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Convolutional neural networks (CNN) have made significant advances in detecting roads from satellite images. However, existing CNN approaches are generally repurposed semantic segmentation architectures and suffer from the poor delineation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang , Guangming Wang , Kuan Eeik Tan

Land use and land cover mapping from Earth Observation (EO) data is a critical tool for sustainable land and resource management. While advanced machine learning and deep learning algorithms excel at analyzing EO imagery data, they often…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Babak Ghassemi , Cassio Fraga-Dantas , Raffaele Gaetano , Dino Ienco , Omid Ghorbanzadeh , Emma Izquierdo-Verdiguier , Francesco Vuolo

Multi-vehicle trajectory planning is a non-convex problem that becomes increasingly difficult in dense environments due to the rapid growth of collision constraints. Efficient exploration of feasible behaviors and resolution of tight…

Robotics · Computer Science 2025-09-22 Heye Huang , Yibin Yang , Wang Chen , Tiantian Chen , Xiaopeng Li , Sikai Chen

The problem of path planning in unknown environments remains a challenging problem - as the environment is gradually observed during the navigation, the underlying planner has to update the environment representation and replan, promptly…

Robotics · Computer Science 2022-07-20 Fan Yang , Chao Cao , Hongbiao Zhu , Jean Oh , Ji Zhang

The primary challenge for any autonomous system operating in realistic, rather unconstrained scenarios is to manage the complexity and uncertainty of the real world. While it is unclear how exactly humans and other higher animals master…

Computer Vision and Pattern Recognition · Computer Science 2020-02-20 Ziyuan Liu , Georg von Wichert

Robots navigating dynamic, cluttered, and semantically complex environments must integrate perception, symbolic reasoning, and spatial planning to generalize across diverse layouts and object categories. Existing methods often rely on…

Robotics · Computer Science 2025-10-14 Ahmed Alanazi , Duy Ho , Yugyung Lee

Understanding the geometric and semantic structure of environments is essential for embodied navigation and reasoning. Existing semantic mapping methods trade off between explicit geometry and multi-scale semantics, and lack a native…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Sixian Zhang , Yiyao Wang , Xinhang Song , Keming Zhang , Zijian Xu , Shuqiang Jiang

In this work, we argue that Gaussian splatting is a suitable unified representation for autonomous robot navigation in large-scale unstructured outdoor environments. Such environments require representations that can capture complex…

Robotics · Computer Science 2025-05-20 Dexter Ong , Yuezhan Tao , Varun Murali , Igor Spasojevic , Vijay Kumar , Pratik Chaudhari

This paper presents a system for autonomous semantic exploration and dense semantic target mapping of a complex unknown environment using a ground robot equipped with a LiDAR-panoramic camera suite. Existing approaches often struggle to…

Collision-free motion planning in complex outdoor environments relies heavily on perceiving the surroundings through exteroceptive sensors. A widely used approach represents the environment as a voxelized Euclidean distance field, where…

We propose an unsupervised method for parsing large 3D scans of real-world scenes with easily-interpretable shapes. This work aims to provide a practical tool for analyzing 3D scenes in the context of aerial surveying and mapping, without…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Romain Loiseau , Elliot Vincent , Mathieu Aubry , Loic Landrieu

Maps play a key role in rapidly developing area of autonomous driving. We survey the literature for different map representations and find that while the world is three-dimensional, it is common to rely on 2D map representations in order to…

Robotics · Computer Science 2022-11-10 Ajinkya Khoche , Maciej K Wozniak , Daniel Duberg , Patric Jensfelt

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

Off-road semantic segmentation is fundamentally challenged by irregular terrain, vegetation clutter, and inherent annotation ambiguity. Unlike urban scenes with crisp object boundaries, off-road environments exhibit strong class-level…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Seongkyu Choi Jhonghyun An

Ground robot navigation in complex 3D environments is often hindered by geometric ambiguity, where non-traversable structures such as furniture share local geometric properties with navigable ground. Furthermore, the computational cost of…

Robotics · Computer Science 2026-05-19 Yifan Du , Chengwei Zhang , Siyu Liao , Zhongfeng Wang

Ground robots which are able to navigate a variety of terrains are needed in many domains. One of the key aspects is the capability to adapt to the ground structure, which can be realized through movable body parts coming along with…

Robotics · Computer Science 2019-03-07 Tobias Klamt , Sven Behnke

In this paper, we address the problem of adaptive path planning for accurate semantic segmentation of terrain using unmanned aerial vehicles (UAVs). The usage of UAVs for terrain monitoring and remote sensing is rapidly gaining momentum due…

Robotics · Computer Science 2021-08-05 Felix Stache , Jonas Westheider , Federico Magistri , Marija Popović , Cyrill Stachniss

UAVs play an important role in applications such as autonomous exploration, disaster response, and infrastructure inspection. However, UAV VLN in complex 3D environments remains challenging. A key difficulty is the structural representation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Wen Jiang , Kangyao Huang , Li Wang , Wang Xu , Wei Fan , Jinyuan Liu , Shaoyu Liu , Hanfang Liang , Hongwei Duan , Bin Xu , Xiangyang Ji

Given the current point-to-point navigation capabilities of autonomous vehicles, researchers are looking into complex service requests that require the vehicles to visit multiple points of interest. In this paper, we develop a layered…

Robotics · Computer Science 2022-10-06 Yan Ding , Cheng Cui , Xiaohan Zhang , Shiqi Zhang

Pre-explored Semantic Maps, constructed through prior exploration using visual language models (VLMs), have proven effective as foundational elements for training-free robotic applications. However, existing approaches assume the map's…

Robotics · Computer Science 2024-11-05 Po-Chen Ko , Hung-Ting Su , Ching-Yuan Chen , Jia-Fong Yeh , Min Sun , Winston H. Hsu