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State-of-the-art atmospheric turbulence image restoration methods utilize standard image processing tools such as optical flow, lucky region and blind deconvolution to restore the images. While promising results have been reported over the…

图像与视频处理 · 电气工程与系统科学 2019-05-21 Nicholas Chimitt , Zhiyuan Mao , Guanzhe Hong , Stanley H. Chan

Infrared images captured under turbulent conditions are degraded by complex geometric distortions and blur. We address infrared deturbulence as an image restoration task, proposing DparNet, a parameter-assisted multi-frame network with a…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Yi Lu , Yadong Wang , Xingbo Jiang , Xiangzhi Bai

Atmospheric turbulence is a major source of image degradation in long-range imaging systems. Although numerous deep learning-based turbulence mitigation (TM) methods have been proposed, many are slow, memory-hungry, and do not generalize…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Xingguang Zhang , Nicholas Chimitt , Xijun Wang , Yu Yuan , Stanley H. Chan

The atmospheric and water turbulence mitigation problems have emerged as challenging inverse problems in computer vision and optics communities over the years. However, current methods either rely heavily on the quality of the training…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Weiyun Jiang , Yuhao Liu , Vivek Boominathan , Ashok Veeraraghavan

Imaging at a long distance often requires advanced image restoration algorithms to compensate for the distortions caused by atmospheric turbulence. However, unlike many standard restoration problems such as deconvolution, the forward image…

图像与视频处理 · 电气工程与系统科学 2022-09-14 Stanley H. Chan

Monocular depth estimation and image deblurring are two fundamental tasks in computer vision, given their crucial role in understanding 3D scenes. Performing any of them by relying on a single image is an ill-posed problem. The recent…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Saqib Nazir , Lorenzo Vaquero , Manuel Mucientes , Víctor M. Brea , Daniela Coltuc

We design an optical feedback network making use of machine learning techniques and demonstrate via simulations its ability to correct for the effects of turbulent propagation on optical modes. This artificial neural network scheme only…

信号处理 · 电气工程与系统科学 2018-06-22 Sanjaya Lohani , Ryan T. Glasser

We introduce a novel technique to mitigate the adverse effects of atmospheric turbulence on astronomical imaging. Utilizing a video-to-image neural network trained on simulated data, our method processes a sliding sequence of short-exposure…

天体物理仪器与方法 · 物理学 2024-05-09 Spencer Bialek , Emmanuel Bertin , Sébastien Fabbro , Hervé Bouy , Jean-Pierre Rivet , Olivier Lai , Jean-Charles Cuillandre

Many studies have been conducted so far on image restoration, the problem of restoring a clean image from its distorted version. There are many different types of distortion which affect image quality. Previous studies have focused on…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Masanori Suganuma , Xing Liu , Takayuki Okatani

Recovering images distorted by atmospheric turbulence is a challenging inverse problem due to the stochastic nature of turbulence. Although numerous turbulence mitigation (TM) algorithms have been proposed, their efficiency and…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Xingguang Zhang , Nicholas Chimitt , Yiheng Chi , Zhiyuan Mao , Stanley H. Chan

In this paper, we address the problem of estimating and removing non-uniform motion blur from a single blurry image. We propose a deep learning approach to predicting the probabilistic distribution of motion blur at the patch level using a…

计算机视觉与模式识别 · 计算机科学 2015-04-14 Jian Sun , Wenfei Cao , Zongben Xu , Jean Ponce

Deblurring can not only provide visually more pleasant pictures and make photography more convenient, but also can improve the performance of objection detection as well as tracking. However, removing dynamic scene blur from images is a…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Jiawei Zhang , Jinshan Pan , Daoye Wang , Shangchen Zhou , Xing Wei , Furong Zhao , Jianbo Liu , Jimmy Ren

The non-uniform blur of atmospheric turbulence can be modeled as a superposition of linear motion blur kernels at a patch level. We propose a regression convolutional neural network (CNN) to predict angle and length of a linear motion blur…

图像与视频处理 · 电气工程与系统科学 2024-11-07 Luis G. Varela , Laura E. Boucheron , Steven Sandoval , David Voelz , Abu Bucker Siddik

Correlated imaging through atmospheric turbulence is studied, and the analytical expressions describing turbulence effects on image resolution are derived. Compared with direct imaging, correlated imaging can reduce the influence of…

光学 · 物理学 2015-05-19 Pengli Zhang , Wenlin Gong , Xia Shen , Shensheng Han

tmospheric turbulence presents a significant challenge in long-range imaging. Current restoration algorithms often struggle with temporal inconsistency, as well as limited generalization ability across varying turbulence levels and scene…

图像与视频处理 · 电气工程与系统科学 2023-12-11 Haoming Cai , Jingxi Chen , Brandon Y. Feng , Weiyun Jiang , Mingyang Xie , Kevin Zhang , Ashok Veeraraghavan , Christopher Metzler

Image restoration from a single image degradation type, such as blurring, hazing, random noise, and compression has been investigated for decades. However, image degradations in practice are often a mixture of several types of degradation.…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Kazutaka Uchida , Masayuki Tanaka , Masatoshi Okutomi

In recent years, the widespread use of deep neural networks (DNNs) has facilitated great improvements in performance for computer vision tasks like image classification and object recognition. In most realistic computer vision applications,…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Tejas Borkar , Lina Karam

Face deblurring aims to restore a clear face image from a blurred input image with more explicit structure and facial details. However, most conventional image and face deblurring methods focus on the whole generated image resolution…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Xian Zhang , Hao Zhang , Jiancheng Lv , Xiaojie Li

Low-quality face image restoration is a popular research direction in today's computer vision field. It can be used as a pre-work for tasks such as face detection and face recognition. At present, there is a lot of work to solve the problem…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Shiqing Fan , Ye Luo

Reconstructing the detailed geometric structure of a face from a given image is a key to many computer vision and graphics applications, such as motion capture and reenactment. The reconstruction task is challenging as human faces vary…

计算机视觉与模式识别 · 计算机科学 2017-04-07 Elad Richardson , Matan Sela , Roy Or-El , Ron Kimmel