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Method of Image Quality Improvement for Atmospheric Turbulence Degradation Sequence Based on Graph Laplacian Filter and Nonrigid Registration
Wu, Jing1,2; Su, Xiuqin1
作者部门光电测量技术实验室
2018
发表期刊MATHEMATICAL PROBLEMS IN ENGINEERING
ISSN1024-123X
产权排序1
摘要

It is challenging to restore a clear image from an atmospheric degraded sequence. The main reason for the image degradation is geometric distortion and blurring caused by turbulence. In this paper, we present a method to eliminate geometric distortion and blur and to recover a single high-quality image from the degraded sequence images. First, we use optical flow technology to register the sequence images, thereby suppressing the geometric deformation of each frame. Next, sequence images are summed by a temporal filter to obtain a single blurred image. Then, the graph Laplacian matrix is used as the cost function to construct the regularization term. The final clear image and point spread function are obtained by iteratively solving the problem. Experiments show that the method can effectively eliminate the distortion and blur, restore the image details, and significantly improve the image quality.

DOI10.1155/2018/4970907
收录类别SCI ; EI
语种英语
WOS研究方向Engineering ; Mathematics
WOS记录号WOS:000440427200001
出版者HINDAWI LTD
EI入藏号20183205665958
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30556
专题光电测量技术实验室
通讯作者Su, Xiuqin
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, ShaanXi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wu, Jing,Su, Xiuqin. Method of Image Quality Improvement for Atmospheric Turbulence Degradation Sequence Based on Graph Laplacian Filter and Nonrigid Registration[J]. MATHEMATICAL PROBLEMS IN ENGINEERING,2018.
APA Wu, Jing,&Su, Xiuqin.(2018).Method of Image Quality Improvement for Atmospheric Turbulence Degradation Sequence Based on Graph Laplacian Filter and Nonrigid Registration.MATHEMATICAL PROBLEMS IN ENGINEERING.
MLA Wu, Jing,et al."Method of Image Quality Improvement for Atmospheric Turbulence Degradation Sequence Based on Graph Laplacian Filter and Nonrigid Registration".MATHEMATICAL PROBLEMS IN ENGINEERING (2018).
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