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Mobile robots are often tasked with repeatedly navigating through an environment whose traversability changes over time. These changes may exhibit some hidden structure, which can be learned. Many studies consider reactive algorithms for…

机器人学 · 计算机科学 2020-12-07 Florence Tsang , Tristan Walker , Ryan A. MacDonald , Armin Sadeghi , Stephen L. Smith

We propose an approach for mapping natural language instructions and raw observations to continuous control of a quadcopter drone. Our model predicts interpretable position-visitation distributions indicating where the agent should go…

机器人学 · 计算机科学 2018-12-11 Valts Blukis , Dipendra Misra , Ross A. Knepper , Yoav Artzi

Policy search methods can allow robots to learn control policies for a wide range of tasks, but practical applications of policy search often require hand-engineered components for perception, state estimation, and low-level control. In…

机器学习 · 计算机科学 2016-04-20 Sergey Levine , Chelsea Finn , Trevor Darrell , Pieter Abbeel

Planning for robotic manipulation requires reasoning about the changes a robot can affect on objects. When such interactions can be modelled analytically, as in domains with rigid objects, efficient planning algorithms exist. However, in…

机器人学 · 计算机科学 2019-05-14 Angelina Wang , Thanard Kurutach , Kara Liu , Pieter Abbeel , Aviv Tamar

A generalist robot must be able to complete a variety of tasks in its environment. One appealing way to specify each task is in terms of a goal observation. However, learning goal-reaching policies with reinforcement learning remains a…

机器学习 · 计算机科学 2021-01-01 Stephen Tian , Suraj Nair , Frederik Ebert , Sudeep Dasari , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

Understanding terrain topology at long-range is crucial for the success of off-road robotic missions, especially when navigating at high-speeds. LiDAR sensors, which are currently heavily relied upon for geometric mapping, provide sparse…

机器人学 · 计算机科学 2024-04-23 Chanyoung Chung , Georgios Georgakis , Patrick Spieler , Curtis Padgett , Ali Agha , Shehryar Khattak

Object goal navigation aims to navigate an agent to locations of a given object category in unseen environments. Classical methods explicitly build maps of environments and require extensive engineering while lacking semantic information…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Shizhe Chen , Thomas Chabal , Ivan Laptev , Cordelia Schmid

In this paper, a novel deep reinforcement learning (DRL)-based method is proposed to navigate the robot team through unknown complex environments, where the geometric centroid of the robot team aims to reach the goal position while avoiding…

机器人学 · 计算机科学 2019-07-04 Juntong Lin , Xuyun Yang , Peiwei Zheng , Hui Cheng

In this work, we study vision-based end-to-end reinforcement learning on vehicle control problems, such as lane following and collision avoidance. Our controller policy is able to control a small-scale robot to follow the right-hand lane of…

机器学习 · 计算机科学 2020-12-15 András Kalapos , Csaba Gór , Róbert Moni , István Harmati

In order to autonomously learn wide repertoires of complex skills, robots must be able to learn from their own autonomously collected data, without human supervision. One learning signal that is always available for autonomously collected…

机器人学 · 计算机科学 2017-10-18 Frederik Ebert , Chelsea Finn , Alex X. Lee , Sergey Levine

Today's autonomous vehicles rely extensively on high-definition 3D maps to navigate the environment. While this approach works well when these maps are completely up-to-date, safe autonomous vehicles must be able to corroborate the map's…

计算机视觉与模式识别 · 计算机科学 2016-12-09 Ari Seff , Jianxiong Xiao

Legged robots, particularly quadrupeds, offer promising navigation capabilities, especially in scenarios requiring traversal over diverse terrains and obstacle avoidance. This paper addresses the challenge of enabling legged robots to…

机器人学 · 计算机科学 2023-10-12 Jianwei Liu , Shirui Lyu , Denis Hadjivelichkov , Valerio Modugno , Dimitrios Kanoulas

Imitation learning for end-to-end autonomous driving has drawn attention from academic communities. Current methods either only use images as the input which is ambiguous when a car approaches an intersection, or use additional command…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Qing Wang , Long Chen , Wei Tian

This work presents an approach to learn path planning for robot social navigation by demonstration. We make use of Fully Convolutional Neural Networks (FCNs) to learn from expert's path demonstrations a map that marks a feasible path to the…

机器人学 · 计算机科学 2018-07-18 Noé Pérez-Higueras , Fernando Caballero , Luis Merino

Predictive models have been at the core of many robotic systems, from quadrotors to walking robots. However, it has been challenging to develop and apply such models to practical robotic manipulation due to high-dimensional sensory…

机器人学 · 计算机科学 2020-09-14 Lucas Manuelli , Yunzhu Li , Pete Florence , Russ Tedrake

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…

We propose a learning-based navigation system for reaching visually indicated goals and demonstrate this system on a real mobile robot platform. Learning provides an appealing alternative to conventional methods for robotic navigation:…

机器人学 · 计算机科学 2022-10-11 Dhruv Shah , Benjamin Eysenbach , Gregory Kahn , Nicholas Rhinehart , Sergey Levine

We present Nav2Goal, a data-efficient and end-to-end learning method for goal-conditioned visual navigation. Our technique is used to train a navigation policy that enables a robot to navigate close to sparse geographic waypoints provided…

Learning visuomotor control policies in robotic systems is a fundamental problem when aiming for long-term behavioral autonomy. Recent supervised-learning-based vision and motion perception systems, however, are often separately built with…

机器人学 · 计算机科学 2020-06-17 Marvin Chancán , Michael Milford

Focusing on the task of point-to-point navigation for an autonomous driving vehicle, we propose a novel deep learning model trained with end-to-end and multi-task learning manners to perform both perception and control tasks simultaneously.…

机器人学 · 计算机科学 2022-06-23 Oskar Natan , Jun Miura