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With the development of deep representation learning, the domain of reinforcement learning (RL) has become a powerful learning framework now capable of learning complex policies in high dimensional environments. This review summarises deep…

Deep reinforcement learning (DRL) has been proven its efficiency in capturing users' dynamic interests in recent literature. However, training a DRL agent is challenging, because of the sparse environment in recommender systems (RS), DRL…

信息检索 · 计算机科学 2022-09-20 Xiaocong Chen , Siyu Wang , Lina Yao , Lianyong Qi , Yong Li

This paper introduces novel deep reinforcement learning (Deep-RL) techniques using parallel distributional actor-critic networks for navigating terrestrial mobile robots. Our approaches use laser range findings, relative distance, and angle…

Performing autonomous exploration is essential for unmanned aerial vehicles (UAVs) operating in unknown environments. Often, these missions start with building a map for the environment via pure exploration and subsequently using (i.e.…

机器学习 · 计算机科学 2021-05-05 Ashley Peake , Joe McCalmon , Yixin Zhang , Daniel Myers , Sarra Alqahtani , Paul Pauca

In this paper, we consider the problem of building learning agents that can efficiently learn to navigate in constrained environments. The main goal is to design agents that can efficiently learn to understand and generalize to different…

机器学习 · 计算机科学 2020-03-04 Kei Ota , Yoko Sasaki , Devesh K. Jha , Yusuke Yoshiyasu , Asako Kanezaki

Developing an automated driving system capable of navigating complex traffic environments remains a formidable challenge. Unlike rule-based or supervised learning-based methods, Deep Reinforcement Learning (DRL) based controllers eliminate…

机器学习 · 计算机科学 2025-01-28 Zhihao Zhang , Ekim Yurtsever , Keith A. Redmill

Packet routing is one of the fundamental problems in computer networks in which a router determines the next-hop of each packet in the queue to get it as quickly as possible to its destination. Reinforcement learning (RL) has been…

网络与互联网体系结构 · 计算机科学 2019-11-15 Xinyu You , Xuanjie Li , Yuedong Xu , Hui Feng , Jin Zhao , Huaicheng Yan

Autonomous robots exploring unknown environments face a significant challenge: navigating effectively without prior maps and with limited external feedback. This challenge intensifies in sparse reward environments, where traditional…

机器人学 · 计算机科学 2024-10-23 Jumman Hossain , Abu-Zaher Faridee , Nirmalya Roy , Jade Freeman , Timothy Gregory , Theron T. Trout

Robotic navigation concerns the task in which a robot should be able to find a safe and feasible path and traverse between two points in a complex environment. We approach the problem of robotic navigation using reinforcement learning and…

机器人学 · 计算机科学 2019-06-18 Muhammad Usama , Dong Eui Chang

Reinforcement learning (RL) algorithms have been around for decades and employed to solve various sequential decision-making problems. These algorithms however have faced great challenges when dealing with high-dimensional environments. The…

机器学习 · 计算机科学 2020-04-01 Thanh Thi Nguyen , Ngoc Duy Nguyen , Saeid Nahavandi

In this paper, we propose a navigation algorithm oriented to multi-agent environment. This algorithm is expressed as a hierarchical framework that contains a Hidden Markov Model (HMM) and a Deep Reinforcement Learning (DRL) structure. For…

机器人学 · 计算机科学 2018-07-18 Wenhao Ding , Shuaijun Li , Huihuan Qian

In the Vision-and-Language Navigation (VLN) task, the agent is required to navigate to a destination following a natural language instruction. While learning-based approaches have been a major solution to the task, they suffer from high…

人工智能 · 计算机科学 2024-08-13 Zhaohuan Zhan , Lisha Yu , Sijie Yu , Guang Tan

In warehouses, specialized agents need to navigate, avoid obstacles and maximize the use of space in the warehouse environment. Due to the unpredictability of these environments, reinforcement learning approaches can be applied to complete…

Reinforcement Learning is an area of Machine Learning focused on how agents can be trained to make sequential decisions, and achieve a particular goal within an arbitrary environment. While learning, they repeatedly take actions based on…

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…

机器学习 · 计算机科学 2018-05-21 Gregory Kahn , Adam Villaflor , Bosen Ding , Pieter Abbeel , Sergey Levine

In robot navigation, generalizing quickly to unseen environments is essential. Hierarchical methods inspired by human navigation have been proposed, typically consisting of a high-level landmark proposer and a low-level controller. However,…

机器人学 · 计算机科学 2021-06-08 Chengguang Xu , Christopher Amato , Lawson L. S. Wong

Deep reinforcement learning (DRL) demonstrates great potential in mapless navigation domain. However, such a navigation model is normally restricted to a fixed configuration of the range sensor because its input format is fixed. In this…

机器人学 · 计算机科学 2021-03-12 Wei Zhang , Ning Liu , Yunfeng Zhang

Space exploration missions have seen use of increasingly sophisticated robotic systems with ever more autonomy. Deep learning promises to take this even a step further, and has applications for high-level tasks, like path planning, as well…

机器学习 · 计算机科学 2019-09-16 Tamir Blum , William Jones , Kazuya Yoshida

Navigation of mobile robots within crowded environments is an essential task in various use cases, such as delivery, health care, or logistics. Deep Reinforcement Learning (DRL) emerged as an alternative method to replace overly…

机器人学 · 计算机科学 2021-09-27 Linh Kästner , Xinlin Zhao , Zhengcheng Shen , Jens Lambrecht

Navigating fluently around pedestrians is a necessary capability for mobile robots deployed in human environments, such as buildings and homes. While research on social navigation has focused mainly on the scalability with the number of…

机器人学 · 计算机科学 2020-11-17 Claudia Pérez-D'Arpino , Can Liu , Patrick Goebel , Roberto Martín-Martín , Silvio Savarese