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In reinforcement learning (RL), sparse rewards are a natural way to specify the task to be learned. However, most RL algorithms struggle to learn in this setting since the learning signal is mostly zeros. In contrast, humans are good at…

Reinforcement learning (RL) has achieved some impressive recent successes in various computer games and simulations. Most of these successes are based on having large numbers of episodes from which the agent can learn. In typical robotic…

机器人学 · 计算机科学 2024-01-05 Jonas Tebbe , Lukas Krauch , Yapeng Gao , Andreas Zell

The integration of Reinforcement Learning (RL) into robotic-assisted surgery (RAS) holds significant promise for advancing surgical precision, adaptability, and autonomous decision-making. However, the development of robust RL models in…

机器人学 · 计算机科学 2025-10-30 Sana Hafeez , Sundas Rafat Mulkana , Muhammad Ali Imran , Michele Sevegnani

Automated segmentation plays a pivotal role in medical image analysis and computer-assisted interventions. Despite the promising performance of existing methods based on convolutional neural networks (CNNs), they neglect useful equivariant…

图像与视频处理 · 电气工程与系统科学 2025-01-27 Jiazhen Zhang , Yuexi Du , Nicha C. Dvornek , John A. Onofrey

Autonomous wheeled-legged robots have the potential to transform logistics systems, improving operational efficiency and adaptability in urban environments. Navigating urban environments, however, poses unique challenges for robots,…

机器人学 · 计算机科学 2024-05-06 Joonho Lee , Marko Bjelonic , Alexander Reske , Lorenz Wellhausen , Takahiro Miki , Marco Hutter

Forward and inverse kinematics models are fundamental to robot arms, serving as the basis for the robot arm's operational tasks. However, in model learning of robot arms, especially in the presence of redundant degrees of freedom, inverse…

机器人学 · 计算机科学 2025-04-24 Qu Weiming , Liu Tianlin , Wu Xihong , Luo Dingsheng

In recent decades, the tremendous benefits surgical robots have brought to surgeons and patients have been witnessed. With the dexterous operation and the great precision, surgical robots can offer patients less recovery time and less…

机器人学 · 计算机科学 2022-04-13 Ruiqi Zhu , Dandan Zhang , Benny Lo

Teleoperated robotic manipulators enable the collection of demonstration data, which can be used to train control policies through imitation learning. However, such methods can require significant amounts of training data to develop robust…

机器人学 · 计算机科学 2025-03-20 Cheng Pan , Hung Hon Cheng , Josie Hughes

Despite the considerable potential of reinforcement learning (RL), robotic control tasks predominantly rely on imitation learning (IL) due to its better sample efficiency. However, it is costly to collect comprehensive expert demonstrations…

机器学习 · 计算机科学 2024-05-22 Hengyuan Hu , Suvir Mirchandani , Dorsa Sadigh

Existing vision-and-language navigation models often deviate from the correct trajectory when executing instructions. However, these models lack effective error correction capability, hindering their recovery from errors. To address this…

机器人学 · 计算机科学 2025-08-15 Zhuoyuan Yu , Yuxing Long , Zihan Yang , Chengyan Zeng , Hongwei Fan , Jiyao Zhang , Hao Dong

Deep reinforcement learning (DRL) has achieved groundbreaking successes in a wide variety of robotic applications. A natural consequence is the adoption of this paradigm for safety-critical tasks, where human safety and expensive hardware…

机器人学 · 计算机科学 2022-06-22 Davide Corsi , Raz Yerushalmi , Guy Amir , Alessandro Farinelli , David Harel , Guy Katz

An online resource scheduling framework is proposed for minimizing the sum of weighted task latency for all the Internet of things (IoT) users, by optimizing offloading decision, transmission power and resource allocation in the large-scale…

机器学习 · 计算机科学 2020-04-16 Feibo Jiang , Kezhi Wang , Li Dong , Cunhua Pan , Kun Yang

Unmanned Aerial Vehicles (UAVs) are increasingly used in automated inspection, delivery, and navigation tasks that require reliable autonomy. This project develops a reinforcement learning (RL) approach to enable a single UAV to…

机器人学 · 计算机科学 2025-09-18 Salim Oyinlola , Nitesh Subedi , Soumik Sarkar

Automated vehicle control using reinforcement learning (RL) has attracted significant attention due to its potential to learn driving policies through environment interaction. However, RL agents often face training challenges in sample…

机器人学 · 计算机科学 2025-09-08 Zhihao Zhang , Chengyang Peng , Ekim Yurtsever , Keith A. Redmill

This paper introduces an open-source, decentralized framework named SigmaRL, designed to enhance both sample efficiency and generalization of multi-agent Reinforcement Learning (RL) for motion planning of connected and automated vehicles.…

机器人学 · 计算机科学 2025-04-11 Jianye Xu , Pan Hu , Bassam Alrifaee

Deep reinforcement learning (RL) has been successfully applied to a variety of game-like environments. However, the application of deep RL to visual navigation with realistic environments is a challenging task. We propose a novel learning…

机器人学 · 计算机科学 2019-11-12 Jonáš Kulhánek , Erik Derner , Tim de Bruin , Robert Babuška

Offline reinforcement learning (RL) has emerged as a promising framework for addressing robot social navigation challenges. However, inherent uncertainties in pedestrian behavior and limited environmental interaction during training often…

机器人学 · 计算机科学 2025-10-02 Run Su , Hao Fu , Shuai Zhou , Yingao Fu

Precise shape control of Deformable Linear Objects (DLOs) is crucial in robotic applications such as industrial and medical fields. However, existing methods face challenges in handling complex large deformation tasks, especially those…

机器人学 · 计算机科学 2026-02-26 Zhaowei Liang , Song Wang , Zhao Jin , Shirui Wu , Dan Wu

Deep Reinforcement Learning (DRL) is gaining attention as a potential approach to design trajectories for autonomous unmanned aerial vehicles (UAV) used as flying access points in the context of cellular or Internet of Things (IoT)…

信息论 · 计算机科学 2022-02-07 Omid Esrafilian , Harald Bayerlein , David Gesbert

Autonomous Vehicle (AV) decision making in urban environments is inherently challenging due to the dynamic interactions with surrounding vehicles. For safe planning, AV must understand the weightage of various spatiotemporal interactions in…

人工智能 · 计算机科学 2024-10-01 Jayabrata Chowdhury , Venkataramanan Shivaraman , Sumit Dangi , Suresh Sundaram , P. B. Sujit