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This paper introduces a novel approach for robot navigation in challenging dynamic environments. The proposed method builds upon the concept of Velocity Obstacles (VO) that was later extended to Nonlinear Velocity Obstacles (NLVO) to…

Robotics · Computer Science 2025-06-09 Asher Stern , Zvi Shiller

We introduce WarNav, a novel real-world dataset constructed from images of the open-source DATTALION repository, specifically tailored to enable the development and benchmarking of semantic segmentation models for autonomous ground vehicle…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Marc-Emmanuel Coupvent des Graviers , Hejer Ammar , Christophe Guettier , Yann Dumortier , Romaric Audigier

Vision-Language Navigation (VLN) is evolving from single-point pathfinding toward the more challenging Multi-Goal VLN. This task requires agents to accurately identify multiple entities while collaboratively reasoning over their…

Artificial Intelligence · Computer Science 2026-03-05 Ling Luo , Qiangian Bai

What is a good visual representation for autonomous agents? We address this question in the context of semantic visual navigation, which is the problem of a robot finding its way through a complex environment to a target object, e.g. go to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Arsalan Mousavian , Alexander Toshev , Marek Fiser , Jana Kosecka , Ayzaan Wahid , James Davidson

To achieve autonomy in unknown and unstructured environments, we propose a method for semantic-based planning under perceptual uncertainty. This capability is crucial for safe and efficient robot navigation in environment with…

This paper presents an autonomous navigation system for ground robots traversing aggressive unstructured terrain through a cohesive arrangement of mapping, deliberative planning and reactive behaviour modules. All systems are aware of…

This paper addresses the problem of object-goal navigation in autonomous inspections in real-world environments. Object-goal navigation is crucial to enable effective inspections in various settings, often requiring the robot to identify…

Deployment of robots into hazardous environments typically involves a ``Human-Robot Teaming'' (HRT) paradigm, in which a human supervisor interacts with a remotely operating robot inside the hazardous zone. Situational Awareness (SA) is…

Safe flight in dynamic environments requires unmanned aerial vehicles (UAVs) to make effective decisions when navigating cluttered spaces with moving obstacles. Traditional approaches often decompose decision-making into hierarchical…

Robotics · Computer Science 2025-02-25 Zhefan Xu , Xinming Han , Haoyu Shen , Hanyu Jin , Kenji Shimada

Planning in environments with moving obstacles remains a significant challenge in robotics. While many works focus on navigation and path planning in obstacle-dense spaces, traversing such congested regions is often avoidable by selecting…

Robotics · Computer Science 2025-06-23 Yaroslav Marchukov , Luis Montano

We propose a novel visual localization and navigation framework for real-world environments directly integrating observed visual information into the bird-eye-view map. While the renderable neural radiance map (RNR-Map) shows considerable…

Image and Video Processing · Electrical Eng. & Systems 2024-10-10 Minsoo Kim , Obin Kwon , Howoong Jun , Songhwai Oh

Semantic segmentation of aerial imagery is an important tool for mapping and earth observation. However, supervised deep learning models for segmentation rely on large amounts of high-quality labelled data, which is labour-intensive and…

Robotics · Computer Science 2022-09-05 Julius Rückin , Liren Jin , Federico Magistri , Cyrill Stachniss , Marija Popović

To autonomously navigate in real-world environments, special in search and rescue operations, Unmanned Aerial Vehicles (UAVs) necessitate comprehensive maps to ensure safety. However, the prevalent metric map often lacks semantic…

Robotics · Computer Science 2024-01-17 Thanh Nguyen Canh , Armagan Elibol , Nak Young Chong , Xiem HoangVan

Efficient data collection methods play a major role in helping us better understand the Earth and its ecosystems. In many applications, the usage of unmanned aerial vehicles (UAVs) for monitoring and remote sensing is rapidly gaining…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Felix Stache , Jonas Westheider , Federico Magistri , Cyrill Stachniss , Marija Popović

Among various sensors for assisted and autonomous driving systems, automotive radar has been considered as a robust and low-cost solution even in adverse weather or lighting conditions. With the recent development of radar technologies and…

Robotics · Computer Science 2023-02-28 Shihong Fang , Haoran Zhu , Devansh Bisla , Anna Choromanska , Satish Ravindran , Dongyin Ren , Ryan Wu

Robots operating in human-centric or hazardous environments must proactively anticipate and mitigate dangers beyond basic obstacle detection. Traditional navigation systems often depend on static maps, which struggle to account for dynamic…

Robotics · Computer Science 2025-08-06 Mintaek Oh , Chan Kim , Seung-Woo Seo , Seong-Woo Kim

The primary objective of a safe navigation algorithm is to guide the object from its current position to the target position while avoiding any collision with the en-route obstacles, and the appropriate obstacle avoidance strategies are the…

Robotics · Computer Science 2014-02-24 Chao Wang

Visual robot navigation within large-scale, semi-structured environments deals with various challenges such as computation intensive path planning algorithms or insufficient knowledge about traversable spaces. Moreover, many…

Robotics · Computer Science 2018-03-12 Fabian Blöchliger , Marius Fehr , Marcin Dymczyk , Thomas Schneider , Roland Siegwart

This paper develops a path planner that minimizes risk (e.g. motion execution) while maximizing accumulated reward (e.g., quality of sensor viewpoint) motivated by visual assistance or tracking scenarios in unstructured or confined…

Robotics · Computer Science 2019-03-11 Xuesu Xiao , Jan Dufek , Robin Murphy

This paper describes a method of estimating the traversability of plant parts covering a path and navigating through them for mobile robots operating in plant-rich environments. Conventional mobile robots rely on scene recognition methods…

Robotics · Computer Science 2022-01-14 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura