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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
Department光电测量技术实验室
2018
Source PublicationMATHEMATICAL PROBLEMS IN ENGINEERING
ISSN1024-123X
Contribution Rank1
Abstract

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
Indexed BySCI ; EI
Language英语
WOS Research AreaEngineering ; Mathematics
WOS IDWOS:000440427200001
PublisherHINDAWI LTD
EI Accession Number20183205665958
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30556
Collection光电测量技术实验室
Corresponding AuthorSu, Xiuqin
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, ShaanXi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
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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