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Environmental monitoring and surveying operations on rivers currently are performed primarily with manually-operated boats. In this domain, autonomous coverage of areas is of vital importance, for improving both the quality and the…

Autonomous driving faces critical challenges in rare long-tail events and complex multi-agent interactions, which are scarce in real-world data yet essential for robust safety validation. This paper presents a high-fidelity scenario…

Machine Learning · Computer Science 2025-11-27 Yuhang Wang , Heye Huang , Zhenhua Xu , Kailai Sun , Baoshen Guo , Jinhua Zhao

Recently, reinforcement learning (RL) has been extensively studied and achieved promising results in a wide range of control tasks. Meanwhile, autonomous underwater vehicle (AUV) is an important tool for executing complex and challenging…

Robotics · Computer Science 2019-11-28 Yachu Hsu , Hui Wu , Keyou You , Shiji Song

For robots navigating in human-populated environments, safety and social compliance are equally critical, yet prior work has mostly emphasized safety. Socially compliant navigation that accounts for human comfort, social norms, and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Tomohito Kawabata , Xinyu Zhang , Ling Xiao

Risk-sensitive reinforcement learning (RL) aims to optimize policies that balance the expected reward and risk. In this paper, we present a novel risk-sensitive RL framework that employs an Iterated Conditional Value-at-Risk (CVaR)…

Machine Learning · Computer Science 2023-12-05 Yu Chen , Yihan Du , Pihe Hu , Siwei Wang , Desheng Wu , Longbo Huang

In this paper, we study a joint detection, mapping and navigation problem for a single unmanned aerial vehicle (UAV) equipped with a low complexity radar and flying in an unknown environment. The goal is to optimize its trajectory with the…

Robotics · Computer Science 2020-07-23 Anna Guerra , Francesco Guidi , Davide Dardari , Petar M. Djuric

Owing to the enhanced flexibility in deployment and decreasing costs of manufacturing, the demand for unmanned aerial vehicles (UAVs) is expected to soar in the upcoming years. In this paper, we explore a UAV aided search and rescue~(SAR)…

Systems and Control · Electrical Eng. & Systems 2020-02-21 Shriyanti Kulkarni , Vedashree Chaphekar , Md Moin Uddin Chowdhury , Fatih Erden , Ismail Guvenc

Vision-Language-Action (VLA) models have demonstrated potential in autonomous driving. However, two critical challenges hinder their development: (1) Existing VLA architectures are typically based on imitation learning in open-loop setup…

Artificial Intelligence · Computer Science 2025-08-18 Anqing Jiang , Yu Gao , Yiru Wang , Zhigang Sun , Shuo Wang , Yuwen Heng , Hao Sun , Shichen Tang , Lijuan Zhu , Jinhao Chai , Jijun Wang , Zichong Gu , Hao Jiang , Li Sun

Intelligent navigation among social crowds is an essential aspect of mobile robotics for applications such as delivery, health care, or assistance. Deep Reinforcement Learning emerged as an alternative planning method to conservative…

Robotics · Computer Science 2021-09-24 Linh Kästner , Junhui Li , Zhengcheng Shen , Jens Lambrecht

We propose VRL3, a powerful data-driven framework with a simple design for solving challenging visual deep reinforcement learning (DRL) tasks. We analyze a number of major obstacles in taking a data-driven approach, and present a suite of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Che Wang , Xufang Luo , Keith Ross , Dongsheng Li

Autonomous driving has the potential to revolutionize mobility and is hence an active area of research. In practice, the behavior of autonomous vehicles must be acceptable, i.e., efficient, safe, and interpretable. While vanilla…

Machine Learning · Computer Science 2022-08-03 Lukas M. Schmidt , Sebastian Rietsch , Axel Plinge , Bjoern M. Eskofier , Christopher Mutschler

This paper presents a novel reinforcement learning framework for trajectory tracking of unmanned aerial vehicles in cluttered environments using a dual-agent architecture. Traditional optimization methods for trajectory tracking face…

Robotics · Computer Science 2024-11-01 Shaswat Garg , Houman Masnavi , Baris Fidan , Farrokh Janabi-Sharifi

In this paper, we present our proposed approach for active tracking to increase the autonomy of Unmanned Aerial Vehicles (UAVs) using event cameras, low-energy imaging sensors that offer significant advantages in speed and dynamic range.…

Robotics · Computer Science 2024-10-22 Ala Souissi , Hajer Fradi , Panagiotis Papadakis

Despite the increasing adoption of Deep Reinforcement Learning (DRL) for Autonomous Surface Vehicles (ASVs), there still remain challenges limiting real-world deployment. In this paper, we first integrate buoyancy and hydrodynamics models…

Model-free reinforcement learning (RL) is inherently a reactive method, operating under the assumption that it starts with no prior knowledge of the system and entirely depends on trial-and-error for learning. This approach faces several…

Unsupervised deraining has attracted attention for its ability to learn the real-world distribution of rain without paired supervision. However, the lack of strong constraints makes it difficult for the network to converge, especially with…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Yinghao Chen , Yeying Jin , Xiang Chen , Yanyan Wei , Ziyang Yan , Yaowen Fu

Several works have addressed the problem of incorporating constraints in the reinforcement learning (RL) framework, however majority of them can only guarantee the satisfaction of soft constraints. In this work, we address the problem of…

Machine Learning · Computer Science 2020-06-16 Kwangyeon Kim , Akshita Gupta , Hong-Cheol Choi , Inseok Hwang

Modern reinforcement learning (RL) struggles to capture real-world cause-and-effect dynamics, leading to inefficient exploration due to extensive trial-and-error actions. While recent efforts to improve agent exploration have leveraged…

Machine Learning · Computer Science 2024-07-18 Minh Hoang Nguyen , Hung Le , Svetha Venkatesh

Deep reinforcement learning has recently made significant progress in solving computer games and robotic control tasks. A known problem, though, is that policies overfit to the training environment and may not avoid rare, catastrophic…

Machine Learning · Computer Science 2019-04-02 Xinlei Pan , Daniel Seita , Yang Gao , John Canny

We present a novel Deep Reinforcement Learning (DRL) based policy to compute dynamically feasible and spatially aware velocities for a robot navigating among mobile obstacles. Our approach combines the benefits of the Dynamic Window…

Robotics · Computer Science 2020-11-30 Utsav Patel , Nithish Kumar , Adarsh Jagan Sathyamoorthy , Dinesh Manocha