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A method for correcting illumination unevenness of solar image
Fu, Xiaona1; Ji KF(季凯帆)1,2; Yang, Yunfei1,3; Duan, Wenliang1; Deng, Hui1; Zhang, Xiaoli1
会议录名称International Conference on Software Engineering and Service Science -PROCEEDINGS OF 2017 8TH IEEE INTERNATIONAL CONFERENCE ON SOFTWARE ENGINEERING AND SERVICE SCIENCE (ICSESS 2017)
2018-04-19
卷号2017-November
页码233-236
DOI10.1109/ICSESS.2017.8342903
会议录编者/会议主办者Wenzheng, L; Babu, MSP; Xiaohui, L
产权排序第2完成单位
收录类别EI ; CPCI
会议名称8th IEEE International Conference on Software Engineering and Service Science, ICSESS 2017
会议日期2017-11-24
会议地点Beijing, China
会议赞助商IEEE Beijing Section; The Institute of Electrical and Electronics Engineers
关键词Uneven Illumination Background Fitting Mask
摘要

Traditional correction methods can not be used to correct effectively the solar images with uneven illumination, such as the bilinear interpolation method. We adopt an improved algorithm that combine the background fitting method and the mask method. The algorithm consists of the following main steps: segmenting the image, selecting the sampling points, interpolating the sampling points, calculating the mask, correcting the image. By comparing four evaluation indicators of the corrected image, including the information entropy of the image, the mean brightness, the mean variance and the peak signal-to-noise ratio (PSNR), this improved algorithm is proved to be effectively in the solar images with uneven illumination.

资助项目National Natural Science Foundation of China[11303011] ; National Natural Science Foundation of China[11463003] ; National Natural Science Foundation of China[11573012] ; National Natural Science Foundation of China[U1531132] Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences[KLSA201604]
项目资助者National Natural Science Foundation of China ; Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences
语种英语
学科领域太阳与太阳系
学科门类理学 ; 理学::天文学
文章类型Proceedings Paper
出版者IEEE
出版地345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN号978-1-5386-0497-7
ISSN号2327-0594
URL查看原文
WOS记录号WOS:000434977800053
WOS研究方向Computer Science ; Engineering
WOS类目Computer Science, Software Engineering ; Engineering, Electrical & Electronic
EI入藏号20182105215620
EI主题词Image Enhancement
EI分类号714.2 Semiconductor Devices And Integrated Circuits - 716.1 Information Theory And Signal Processing - 723.1 Computer Programming - 921.6 Numerical Methods
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12202
专题抚仙湖太阳观测站
通讯作者Zhang, Xiaoli
作者单位1.Yunnan Key Lab. of Computer Technology Application/Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, China
2.Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Fu, Xiaona,Ji KF,Yang, Yunfei,et al. A method for correcting illumination unevenness of solar image[C]//Wenzheng, L; Babu, MSP; Xiaohui, L. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2018:233-236.
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