Deep Reinforcement Learning approach to address the mapless navigation problem, in which the locomotion actions of a humanoid robot are taken online based on the knowledge encoded in learned models.…

Robotics · Computer Science 2021-08-10 Andre Brandenburger , Diego Rodriguez , Sven Behnke

Visual navigation tasks in real-world environments often require both self-motion and place recognition feedback. While deep reinforcement learning has shown success in solving these perception and decision-making problems in an end-to-end…

Robotics · Computer Science 2020-03-03 Marvin Chancán , Michael Milford

We present a target-driven navigation system to improve mapless visual navigation in indoor scenes. Our method takes a multi-view observation of a robot and a target as inputs at each time step to provide a sequence of actions that move the…

Robotics · Computer Science 2022-05-10 Qiaoyun Wu , Xiaoxi Gong , Kai Xu , Dinesh Manocha , Jingxuan Dong , Jun Wang

Model-free reinforcement learning has recently been shown to be effective at learning navigation policies from complex image input. However, these algorithms tend to require large amounts of interaction with the environment, which can be…

Robotics · Computer Science 2018-07-17 Jake Bruce , Niko Sünderhauf , Piotr Mirowski , Raia Hadsell , Michael Milford

End-to-end learning for autonomous navigation has received substantial attention recently as a promising method for reducing modeling error. However, its data complexity, especially around generalization to unseen environments, is high. We…

Robotics · Computer Science 2019-04-04 Xiangyun Meng , Nathan Ratliff , Yu Xiang , Dieter Fox
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