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Recent neural solvers have achieved strong performance on vehicle routing problems (VRPs), yet they mainly assume symmetric Euclidean distances, restricting applicability to real-world scenarios. A core challenge is encoding the relational…

Machine Learning · Computer Science 2026-03-06 Hang Yi , Ziwei Huang , Yining Ma , Zhiguang Cao

Understanding the geometric and semantic properties of the scene is crucial in autonomous navigation and particularly challenging in the case of Unmanned Aerial Vehicle (UAV) navigation. Such information may be by obtained by estimating…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yara AlaaEldin , Francesca Odone

We propose a robotic learning system for autonomous exploration and navigation in unexplored environments. We are motivated by the idea that even an unseen environment may be familiar from previous experiences in similar environments. The…

Robotics · Computer Science 2022-11-24 Huangying Zhan , Hamid Rezatofighi , Ian Reid

We consider the problem of object goal navigation in unseen environments. Solving this problem requires learning of contextual semantic priors, a challenging endeavour given the spatial and semantic variability of indoor environments.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Georgios Georgakis , Bernadette Bucher , Karl Schmeckpeper , Siddharth Singh , Kostas Daniilidis

Visual localization remains challenging in dynamic environments where fluctuating lighting, adverse weather, and moving objects disrupt appearance cues. Despite advances in feature representation, current absolute pose regression methods…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Zhongtao Tian , Wenhao Huang , Zhidong Chen , Xiao Wei Sun

Assisting humans in open-world outdoor environments requires robots to translate high-level natural-language intentions into safe, long-horizon, and socially compliant navigation behavior. Existing map-based methods rely on costly pre-built…

Graph foundation models represent a transformative paradigm for learning transferable representations across diverse graph domains. Recent methods leverage large language models to unify graph and text modalities into a shared…

Machine Learning · Computer Science 2025-12-23 Heng Zhang , Tianyi Zhang , Yuling Shi , Xiaodong Gu , Yaomin Shen , Haochen You , Zijian Zhang , Yilei Yuan , Jin Huang

Wheeled robot navigation has been widely used in urban environments, but little research has been conducted on its navigation in wild vegetation. External sensors (LiDAR, camera etc.) are often used to construct point cloud map of the…

Robotics · Computer Science 2023-11-30 Zhuozhu Jian , Zejia Liu , Haoyu Shao , Xueqian Wang , Xinlei Chen , Bin Liang

We describe an effective landscape introduced in [1] for the analysis of Constraint Satisfaction problems, such as Sphere Packing, K-SAT and Graph Coloring. This geometric construction reexpresses these problems in the more familiar terms…

Quantum Physics · Physics 2008-09-25 Florent Krzakala , Jorge Kurchan

Autonomous navigation through unknown environments is a challenging task that entails real-time localization, perception, planning, and control. UAVs with this capability have begun to emerge in the literature with advances in lightweight…

Robotics · Computer Science 2019-06-18 Jesus Tordesillas , Brett T. Lopez , John Carter , John Ware , Jonathan P. How

Trajectory planning in unstructured environments is a fundamental and challenging capability for mobile robots. Traditional modular pipelines suffer from latency and cascading errors across perception, localization, mapping, and planning…

Robotics · Computer Science 2025-12-24 Jiaqi Peng , Wenzhe Cai , Yuqiang Yang , Tai Wang , Yuan Shen , Jiangmiao Pang

This article introduces a novel approach to constructing a topometric map that allows for efficient navigation and decision-making in mobile robotics applications. The method generates the topometric map from a 2D grid-based map. The…

Robotics · Computer Science 2024-06-18 Scott Fredriksson , Akshit Saradagi , George Nikolakopoulos

The ability to solve motion-planning queries within a fixed time budget is critical for deploying robotic systems in time-sensitive applications. Semi-static environments, where most of the workspace remains fixed while a subset of…

Robotics · Computer Science 2026-04-20 Niranjan Kumar Ilampooranan , Constantinos Chamzas

Accurate land cover classification from satellite imagery is crucial in environmental monitoring and sustainable resource management. However, it remains challenging due to the complexity of natural landscapes, the visual similarity between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Debopom Sutradhar , Arefin Ittesafun Abian , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sheikh Izzal Azid , Sami Azam

Exploration is a fundamental problem in robot autonomy. A major limitation, however, is that during exploration robots oftentimes have to rely on on-board systems alone for state estimation, accumulating significant drift over time in large…

Robotics · Computer Science 2021-04-15 Lukas Schmid , Victor Reijgwart , Lionel Ott , Juan Nieto , Roland Siegwart , Cesar Cadena

Traversability estimation in rugged, unstructured environments remains a challenging problem in field robotics. Often, the need for precise, accurate traversability estimation is in direct opposition to the limited sensing and compute…

Robotics · Computer Science 2024-07-12 Samuel Triest , David D. Fan , Sebastian Scherer , Ali-Akbar Agha-Mohammadi

Despite the remarkable developments achieved by recent 3D generation works, scaling these methods to geographic extents, such as modeling thousands of square kilometers of Earth's surface, remains an open challenge. We address this through…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Shang Liu , Chenjie Cao , Chaohui Yu , Wen Qian , Jing Wang , Fan Wang

Large-scale high-resolution (HR) land-cover mapping is a vital task to survey the Earth's surface and resolve many challenges facing humanity. However, it is still a non-trivial task hindered by complex ground details, various landforms,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhuohong Li , Wei He , Jiepan Li , Fangxiao Lu , Hongyan Zhang

Recent advances in fine-grained representation learning leverage local-to-global (emergent) relationships for achieving state-of-the-art results. The relational representations relied upon by such methods, however, are abstract. We aim to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Abhra Chaudhuri , Massimiliano Mancini , Zeynep Akata , Anjan Dutta

Geographic routing is becoming the protocol of choice for many sensor network applications. The current state of the art is unsatisfactory: some algorithms are very efficient, however they require a preliminary planarization of the…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Olivier Powell , Sotiris Nikolesteas
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