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Object detection in Unmanned Aerial Vehicle (UAV) imagery is fundamentally challenged by a prevalence of small, densely packed, and occluded objects within cluttered backgrounds. Conventional detectors struggle with this domain, as they…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Hongxing Peng , Lide Chen , Hui Zhu , Yan Chen

This work presents a new approach to anomaly detection and localization in synthetic aperture radar imagery (SAR), expanding upon the existing patch distribution modeling framework (PaDiM). We introduce the adaptive cosine estimator (ACE)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Angelina Ibarra , Joshua Peeples

The primary contribution of this paper is a challenging benchmark dataset, UAVPairs, and a training pipeline designed for match pair retrieval of large-scale UAV images. First, the UAVPairs dataset, comprising 21,622 high-resolution images…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Junhuan Liu , San Jiang , Wei Ge , Wei Huang , Bingxuan Guo , Qingquan Li

The integration of unmanned aerial vehicles (UAVs) with radar imaging sensors has revolutionized the monitoring of dynamic and local Earth surface processes by enabling high-resolution and cost-effective remote sensing. This paper…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Mohamed-Amine Lahmeri , Pouya Fakharizadeh , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

With the rapid development of Unmanned Aerial Vehicles (UAVs) and the increasing complexity of low-altitude security threats, traditional UAV identification methods struggle to extract reliable signal features and meet real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Maoyu Wang , Yao Lu , Bo Zhou , Zhuangzhi Chen , Yun Lin , Qi Xuan , Guan Gui

Cost-effective localization methods for Autonomous Underwater Vehicle (AUV) navigation are key for ocean monitoring and data collection at high resolution in time and space. Algorithmic solutions suitable for real-time processing that…

Robotics · Computer Science 2025-03-12 Ellen Davenport , Khoa Nguyen , Junsu Jang , Clair Ma , Sean Fish , Luc Lenain , Florian Meyer

This paper focuses on the detection and classification of micro-unmanned aerial vehicles (UAVs) using radio frequency (RF) fingerprints of the signals transmitted from the controller to the micro-UAV. In the detection phase, raw signals are…

Signal Processing · Electrical Eng. & Systems 2019-04-12 Martins Ezuma , Fatih Erden , Chethan Kumar Anjinappa , Ozgur Ozdemir , Ismail Guvenc

Radiomics and deep learning both offer powerful tools for quantitative medical imaging, but most existing fusion approaches only leverage global radiomic features and overlook the complementary value of spatially resolved radiomic…

Image and Video Processing · Electrical Eng. & Systems 2026-02-23 Zengtian Deng , Yimeng He , Yu Shi , Lixia Wang , Touseef Ahmad Qureshi , Xiuzhen Huang , Debiao Li

Unmanned Aircraft Systems (UAS) and satellites are key data sources for precision agriculture, yet each presents trade-offs. Satellite data offer broad spatial, temporal, and spectral coverage but lack the resolution needed for many…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Arif Masrur , Peder A. Olsen , Paul R. Adler , Carlan Jackson , Matthew W. Myers , Nathan Sedghi , Ray R. Weil

The stability of mine dumps is contingent upon the precise arrangement of spoil piles, taking into account their geological and geotechnical attributes. Yet, on-site characterisation of individual piles poses a formidable challenge. The…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Sureka Thiruchittampalam , Bikram P. Banerjee , Nancy F. Glenn , Simit Raval

Motivated by recent work on atomic norms in inverse problems, we propose a new approach to line spectral estimation that provides theoretical guarantees for the mean-squared-error (MSE) performance in the presence of noise and without…

Information Theory · Computer Science 2013-02-19 Badri Narayan Bhaskar , Gongguo Tang , Benjamin Recht

Unmanned Aerial Vehicles (UAVs) especially drones, equipped with vision techniques have become very popular in recent years, with their extensive use in wide range of applications. Many of these applications require use of computer vision…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Subrahmanyam Vaddi , Chandan Kumar , Ali Jannesari

Image-based crack detection algorithms are increasingly in demand in infrastructure monitoring, as early detection of cracks is of paramount importance for timely maintenance planning. While deep learning has significantly advanced crack…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ghodsiyeh Rostami , Po-Han Chen , Mahdi S. Hosseini

Delineation approaches provide significant benefits to various domains, including agriculture, environmental and natural disasters monitoring. Most of the work in the literature utilize traditional segmentation methods that require a large…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Kostas Blekos , Stavros Nousias , Aris S Lalos

Atomic norm minimization (ANM) is a key approach for line spectral estimation (LSE). Most related algorithms formulate ANM as a semidefinite programming (SDP), which incurs high computational cost. In this letter, we revisit the ANM problem…

Optimization and Control · Mathematics 2024-11-14 Xiaozhi Liu , Jinjiang Wei , Yong Xia

Detection of artificial objects from underwater imagery gathered by Autonomous Underwater Vehicles (AUVs) is a key requirement for many subsea applications. Real-world AUV image datasets tend to be very large and unlabelled. Furthermore,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Suraj Bijjahalli , Oscar Pizarro , Stefan B. Williams

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

Recent advances in autonomous driving (AD) have highlighted the potential of hyperspectral imaging (HSI) for enhanced environmental perception, particularly in challenging weather and lighting conditions. However, efficiently processing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Imad Ali Shah , Jiarong Li , Tim Brophy , Martin Glavin , Edward Jones , Enda Ward , Brian Deegan

Accurate per-branch 3D reconstruction is a prerequisite for autonomous UAV-based tree pruning; however, dense disparity maps from modern stereo matchers often remain too noisy for individual branch analysis in complex forest canopies. This…

Image and Video Processing · Electrical Eng. & Systems 2026-02-25 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

This paper introduces two novel algorithms designed to address the challenge of super-resolution sensing parameter estimation in bistatic configurations within communication-centric integrated sensing and communication (ISAC) systems. Our…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Salmane Naoumi , Ahmad Bazzi , Roberto Bomfin , Marwa Chafii