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A method for correcting illumination unevenness of solar image
Fu, XN1; Ji KF(季凯帆)1,2; Yang, Yunfei1,3; Duan, Wenliang1; Deng, Hui1; Liang, Bo1
2018-04-19
会议主办者IEEE Beijing Section; The Institute of Electrical and Electronics Engineers ; National Natural Science Foundation of China(11303011,11463003,11573012,U1531132) ; Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences(KLSA201604) ; IEEE Beijing Section; The Institute of Electrical and Electronics Engineers ; National Natural Science Foundation of China(11303011,11463003,11573012,U1531132) ; Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences(KLSA201604)
会议名称8th IEEE International Conference on Software Engineering and Service Science, ICSESS 2017
会议录名称Proceedings of the IEEE International Conference on Software Engineering and Service Sciences, ICSESS- ICSESS 2017 - Proceedings of 2017 IEEE 8th International Conference on Software Engineering and Service Science
卷号2017-November
页码233-236
会议日期2017-11-24
会议地点Beijing, China
产权排序第2完成单位
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.
关键词Uneven Illumination Background Fitting Mask
学科领域太阳与太阳系
会议主办者IEEE Beijing Section; The Institute of Electrical and Electronics Engineers ; National Natural Science Foundation of China(11303011,11463003,11573012,U1531132) ; Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences(KLSA201604) ; IEEE Beijing Section; The Institute of Electrical and Electronics Engineers ; National Natural Science Foundation of China(11303011,11463003,11573012,U1531132) ; Open Research Program of the Key Laboratory of Solar Activity of the Chinese Academy of Sciences(KLSA201604)
DOI10.1109/ICSESS.2017.8342903
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ISBN号978-1-5386-4570-3
收录类别EI ; CPCI
ISSN号2327-0586
文章类型Conference article (CA)
语种英语
WOS记录号WOS:000434977800052
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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
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
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GB/T 7714
Fu, XN,Ji KF,Yang, Yunfei,et al. A method for correcting illumination unevenness of solar image[C],2018:233-236.
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