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Obstacle avoidance for unmanned aerial vehicles like quadrotors is a popular research topic. Most existing research focuses only on static environments, and obstacle avoidance in environments with multiple dynamic obstacles remains…

Robotics · Computer Science 2025-03-19 Xiyu Fan , Minghao Lu , Bowen Xu , Peng Lu

Semantic cues and statistical regularities in real-world environment layouts can improve efficiency for navigation in novel environments. This paper learns and leverages such semantic cues for navigating to objects of interest in novel…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Matthew Chang , Arjun Gupta , Saurabh Gupta

Finding the optimum path for a robot for moving from start to the goal position through obstacles is still a challenging issue. This paper presents a novel path planning method, named D-point trigonometric, based on Q-learning algorithm for…

Artificial Intelligence · Computer Science 2022-11-29 Ehsan Jeihaninejad , Azam Rabiee

This paper addresses the challenge of active perception within autonomous navigation in complex, unknown environments. Revisiting the foundational principles of active perception, we introduce an end-to-end reinforcement learning framework…

Robotics · Computer Science 2026-02-03 Grzegorz Malczyk , Mihir Kulkarni , Kostas Alexis

Being able to perceive the semantics and the spatial structure of the environment is essential for visual navigation of a household robot. However, most existing works only employ visual backbones pre-trained either with independent images…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yicong Hong , Yang Zhou , Ruiyi Zhang , Franck Dernoncourt , Trung Bui , Stephen Gould , Hao Tan

Autonomous navigation in partially observable environments requires agents to reason beyond immediate sensor input, exploit occlusion, and ensure safety while progressing toward a goal. These challenges arise in many robotics domains, from…

Robotics · Computer Science 2026-04-21 Mihir Chauhan , Damon Conover , Aniket Bera

Navigation presents a significant challenge for persons with visual impairments (PVI). While traditional aids such as white canes and guide dogs are invaluable, they fall short in delivering detailed spatial information and precise guidance…

Purpose: The treatment of cardiovascular diseases requires complex and challenging navigation of a guidewire and catheter. This often leads to lengthy interventions during which the patient and clinician are exposed to X-ray radiation. Deep…

Machine Learning · Computer Science 2024-03-06 Valentina Scarponi , Michel Duprez , Florent Nageotte , Stéphane Cotin

Vision-and-Language Navigation (VLN) is a task where an agent navigates in an embodied indoor environment under human instructions. Previous works ignore the distribution of sample difficulty and we argue that this potentially degrade their…

Machine Learning · Computer Science 2021-11-16 Jiwen Zhang , Zhongyu Wei , Jianqing Fan , Jiajie Peng

Currently decision making is one of the biggest challenges in autonomous driving. This paper introduces a method for safely navigating an autonomous vehicle in highway scenarios by combining deep Q-Networks and insight from control theory.…

Robotics · Computer Science 2023-03-23 Max Peter Ronecker , Yuan Zhu

While classical approaches to autonomous robot navigation currently enable operation in certain environments, they break down in tightly constrained spaces, e.g., where the robot needs to engage in agile maneuvers to squeeze between…

Robotics · Computer Science 2021-01-21 Xuesu Xiao , Bo Liu , Garrett Warnell , Peter Stone

Since the application of Deep Q-Learning to the continuous action domain in Atari-like games, Deep Reinforcement Learning (Deep-RL) techniques for motion control have been qualitatively enhanced. Nowadays, modern Deep-RL can be successfully…

Bronchoscopy plays a significant role in the early diagnosis and treatment of lung diseases. This process demands physicians to maneuver the flexible endoscope for reaching distal lesions, particularly requiring substantial expertise when…

Robotics · Computer Science 2024-03-05 Jianbo Zhao , Hao Chen , Qingyao Tian , Jian Chen , Bingyu Yang , Hongbin Liu

Recent trends in robot arm control have seen a shift towards end-to-end solutions, using deep reinforcement learning to learn a controller directly from raw sensor data, rather than relying on a hand-crafted, modular pipeline. However, the…

Robotics · Computer Science 2016-12-14 Stephen James , Edward Johns

Ensuring safety via safety filters in real-world robotics presents significant challenges, particularly when the system dynamics is complex or unavailable. To handle this issue, learning-based safety filters recently gained popularity,…

Robotics · Computer Science 2024-12-02 Guo Ning Sue , Yogita Choudhary , Richard Desatnik , Carmel Majidi , John Dolan , Guanya Shi

In this work, a novel, end-to-end motion planning method is proposed for quadrotor navigation in cluttered environments. The proposed method circumvents the explicit sensing-reconstructing-planning in contrast to conventional navigation…

Robotics · Computer Science 2019-10-08 Efe Camci , Erdal Kayacan

Robots need to be able to work in multiple different environments. Even when performing similar tasks, different behaviour should be deployed to best fit the current environment. In this paper, We propose a new approach to navigation, where…

Robotics · Computer Science 2021-06-04 Xihan Bian , Oscar Mendez , Simon Hadfield

Quadruped robots demonstrate exceptional potential for navigating complex terrain in critical applications such as search and rescue missions and infrastructure inspection However autonomous traversal of confined 3D environments including…

Robotics · Computer Science 2026-05-14 Amir Hossain Raj , Dibyendu Das , Xuesu Xiao

Unmanned aerial vehicles (UAVs) can be used to localize victims, deliver first-aid, and maintain wireless connectivity to victims and first responders during search/rescue and public safety scenarios. In this letter, we consider the problem…

Networking and Internet Architecture · Computer Science 2017-05-31 Bekir Sait Ciftler , Adem Tuncer , Ismail Guvenc

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…

Machine Learning · Computer Science 2020-03-04 Kei Ota , Yoko Sasaki , Devesh K. Jha , Yusuke Yoshiyasu , Asako Kanezaki