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Although ground robotic autonomy has gained widespread usage in structured and controlled environments, autonomy in unknown and off-road terrain remains a difficult problem. Extreme, off-road, and unstructured environments such as…

Robotics · Computer Science 2021-06-29 David D. Fan , Kyohei Otsu , Yuki Kubo , Anushri Dixit , Joel Burdick , Ali-Akbar Agha-Mohammadi

The segmentation of drivable areas and road anomalies are critical capabilities to achieve autonomous navigation for robotic wheelchairs. The recent progress of semantic segmentation using deep learning techniques has presented effective…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Hengli Wang , Yuxiang Sun , Ming Liu

Inspired by human behavior when traveling over unknown terrain, this study proposes the use of probing strategies and integrates them into a traversability analysis framework to address safe navigation on unknown rough terrain. Our…

Mobile ground robots operating on unstructured terrain must predict which areas of the environment they are able to pass in order to plan feasible paths. We address traversability estimation as a heightmap classification problem: we build a…

Robotics · Computer Science 2019-02-20 R. Omar Chavez-Garcia , Jerome Guzzi , Luca M. Gambardella , Alessandro Giusti

Estimating the travel time of a path is of great importance to smart urban mobility. Existing approaches are either based on estimating the time cost of each road segment which are not able to capture many cross-segment complex factors, or…

Machine Learning · Computer Science 2018-02-08 Hanyuan Zhang , Hao Wu , Weiwei Sun , Baihua Zheng

Most traversability estimation techniques divide off-road terrain into traversable (e.g., pavement, gravel, and grass) and non-traversable (e.g., boulders, vegetation, and ditches) regions and then inform subsequent planners to produce…

Robotics · Computer Science 2024-09-27 Chenhui Pan , Aniket Datar , Anuj Pokhrel , Matthew Choulas , Mohammad Nazeri , Xuesu Xiao

Terrain understanding is fundamental for mobile robots operating in unstructured outdoor environments. Existing vision-based traversability estimation methods rely on robot-specific annotations or semantic class mappings, limiting…

Compared to supervised deep learning, self-supervision provides remote sensing a tool to reduce the amount of exact, human-crafted geospatial annotations. While image-level information for unsupervised pretraining efficiently works for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Chenying Liu , Conrad M Albrecht , Yi Wang , Xiao Xiang Zhu

We present a method that uses high-resolution topography data of rough terrain, and ground vehicle simulation, to predict traversability. Traversability is expressed as three independent measures: the ability to traverse the terrain at a…

Robotics · Computer Science 2022-04-14 Erik Wallin , Viktor Wiberg , Folke Vesterlund , Johan Holmgren , Henrik Persson , Martin Servin

For reliable autonomous robot navigation in urban settings, the robot must have the ability to identify semantically traversable terrains in the image based on the semantic understanding of the scene. This reasoning ability is based on…

Robotics · Computer Science 2024-12-30 Yunho Kim , Jeong Hyun Lee , Choongin Lee , Juhyeok Mun , Donghoon Youm , Jeongsoo Park , Jemin Hwangbo

Natural environments pose significant challenges for autonomous robot navigation, particularly due to their unstructured and ever-changing nature. Hiking trails, with their dynamic conditions influenced by weather, vegetation, and human…

Robotics · Computer Science 2024-09-25 Camndon Reed , Christopher Tatsch , Jason N. Gross , Yu Gu

We present unsupervised parameter learning in a Gaussian variational inference setting that combines classic trajectory estimation for mobile robots with deep learning for rich sensor data, all under a single learning objective. The…

Robotics · Computer Science 2021-02-23 David J. Yoon , Haowei Zhang , Mona Gridseth , Hugues Thomas , Timothy D. Barfoot

Nowadays, supervised deep learning techniques yield the best state-of-the-art prediction performances for a wide variety of computer vision tasks. However, such supervised techniques generally require a large amount of manually labeled…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Florent Chiaroni , Mohamed-Cherif Rahal , Nicolas Hueber , Frederic Dufaux

This paper focuses on the unsupervised domain adaptation of transferring the knowledge from the source domain to the target domain in the context of semantic segmentation. Existing approaches usually regard the pseudo label as the ground…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Zhedong Zheng , Yi Yang

Road segmentation is a critical task for autonomous driving systems, requiring accurate and robust methods to classify road surfaces from various environmental data. Our work introduces an innovative approach that integrates LiDAR point…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Tao Ni , Xin Zhan , Tao Luo , Wenbin Liu , Zhan Shi , JunBo Chen

Off-road image semantic segmentation is challenging due to the presence of uneven terrains, unstructured class boundaries, irregular features and strong textures. These aspects affect the perception of the vehicle from which the information…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Kasi Viswanath , Kartikeya Singh , Peng Jiang , Sujit P. B. , Srikanth Saripalli

Autonomous navigation at high speeds in off-road environments necessitates robots to comprehensively understand their surroundings using onboard sensing only. The extreme conditions posed by the off-road setting can cause degraded camera…

Semantic segmentation enables robots to perceive and reason about their environments beyond geometry. Most of such systems build upon deep learning approaches. As autonomous robots are commonly deployed in initially unknown environments,…

Robotics · Computer Science 2024-01-29 Julius Rückin , Federico Magistri , Cyrill Stachniss , Marija Popović

The significant achievements of pre-trained models leveraging large volumes of data in the field of NLP and 2D vision inspire us to explore the potential of extensive data pre-training for 3D perception in autonomous driving. Toward this…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Shumin Wang , Zhuoran Yang , Lidian Wang , Zhipeng Tang , Heng Li , Lehan Pan , Sha Zhang , Jie Peng , Jianmin Ji , Yanyong Zhang

Accurate traversability estimation using an online dense terrain map is crucial for safe navigation in challenging environments like construction and disaster areas. However, traversability estimation for legged robots on rough terrains…