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We introduce a deep learning (DL) framework for inverse problems in imaging, and demonstrate the advantages and applicability of this approach in passive synthetic aperture radar (SAR) image reconstruction. We interpret image recon-…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Bariscan Yonel , Eric Mason , Birsen Yazıcı

Coherent imaging systems like synthetic aperture radar are susceptible to multiplicative noise that makes applications like automatic target recognition challenging. In this paper, NeighCNN, a deep learning-based speckle reduction algorithm…

图像与视频处理 · 电气工程与系统科学 2021-08-27 Praveen Ravirathinam , Darshan Agrawal , J. Jennifer Ranjani

Significant progress has been made in self-supervised image denoising (SSID) in the recent few years. However, most methods focus on dealing with spatially independent noise, and they have little practicality on real-world sRGB images with…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Junyi Li , Zhilu Zhang , Xiaoyu Liu , Chaoyu Feng , Xiaotao Wang , Lei Lei , Wangmeng Zuo

This article is written to serve as an introduction and survey of imaging with synthetic aperture radar (SAR). The reader will benefit from having some familiarity with harmonic analysis, electromagnetic radiation, and inverse problems.…

数值分析 · 数学 2019-10-24 Toby Sanders , Christian Dwyer , Rodrigo B. Platte

Forward modeling of wave scattering and radar imaging mechanisms is the key to information extraction from synthetic aperture radar (SAR) images. Like inverse graphics in optical domain, an inherently-integrated forward-inverse approach…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Shilei Fu , Feng Xu

We propose a novel approach for generating high quality visible-like images from Synthetic Aperture Radar (SAR) images using Deep Convolutional Generative Adversarial Network (GAN) architectures. The proposed approach is based on a cascaded…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Puyang Wang , Vishal M. Patel

We propose a new method for SAR image despeckling which leverages information drawn from co-registered optical imagery. Filtering is performed by plain patch-wise nonlocal means, operating exclusively on SAR data. However, the filtering…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Sergio Vitale , Davide Cozzolino , Giuseppe Scarpa , Luisa Verdoliva , Giovanni Poggi

In this paper, we address the problem of monocular depth estimation when only a limited number of training image-depth pairs are available. To achieve a high regression accuracy, the state-of-the-art estimation methods rely on CNNs trained…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Rongrong Ji , Ke Li , Yan Wang , Xiaoshuai Sun , Feng Guo , Xiaowei Guo , Yongjian Wu , Feiyue Huang , Jiebo Luo

Deep Neural Networks have recently demonstrated promising performance in binary change detection (CD) problems in remote sensing (RS), requiring a large amount of labeled multitemporal training samples. Since collecting such data is…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Jose Luis Holgado Alvarez , Mahdyar Ravanbakhsh , Begüm Demir

Speckle artifacts degrade image quality in virtually all modalities that utilize coherent energy, including optical coherence tomography, reflectance confocal microscopy, ultrasound, and widefield imaging with laser illumination. We present…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Taylor L. Bobrow , Faisal Mahmood , Miguel Inserni , Nicholas J. Durr

Reducing speckle and limiting the variations of the physical parameters in Synthetic Aperture Radar (SAR) images is often a key-step to fully exploit the potential of such data. Nowadays, deep learning approaches produce state of the art…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Inès Meraoumia , Emanuele Dalsasso , Loïc Denis , Florence Tupin

Deep learning (DL) in remote sensing has nowadays become an effective operative tool: it is largely used in applications such as change detection, image restoration, segmentation, detection and classification. With reference to synthetic…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio

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…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Lucian Chauvin , Somil Gupta , Angelina Ibarra , Joshua Peeples

Deep learning based semantic segmentation is one of the popular methods in remote sensing image segmentation. In this paper, a network based on the widely used encoderdecoder architecture is proposed to accomplish the synthetic aperture…

图像与视频处理 · 电气工程与系统科学 2022-06-03 Donghui Li , Jia Liu , Fang Liu , Wenhua Zhang , Andi Zhang , Wenfei Gao , Jiao Shi

In the problem of spotlight mode airborne synthetic aperture radar (SAR) image formation, it is well-known that data collected over a wide azimuthal angle violate the isotropic scattering property typically assumed. Many techniques have…

图像与视频处理 · 电气工程与系统科学 2023-04-12 Victor Churchill , Anne Gelb

Although the advances of self-supervised blind denoising are significantly superior to conventional approaches without clean supervision in synthetic noise scenarios, it shows poor quality in real-world images due to spatially correlated…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Kanggeun Lee , Kyungryun Lee , Won-Ki Jeong

Learning single image deraining (SID) networks from an unpaired set of clean and rainy images is practical and valuable as acquiring paired real-world data is almost infeasible. However, without the paired data as the supervision, learning…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Xiang Chen , Jinshan Pan , Kui Jiang , Yufeng Li , Yufeng Huang , Caihua Kong , Longgang Dai , Zhentao Fan

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

Coherent imaging systems, such as medical ultrasound and synthetic aperture radar (SAR), are subject to corruption from speckle due to sub-resolution scatterers. Since speckle is multiplicative in nature, the constituent image regions…

图像与视频处理 · 电气工程与系统科学 2023-11-21 Soumee Guha , Scott T. Acton

The reconstructed images from the Synthetic Aperture Radar (SAR) data suffer from multiplicative noise as well as low contrast level. These two factors impact the quality of the SAR images significantly and prevent any attempt to extract…

图像与视频处理 · 电气工程与系统科学 2024-12-05 Shahrokh Hamidi