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Accurate soil moisture (SM) estimation is critical for precision agriculture, water resources management and climate monitoring. Yet, existing satellite SM products are too coarse (>1km) for farm-level applications. We present a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Ioannis Kontogiorgakis , Athanasios Askitopoulos , Iason Tsardanidis , Dimitrios Bormpoudakis , Ilias Tsoumas , Fotios Balampanis , Charalampos Kontoes

Geospatial joins are a core building block of connected mobility applications. An especially challenging problem are joins between streaming points and static polygons. Since points are not known beforehand, they cannot be indexed.…

Accurately determining the geographic location where a single image was taken, visual geolocation, remains a formidable challenge due to the planet's vastness and the deceptive similarity among distant locations. We introduce GeoLocSFT, a…

Artificial Intelligence · Computer Science 2025-06-03 Qiang Yi , Lianlei Shan

Modern unmanned aerial vehicles (UAVs) are irreplaceable in search and rescue (SAR) missions to obtain a situational overview or provide closeups without endangering personnel. However, UAVs heavily rely on global navigation satellite…

Robotics · Computer Science 2024-12-04 Jan Quenzel , Linus T. Mallwitz , Benedikt T. Arnold , Sven Behnke

Generative Retrieval (GR) has emerged as a promising paradigm to unify indexing and search within a single probabilistic framework. However, existing approaches suffer from two intrinsic conflicts: (1) an Optimization Blockage, where the…

Information Retrieval · Computer Science 2026-03-12 Xujing Wang , Yufeng Chen , Boxuan Zhang , Jie Zhao , Chao Wei , Cai Xu , Ziyu Guan , Wei Zhao , Weiru Zhang , Xiaoyi Zeng

Monocular depth estimation (MDE) plays a pivotal role in various computer vision applications, such as robotics, augmented reality, and autonomous driving. Despite recent advancements, existing methods often fail to meet key requirements…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Andrii Litvynchuk , Ivan Livinsky , Anand Ravi , Nima Kalantari , Andrii Tsarov

Accurate photometric redshift estimation is critical for observational cosmology, especially in large-scale surveys where spectroscopic measurements are impractical. Traditional approaches include template fitting and machine learning, each…

Instrumentation and Methods for Astrophysics · Physics 2026-04-15 Jonas Chris Ferrao , Dickson Dias , Pranav Naik , Glory D'Cruz , Anish Naik , Siya Khandeparkar , Manisha Gokuldas Fal Dessai

We present the Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT), a new, open-source suite to fit the orbital elements of planetary or stellar mass companions to any combination of radial velocity and astrometric data. To explore the…

Instrumentation and Methods for Astrophysics · Physics 2017-11-13 Kyle Mede , Timothy D. Brandt

The ability to estimate pose and generate maps using 3D LiDAR significantly enhances robotic system autonomy. However, existing open-source datasets lack representation of geometrically degenerate environments, limiting the development and…

Robotics · Computer Science 2024-09-11 Zhiqiang Chen , Yuhua Qi , Dapeng Feng , Xuebin Zhuang , Hongbo Chen , Xiangcheng Hu , Jin Wu , Kelin Peng , Peng Lu

With the rise in global greenhouse gas emissions, accurate large-scale tree canopy height maps are essential for understanding forest structure, estimating above-ground biomass, and monitoring ecological disruptions. To this end, we present…

Machine Learning · Computer Science 2026-03-13 Jan Pauls , Max Zimmer , Berkant Turan , Sassan Saatchi , Philippe Ciais , Sebastian Pokutta , Fabian Gieseke

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

Kinodynamic motion planning for non-holomonic mobile robots is a challenging problem that is lacking a universal solution. One of the computationally efficient ways to solve it is to build a geometric path first and then transform this path…

Robotics · Computer Science 2021-08-17 Brian Angulo , Konstantin Yakovlev , Ivan Radionov

The response of the antenna is a source of uncertainty in measurements with the Experiment to Detect the Global EoR Signature (EDGES). We aim to validate the beam model of the low-band (50-100 MHz) dipole antenna with comparisons between…

Instrumentation and Methods for Astrophysics · Physics 2021-07-07 Nivedita Mahesh , Judd D. Bowman , Thomas J. Mozdzen , Alan E. E. Rogers , Raul A. Monsalve , Steven G. Murray , David Lewis

This paper presents a large-scale strip adjustment method for LiDAR mobile mapping data, yielding highly precise maps. It uses several concepts to achieve scalability. First, an efficient graph-based pre-segmentation is used, which directly…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-09-27 Claus Brenner

The FastGeodis package provides an efficient implementation for computing Geodesic and Euclidean distance transforms (or a mixture of both), targeting efficient utilisation of CPU and GPU hardware. In particular, it implements the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Muhammad Asad , Reuben Dorent , Tom Vercauteren

Global 21cm cosmology aims to investigate the cosmic dawn and epoch of reionisation by measuring the sky averaged HI absorption signal, which requires, accurate modelling of, or correction for, the bright radio foregrounds and distortions…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-18 Dominic Anstey , Eloy de Lera Acedo , Will Handley

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

Accurate localization is essential for autonomous driving, but GNSS-based methods struggle in challenging environments such as urban canyons. Cross-view pose optimization offers an effective solution by directly estimating vehicle pose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Wooju Lee , Juhye Park , Dasol Hong , Changki Sung , Youngwoo Seo , Dongwan Kang , Hyun Myung

Pulmonary respiratory motion artifacts are common in four-dimensional computed tomography (4DCT) of lungs and are caused by missing, duplicated, and misaligned image data. This paper presents a geodesic density regression (GDR) algorithm to…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Wei Shao , Yue Pan , Oguz C. Durumeric , Joseph M. Reinhardt , John E. Bayouth , Mirabela Rusu , Gary E. Christensen