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The capabilities of autonomous flight with unmanned aerial vehicles (UAVs) have significantly increased in recent times. However, basic problems such as fast and robust geo-localization in GPS-denied environments still remain unsolved.…

Robotics · Computer Science 2021-08-10 Shuxiao Chen , Xiangyu Wu , Mark W. Mueller , Koushil Sreenath

The application of state-of-the-art spatial econometric models requires that the information about the spatial coordinates of statistical units is completely accurate, which is usually the case in the context of areal data. With…

Methodology · Statistics 2019-09-06 Giuseppe Arbia , Maria Michela Dickson , Giuseppe Espa , Diego Giuliani , Flavio Santi

Synthetic Aperture Radar (SAR) and optical imagery provide complementary strengths that constitute the critical foundation for transcending single-modality constraints and facilitating cross-modal collaborative processing and intelligent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Peihao Wu , Yongxiang Yao , Yi Wan , Wenfei Zhang , Ruipeng Zhao , Jiayuan Li , Yongjun Zhang

External factors, including urban canyons and adversarial interference, can lead to Global Positioning System (GPS) inaccuracies that vary as a function of the position in the environment. This study addresses the challenge of estimating a…

Unsupervised Domain Adaptation for Regression (UDAR) aims to adapt models from a labeled source domain to an unlabeled target domain for regression tasks. Traditional feature alignment methods, successful in classification, often prove…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Ismail Nejjar , Gaetan Frusque , Florent Forest , Olga Fink

Autonomous unmanned aerial vehicles (UAVs) with on-board base station equipment can potentially provide connectivity in areas where the terrestrial infrastructure is overloaded, damaged, or absent. Use cases comprise emergency response,…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Daniel Romero , Geert Leus

Knowing where livestock are located enables optimized management and mustering. However, Australian farms are large meaning that many of Australia's livestock are unmonitored which impacts farm profit, animal welfare and the environment.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Jasper Brown , Yongliang Qiao , Cameron Clark , Sabrina Lomax , Khalid Rafique , Salah Sukkarieh

The use of autonomous underwater vehicles (AUVs) to accomplish traditionally challenging and dangerous tasks has proliferated thanks to advances in sensing, navigation, manipulation, and on-board computing technologies. Utilizing AUVs in…

Robotics · Computer Science 2024-01-10 Demetrious T. Kutzke , Ashwin Wariar , Junaed Sattar

We introduce Paired-CSLiDAR (CSLiDAR), a cross-source aerial-ground LiDAR benchmark for single-scan pose refinement: refining a ground-scan pose within a 50 m-radius aerial crop. The benchmark contains 12,683 ground-aerial pairs across 6…

Robotics · Computer Science 2026-05-04 Montana Hoover , Jing Liang , Tianrui Guan , Dinesh Manocha

This paper presents an algorithm for indoor layout estimation and reconstruction through the fusion of a sequence of captured images and LiDAR data sets. In the proposed system, a movable platform collects both intensity images and 2D LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Jieyu Li , Robert L Stevenson

Spacecraft pose estimation networks require tens of thousands of CAD-rendered images to be trained. This reliance on synthetic CAD data (i) limits applicability to targets with reliable geometry prior, excluding uncooperative or poorly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer

Robust 3D representation learning forms the perceptual foundation of spatial intelligence, enabling downstream tasks in scene understanding and embodied AI. However, learning such representations directly from unposed multi-view images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Bo Zhou , Qiuxia Lai , Zeren Sun , Xiangbo Shu , Yazhou Yao , Wenguan Wang

In airborne light detection and ranging (LiDAR) systems, misalignments between the LiDAR-scanner and the inertial navigation system (INS) mounted on an unmanned aerial vehicle (UAV)'s frame can lead to inaccurate 3D point clouds.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Smitha Gopinath , Hassan L. Hijazi , Adam Collins , Julian Dann Nathan Lemons , Emily Schultz-Fellenz , Russell Bent , Amira Hijazi , Gert Riemersma

Precise temporal and spatial alignment is critical in collaborative Augmented Reality (AR) where users rely on shared visual information to coordinate actions. System latency and object misalignment can disrupt communication, reduce task…

Human-Computer Interaction · Computer Science 2025-12-09 Michael Stern , Maurizio Vergari , Julia Schorlemmer , Francesco Vona , David Grieshammer , Jan-Niklas Voigt-Antons

Automated sensing instruments on satellites and aircraft have enabled the collection of massive amounts of high-resolution observations of spatial fields over large spatial regions. If these datasets can be efficiently exploited, they can…

Methodology · Statistics 2015-12-08 Matthias Katzfuss

This paper presents research findings on handling faulty measurements (i.e., outliers) of global navigation satellite systems (GNSS) for vehicle localization under adverse signal conditions in field applications, where raw GNSS data are…

Robotics · Computer Science 2025-10-16 Haoming Zhang

Absolute localization, aiming to determine an agent's location with respect to a global reference, is crucial for unmanned aerial vehicles (UAVs) in various applications, but it becomes challenging when global navigation satellite system…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Xiangkai Zhang , Xiang Zhou , Mao Chen , Yuchen Lu , Xu Yang , Zhiyong Liu

We present Stochastic Gaussian Splatting (SGS): the first framework for uncertainty estimation using Gaussian Splatting (GS). GS recently advanced the novel-view synthesis field by achieving impressive reconstruction quality at a fraction…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Luca Savant , Diego Valsesia , Enrico Magli

Reconfigurable intelligent surface (RIS)-aided localization systems are increasingly recognized for enhancing accuracy in internet of things (IoT) networks. However, prevailing studies tend to either assume a Gaussian distribution for angle…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Tuo Wu , Hong Ren , Cunhua Pan , Yijin Pan , Sheng Hong , Maged Elkashlan , Feng Shu , Jiangzhou Wang

Mounting compact and lightweight base stations on unmanned aerial vehicles (UAVs) is a cost-effective and flexible solution to provide seamless coverage on the existing terrestrial networks. While the coverage probability in UAV-assisted…

Information Theory · Computer Science 2023-01-31 Minwei Shi , Kai Yang , Dusit Niyato , Hang Yuan , He Zhou , Zhan Xu
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