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Autonomous navigation in off-road conditions requires an accurate estimation of terrain traversability. However, traversability estimation in unstructured environments is subject to high uncertainty due to the variability of numerous…

Robotics · Computer Science 2024-03-06 Junwon Seo , Taekyung Kim , Seongyong Ahn , Kiho Kwak

For autonomous driving, traversability analysis is one of the most basic and essential tasks. In this paper, we propose a novel LiDAR-based terrain modeling approach, which could output stable, complete and accurate terrain models and…

Robotics · Computer Science 2023-07-06 Hanzhang Xue , Hao Fu , Liang Xiao , Yiming Fan , Dawei Zhao , Bin Dai

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…

Path planning is a basic capability of autonomous mobile robots. Former approaches in path planning exploit only the given geometric information from the environment without leveraging the inherent semantics within the environment. The…

Robotics · Computer Science 2023-07-06 Paul Kremer , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

This paper introduces a new method for robot motion planning and navigation in uneven environments through a surfel representation of underlying point clouds. The proposed method addresses the shortcomings of state-of-the-art navigation…

Robotics · Computer Science 2022-08-18 Fetullah Atas , Grzegorz Cielniak , Lars Grimstad

Real-time path planning in outdoor environments still challenges modern robotic systems due to differences in terrain traversability, diverse obstacles, and the necessity for fast decision-making. Established approaches have primarily…

Robotics · Computer Science 2024-05-24 Pascal Roth , Julian Nubert , Fan Yang , Mayank Mittal , Marco Hutter

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…

Machine Learning · Computer Science 2018-05-21 Gregory Kahn , Adam Villaflor , Bosen Ding , Pieter Abbeel , Sergey Levine

Machine learning approaches have recently enabled autonomous navigation for mobile robots in a data-driven manner. Since most existing learning-based navigation systems are trained with data generated in artificially created training…

Robotics · Computer Science 2022-10-11 Zifan Xu , Anirudh Nair , Xuesu Xiao , Peter Stone

Ground robots require the crucial capability of traversing unstructured and unprepared terrains and avoiding obstacles to complete tasks in real-world robotics applications such as disaster response. When a robot operates in off-road field…

Robotics · Computer Science 2021-11-15 Sriram Siva , Maggie Wigness , John G. Rogers , Long Quang , Hao Zhang

Missions to small celestial bodies rely heavily on optical feature tracking for characterization of and relative navigation around the target body. While techniques for feature tracking based on deep learning are a promising alternative to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Travis Driver , Panagiotis Tsiotras

Traditional path-planning techniques treat humans as obstacles. This has changed since robots started to enter human environments. On modern robots, social navigation has become an important aspect of navigation systems. To use…

Robotics · Computer Science 2024-04-18 Yigit Yildirim , Emre Ugur

We propose a novel receding horizon planner for an autonomous surface vehicle (ASV) performing path planning in urban waterways. Feasible paths are found by repeatedly generating and searching a graph reflecting the obstacles observed in…

Robotics · Computer Science 2020-09-02 Tixiao Shan , Wei Wang , Brendan Englot , Carlo Ratti , Daniela Rus

LiDAR-based localization and mapping is one of the core components in many modern robotic systems due to the direct integration of range and geometry, allowing for precise motion estimation and generation of high quality maps in real-time.…

Robotics · Computer Science 2022-08-02 Julian Nubert , Etienne Walther , Shehryar Khattak , Marco Hutter

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…

Accurate and robust navigation in unstructured environments requires fusing data from multiple sensors. Such fusion ensures that the robot is better aware of its surroundings, including areas of the environment that are not immediately…

Robotics · Computer Science 2024-03-12 Mateus Valverde Gasparino , Arun Narenthiran Sivakumar , Girish Chowdhary

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

Reliable estimation of terrain traversability is critical for the successful deployment of autonomous systems in wild, outdoor environments. Given the lack of large-scale annotated datasets for off-road navigation, strictly-supervised…

Robotics · Computer Science 2024-03-19 Sanghun Jung , JoonHo Lee , Xiangyun Meng , Byron Boots , Alexander Lambert

This paper presents a safe, efficient, and agile ground vehicle navigation algorithm for 3D off-road terrain environments. Off-road navigation is subject to uncertain vehicle-terrain interactions caused by different terrain conditions on…

Robotics · Computer Science 2022-09-20 Hojin Lee , Junsung Kwon , Cheolhyeon Kwon

Autonomous navigation across unstructured terrains, including forests and construction areas, faces unique challenges due to intricate obstacles and the element of the unknown. Lacking pre-existing maps, these scenarios necessitate a motion…

Robotics · Computer Science 2024-10-07 Jiangpeng Hu , Fan Yang , Fang Nan , Marco Hutter

In the area of autonomous driving, navigating off-road terrains presents a unique set of challenges, from unpredictable surfaces like grass and dirt to unexpected obstacles such as bushes and puddles. In this work, we present a novel…

Robotics · Computer Science 2025-05-15 Akhil Nagariya , Dimitar Filev , Srikanth Saripalli , Gaurav Pandey