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Change detection (CD) aims to find the difference between two images at different times and outputs a change map to represent whether the region has changed or not. To achieve a better result in generating the change map, many…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Chao-Peng Chen , Jun-Wei Hsieh , Ping-Yang Chen , Yi-Kuan Hsieh , Bor-Shiun Wang

Three-dimensional (3D) reconstruction of ships is an important part of maritime monitoring, allowing improved visualization, inspection, and decision-making in real-world monitoring environments. However, most state-ofthe-art 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Borja Carrillo-Perez , Felix Sattler , Angel Bueno Rodriguez , Maurice Stephan , Sarah Barnes

Synthetic aperture imaging (SAI) is able to achieve the see through effect by blurring out the off-focus foreground occlusions and reconstructing the in-focus occluded targets from multi-view images. However, very dense occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xiang Zhang , Wei Liao , Lei Yu , Wen Yang , Gui-Song Xia

Along with the improvement of radar technologies, Automatic Target Recognition (ATR) using Synthetic Aperture Radar (SAR) and Inverse SAR (ISAR) has come to be an active research area. SAR/ISAR are radar techniques to generate a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Carlos Pena-Caballero , Elifaleth Cantu , Jesus Rodriguez , Adolfo Gonzales , Osvaldo Castellanos , Angel Cantu , Megan Strait , Jae Son , Dongchul Kim

Several generic methods have recently been developed for change detection in heterogeneous remote sensing data, such as images from synthetic aperture radar (SAR) and multispectral radiometers. However, these are not well suited to detect…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Jørgen A. Agersborg , Luigi T. Luppino , Stian Normann Anfinsen , Jane Uhd Jepsen

Single-frame InfraRed Small Target (SIRST) detection has been a challenging task due to a lack of inherent characteristics, imprecise bounding box regression, a scarcity of real-world datasets, and sensitive localization evaluation. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Yimian Dai , Xiang Li , Fei Zhou , Yulei Qian , Yaohong Chen , Jian Yang

Unmanned Aerial Vehicles (UAVs) are crucial in Search and Rescue (SAR) missions due to their ability to monitor vast maritime areas. However, small objects often remain difficult to detect from high altitudes due to low object-to-background…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Sakib Ahmed , Oscar Pizarro

Detecting and tracking ground objects using earth observation imagery remains a significant challenge in the field of remote sensing. Continuous maritime ship tracking is crucial for applications such as maritime search and rescue, law…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Han Wang , Shengyang Li , Jian Yang , Yuxuan Liu , Yixuan Lv , Zhuang Zhou

Spaceborne synthetic aperture radar can provide meters scale images of the ocean surface roughness day or night in nearly all weather conditions. This makes it a unique asset for many geophysical applications. Sentinel 1 SAR wave mode…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Nicolae-Catalin Ristea , Andrei Anghel , Mihai Datcu , Bertrand Chapron

Anomaly detection is a key research challenge in computer vision and machine learning with applications in many fields from quality control to radar imaging. In radar imaging, specifically synthetic aperture radar (SAR), anomaly detection…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Lucian Chauvin , Somil Gupta , Angelina Ibarra , Joshua Peeples

Semantic change detection in remote sensing aims to identify land cover changes between bi-temporal image pairs. Progress in this area has been limited by the scarcity of annotated datasets, as pixel-level annotation is costly and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Xavier Bou , Elliot Vincent , Gabriele Facciolo , Rafael Grompone von Gioi , Jean-Michel Morel , Thibaud Ehret

Robust maritime obstacle detection is essential for fully autonomous unmanned surface vehicles (USVs). The currently widely adopted segmentation-based obstacle detection methods are prone to misclassification of object reflections and sun…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Lojze Žust , Matej Kristan

Convolutional neural networks (CNNs) have been extensively and successfully applied to the task of synthetic aperture radar (SAR) image change detection. However, conventional convolutional layers are inherently limited by their local…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Baogui Huan , Chuanzheng Gong , Dezhong Chen , Feng Gao , Junyu Dong , Qian Du

Understanding causality in event sequences with thousands of sparse event types is critical in domains such as healthcare, cybersecurity, or vehicle diagnostics, yet current methods fail to scale. We present OSCAR, a one-shot causal…

Machine Learning · Computer Science 2025-11-14 Hugo Math , Robin Schön , Rainer Lienhart

The scarcity of annotated surgical data poses a significant challenge for developing deep learning systems in computer-assisted interventions. While diffusion models can synthesize realistic images, they often suffer from data memorization,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Danush Kumar Venkatesh , Stefanie Speidel

Omnidirectional images (ODIs) have obtained lots of research interest for immersive experiences. Although ODIs require extremely high resolution to capture details of the entire scene, the resolutions of most ODIs are insufficient. Previous…

Image and Video Processing · Electrical Eng. & Systems 2023-02-10 Fanghua Yu , Xintao Wang , Mingdeng Cao , Gen Li , Ying Shan , Chao Dong

Semantic segmentation from RGB cameras is essential to the perception of autonomous flying vehicles. The stability of predictions through the captured videos is paramount to their reliability and, by extension, to the trustworthiness of the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Cédric Vincent , Taehyoung Kim , Henri Meeß

Accurate detection of cancer tissue regions (CTR) enables deeper analysis of the tumor microenvironment and offers crucial insights into treatment response. Traditional CTR detection methods, which typically rely on the rich cellular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Shuailin Xue , Jun Wan , Lihua Zhang , Wenwen Min

Radar odometry estimation has emerged as a critical technique in the field of autonomous navigation, providing robust and reliable motion estimation under various environmental conditions. Despite its potential, the complex nature of radar…

Robotics · Computer Science 2024-04-08 Matteo Frosi , Mirko Usuelli , Matteo Matteucci

Humans do not memorize everything. Thus, humans recognize scene changes by exploring the past images. However, available past (i.e., reference) images typically represent nearby viewpoints of the present (i.e., query) scene, rather than the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Kyusik Cho , Suhan Woo , Hongje Seong , Euntai Kim