English
Related papers

Related papers: Towards Frequency-Adaptive Learning for SAR Despec…

200 papers

Defect detection is a critical research area in artificial intelligence. Recently, synthetic data-based self-supervised learning has shown great potential on this task. Although many sophisticated synthesizing strategies exist, little…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Yuxuan Cai , Dingkang Liang , Dongliang Luo , Xinwei He , Xin Yang , Xiang Bai

Object detection has recently seen an interesting trend in terms of the most innovative research work, this task being of particular importance in the field of remote sensing, given the consistency of these images in terms of geographical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Anasse Boutayeb , Iyad Lahsen-cherif , Ahmed El Khadimi

Speckle noise severely limits the quality of images acquired from coherent imaging systems such as Synthetic Aperture Radar (SAR) and medical ultrasound. Traditional second-order PDE-based despeckling approaches, although popular, often…

Image and Video Processing · Electrical Eng. & Systems 2026-05-05 Manish Kumar , Rajendra K. Ray

Recent learning-based lossless image compression methods encode an image in the unit of subimages and achieve comparable performances to conventional non-learning algorithms. However, these methods do not consider the performance drop in…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hochang Rhee , Yeong Il Jang , Seyun Kim , Nam Ik Cho

Deep learning based methods, especially convolutional neural networks (CNNs) have been successfully applied in the field of single image super-resolution (SISR). To obtain better fidelity and visual quality, most of existing networks are of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-17 Wenbin Xie , Dehua Song , Chang Xu , Chunjing Xu , Hui Zhang , Yunhe Wang

Deepfake detectors face growing challenges in generalization as new image synthesis techniques emerge. In particular, deepfakes generated by diffusion models are highly photorealistic and often evade detectors trained on GAN-based…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Hongyuan Qi , Wenjin Hou , Hehe Fan , Jun Xiao

In this research, a novel robust change detection approach is presented for imbalanced multi-temporal synthetic aperture radar (SAR) image based on deep learning. Our main contribution is to develop a novel method for generating difference…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Xinzheng Zhang , Hang Su , Ce Zhang , Peter M. Atkinson , Xiaoheng Tan , Xiaoping Zeng , Xin Jian

We present a novel direction-aware feature-level frequency decomposition network for single image deraining. Compared with existing solutions, the proposed network has three compelling characteristics. First, unlike previous algorithms, we…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Sen Deng , Yidan Feng , Mingqiang Wei , Haoran Xie , Yiping Chen , Jonathan Li , Xiao-Ping Zhang , Jing Qin

Current self-supervised denoising methods for paired noisy images typically involve mapping one noisy image through the network to the other noisy image. However, after measuring the spectral bias of such methods using our proposed Image…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Wang Zhang , Huaqiu Li , Xiaowan Hu , Tao Jiang , Zikang Chen , Haoqian Wang

In the process of performing image super-resolution processing, the processing of complex localized information can have a significant impact on the quality of the image generated. Fractal features can capture the rich details of both micro…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Lianping Yang , Peng Jiao , Jinshan Pan , Hegui Zhu , Su Guo

Synthetic aperture sonar (SAS) image resolution is constrained by waveform bandwidth and array geometry. Specifically, the waveform bandwidth determines a point spread function (PSF) that blurs the locations of point scatterers in the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Albert Reed , Thomas Blanford , Daniel C. Brown , Suren Jayasuriya

We present a framework for adapting a large pretrained latent diffusion model to high-resolution Synthetic Aperture Radar (SAR) image generation. The approach enables controllable synthesis and the creation of rare or out-of-distribution…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Solène Debuysère , Nicolas Trouvé , Nathan Letheule , Olivier Lévêque , Elise Colin

In this paper, deep learning-based approach for the design of radar absorbing structure using resistive frequency selective surface is proposed. In the present design, reflection coefficient is used as input of deep learning model and the…

Machine Learning · Computer Science 2025-02-27 Vijay Kumar Sutrakar , Nikhil Morge , Anjana PK , Abhilash PV

Synthetic aperture radar (SAR) interferometry (InSAR) is performed using repeat-pass geometry. InSAR technique is used to estimate the topographic reconstruction of the earth surface. The main problem of the range-Doppler focusing technique…

Signal Processing · Electrical Eng. & Systems 2018-03-15 Gabriele Costante , Thomas A. Ciarfuglia , Filippo Biondi

Non-linear spectral decompositions of images based on one-homogeneous functionals such as total variation have gained considerable attention in the last few years. Due to their ability to extract spectral components corresponding to objects…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Tamara G. Grossmann , Yury Korolev , Guy Gilboa , Carola-Bibiane Schönlieb

Generative models have demonstrated significant success in anomaly detection and segmentation over the past decade. Recently, diffusion models have emerged as a powerful alternative, outperforming previous approaches such as GANs and VAEs.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Mehrdad Moradi , Marco Grasso , Bianca Maria Colosimo , Kamran Paynabar

Large-scale pre-trained Vision-Language Models (VLMs) have demonstrated strong few-shot learning capabilities. However, these methods typically learn holistic representations where an image's domain-invariant structure is implicitly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Hieu Dinh Trung Pham , Huy Minh Nhat Nguyen , Cuong Tuan Nguyen

Synthetic Aperture Radar (SAR) images are prone to be contaminated by noise, which makes it very difficult to perform target recognition in SAR images. Inspired by great success of very deep convolutional neural networks (CNNs), this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Moussa Amrani , Abdelatif Bey , Abdenour Amamra

We propose an efficient neural network for RAW image denoising. Although neural network-based denoising has been extensively studied for image restoration, little attention has been given to efficient denoising for compute limited and power…

Image and Video Processing · Electrical Eng. & Systems 2021-03-19 Lucas D. Young , Fitsum A. Reda , Rakesh Ranjan , Jon Morton , Jun Hu , Yazhu Ling , Xiaoyu Xiang , David Liu , Vikas Chandra

Conventional Synthetic Aperture Radar (SAR) systems are limited in their ability to satisfy the increasing requirement for improved spatial resolution and wider coverage. The demand for high resolution requires high sampling rates, while…

Information Theory · Computer Science 2017-11-22 Kfir Aberman , Yonina C. Eldar