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Object detection and classification using aerial images is a challenging task as the information regarding targets are not abundant. Synthetic Aperture Radar(SAR) images can be used for Automatic Target Recognition(ATR) systems as it can…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Sumanth Udupa , Aniruddh Sikdar , Suresh Sundaram

For 3D Synthetic Aperture Radar (SAR) imaging, one typical approach is to achieve the cross-track 1D focusing for each range-azimuth pixel after obtaining a stack of 2D complex-valued images. The cross-track focusing is the main difficulty…

Signal Processing · Electrical Eng. & Systems 2018-08-28 Jingkun Gao , Bin Deng , Yuliang Qin , Hongqiang Wang , Xiang Li

Radar is a low-cost and ubiquitous automotive sensor, but is limited by array resolution and sensitivity when performing direction of arrival analysis. Synthetic Aperture Radar (SAR) is a class of techniques to improve azimuth resolution…

Signal Processing · Electrical Eng. & Systems 2025-01-16 Leyla A. Kabuli , Griffin Foster

Feature matching determines the orientation accuracy for the High Spatial Resolution (HSR) optical satellite stereos, subsequently impacting several significant applications such as 3D reconstruction and change detection. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Qiyan Luo , Jidan Zhang , Yuzhen Xie , Xu Huang , Ting Han

Image registration is the process of bringing different images into a common coordinate system - a technique widely used in various applications of computer vision, such as remote sensing, image retrieval, and, most commonly, medical…

In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging. Recent research extends convolutional neural network (CNN) architectures from the optical to the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Christos Vasileiou , Josiah W. Smith , Shiva Thiagarajan , Matthew Nigh , Yiorgos Makris , Murat Torlak

Automatic Target Recognition (ATR) for military applications is one of the core processes towards enhancing intelligencer and autonomously operating military platforms. Spurred by this and given that Synthetic Aperture Radar (SAR) presents…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 O. Kechagias-Stamatis , N. Aouf

The promising potential of Deep Learning for Automatic Target Recognition (ATR) on Synthetic Aperture Radar (SAR) images vanishes when considering the complexity of collecting training datasets measurements. Simulation can overcome this…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Benjamin Camus , Corentin Le Barbu , Eric Monteux

The effective combination of the complementary information provided by the huge amount of unlabeled multi-sensor data (e.g., Synthetic Aperture Radar (SAR) and optical images) is a critical topic in remote sensing. Recently, contrastive…

Image and Video Processing · Electrical Eng. & Systems 2021-10-11 Yuxing Chen , Lorenzo Bruzzone

Utilizing the complementary strengths of wavelength-specific range or depth sensors is crucial for robust computer-assisted tasks such as autonomous driving. Despite this, there is still little research done at the intersection of optical…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Vanessa Wirth , Johanna Bräunig , Nikolai Hofmann , Martin Vossiek , Tim Weyrich , Marc Stamminger

The log-ratio (LR) operator has been widely employed to generate the difference image for synthetic aperture radar (SAR) image change detection. However, the difference image generated by this pixel-wise operator can be subject to SAR…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Rongfang Wang , Jia-Wei Chen , Yule Wang , Licheng Jiao , Mi Wang

Optical and Synthetic Aperture Radar (SAR) image registration is crucial for multi-modal image fusion and applications. However, several challenges limit the performance of existing deep learning-based methods in cross-modal image…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Wei Wang , Dou Quan , Ning Huyan , Chonghua Lv , Shuang Wang , Yunan Li , Licheng Jiao

In this paper, we develop a novel super-resolution algorithm for near-field synthetic-aperture radar (SAR) under irregular scanning geometries. As fifth-generation (5G) millimeter-wave (mmWave) devices are becoming increasingly affordable…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Josiah Smith , Yusef Alimam , Geetika Vedula , Murat Torlak

Co-registration of multimodal remote sensing images is still an ongoing challenge because of nonlinear radiometric differences (NRD) and significant geometric distortions (e.g., scale and rotation changes) between these images. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Yuanxin Ye , Bai Zhu , Tengfeng Tang , Chao Yang , Qizhi Xu , Guo Zhang

This paper aims at providing multi-source remote sensing images registered in geometric space for image fusion. Focusing on the characteristics and differences of multi-source remote sensing images, a feature-based registration algorithm is…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Chenzhong Gao , Wei Li

Despite the advantages of all-weather and all-day high-resolution imaging, synthetic aperture radar (SAR) images are much less viewed and used by general people because human vision is not adapted to microwave scattering phenomenon.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Shilei Fu , Feng Xu , Ya-Qiu Jin

Automotive targets undergoing turns in road junctions offer large synthetic apertures over short dwell times to automotive radars that can be exploited for obtaining fine cross-range resolution. Likewise, the wide bandwidths of the…

Signal Processing · Electrical Eng. & Systems 2022-09-28 Shobha Sundar Ram

This work aims to train Deep Learning models to perform Automatic Target Recognition (ATR) on Synthetic Aperture Radar (SAR) images. To circumvent the lack of real labelled measurements, we resort to synthetic data produced by SAR…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Benjamin Camus , Julien Houssay , Corentin Le Barbu , Eric Monteux , Cédric Saleun , Christian Cochin

Limited by the cost and technology, the resolution of depth map collected by depth camera is often lower than that of its associated RGB camera. Although there have been many researches on RGB image super-resolution (SR), a major problem…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Chuhua Xian , Kun Qian , Zitian Zhang , Charlie C. L. Wang

Microscopy images obtained from multiple camera lenses or sensors in biological experiments provide a comprehensive understanding of objects from diverse perspectives. However, using multiple microscope setups increases the risk of…

Image and Video Processing · Electrical Eng. & Systems 2024-07-18 Ruixiong Wang , Stephen Cross , Alin Achim