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Synthetic Aperture Radar (SAR) images are often contaminated by a multiplicative noise known as speckle. Speckle makes the processing and interpretation of SAR images difficult. We propose a deep learning-based approach called, Image…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Puyang Wang , He Zhang , Vishal M. Patel

Deep learning has substantially advanced medical image segmentation, yet achieving robust generalization across diverse imaging modalities and anatomical structures remains a major challenge. A key contributor to this limitation lies in how…

图像与视频处理 · 电气工程与系统科学 2026-01-23 Shams Nafisa Ali , Taufiq Hasan

In this paper, we introduce a new deep learning framework for discovering the phase field models from existing image data. The new framework embraces the approximation power of physics informed neural networks (PINN), and the computational…

数值分析 · 数学 2020-07-10 Jia Zhao

Radio interferometry invariably suffers from an incomplete coverage of the spatial Fourier space, which leads to imaging artifacts. The current state-of-the-art technique is to create an image by Fourier-transforming the incomplete…

天体物理仪器与方法 · 物理学 2024-12-19 F. Geyer , K. Schmidt , J. Kummer , M. Brüggen , H. W. Edler , D. Elsässer , F. Griese , A. Poggenpohl , L. Rustige , W. Rhode

Phase retrieval problem has been studied in various applications. It is an inverse problem without the standard uniqueness guarantee. To make complete theoretical analyses and devise efficient algorithms to recover the signal is…

信息论 · 计算机科学 2019-05-22 Ziyang Yuan , Hongxia Wang

Phase retrieval is in general a non-convex and non-linear task and the corresponding algorithms struggle with the issue of local minima. We consider the case where the measurement samples within typically very small and disconnected subsets…

信号处理 · 电气工程与系统科学 2022-06-28 Jonas Kornprobst , Alexander Paulus , Josef Knapp , Thomas F. Eibert

Image forgery detection aims to detect and locate forged regions in an image. Most existing forgery detection algorithms formulate classification problems to classify pixels into forged or pristine. However, the definition of forged and…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Haiwei Wu , Yiming Chen , Jiantao Zhou , Yuanman Li

Fourier ptychography (FP) is a newly developed computational imaging approach that achieves both high resolution and wide field of view by stitching a series of low-resolution images captured under angle-varied illumination. So far, many…

图像与视频处理 · 电气工程与系统科学 2019-09-20 Yongbing Zhang , Yangzhe Liu , Xiu Li , Shaowei Jiang , Krishna Dixit , Xinfeng Zhang , Xiangyang Ji

Coherent X-ray Diffraction Imaging (CXDI) technique offers unique insights into the nanoscale world, enabling the reconstruction of 3D structures with a nanoscale resolution achieved through computational phase reconstruction from measured…

计算物理 · 物理学 2024-03-26 Fangzhou Ai , Oleg Shpyrko , Vitaliy Lomakin

We consider the problem of phase retrieval, namely, recovery of a signal from the magnitude of its Fourier transform, or of any other linear transform. Due to the loss of the Fourier phase information, this problem is ill-posed. Therefore,…

信息论 · 计算机科学 2023-07-19 Yoav Shechtman , Amir Beck , Yonina C. Eldar

Decoding brain signals accurately and efficiently is crucial for intra-cortical brain-computer interfaces. Traditional decoding approaches based on neural activity vector features suffer from low accuracy, whereas deep learning based…

人机交互 · 计算机科学 2025-04-15 Song Yang , Haotian Fu , Herui Zhang , Peng Zhang , Wei Li , Dongrui Wu

Implicit neural representations (INRs) have emerged as a powerful tool for solving inverse problems in computer vision and computational imaging. INRs represent images as continuous domain functions realized by a neural network taking…

图像与视频处理 · 电气工程与系统科学 2025-06-12 Mahrokh Najaf , Gregory Ongie

It is well known that attention mechanisms can effectively improve the performance of many CNNs including object detectors. Instead of refining feature maps prevalently, we reduce the prohibitive computational complexity by a novel attempt…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Hefei Ling , Yangyang Qin , Li Zhang , Yuxuan Shi , Ping Li

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

Hyperspectral imaging is an important tool having been applied in various fields, but still limited in observation of dynamic scenes. In this paper, we propose a snapshot hyperspectral imaging technique which exploits both spectral and…

仪器与探测器 · 物理学 2018-12-26 Chao Deng , Xuemei Hu , Jinli Suo , Yuanlong Zhang , Zhili Zhang , Qionghai Dai

Convolutional neural networks with many layers have recently been shown to achieve excellent results on many high-level tasks such as image classification, object detection and more recently also semantic segmentation. Particularly for…

计算机视觉与模式识别 · 计算机科学 2015-03-10 Alexander G. Schwing , Raquel Urtasun

Deep Convolutional Neural Networks (CNNs) have demonstrated excellent performance in image classification, but still show room for improvement in object-detection tasks with many categories, in particular for cluttered scenes and occlusion.…

计算机视觉与模式识别 · 计算机科学 2015-03-24 Nikolaos Karianakis , Thomas J. Fuchs , Stefano Soatto

Learning discriminative representations for subtle localized details plays a significant role in Fine-grained Visual Categorization (FGVC). Compared to previous attention-based works, our work does not explicitly define or localize the part…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ranran Huang , Yu Wang , Huazhong Yang

This paper develops a novel framework for phase retrieval, a problem which arises in X-ray crystallography, diffraction imaging, astronomical imaging and many other applications. Our approach combines multiple structured illuminations…

信息论 · 计算机科学 2011-09-21 Emmanuel J. Candes , Yonina Eldar , Thomas Strohmer , Vlad Voroninski

High-resolution aerial images have a wide range of applications, such as military exploration, and urban planning. Semantic segmentation is a fundamental method extensively used in the analysis of high-resolution aerial images. However, the…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Jingbo Lin , Weipeng Jing , Houbing Song
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