PMO OpenIR  > 空间目标与碎片观测研究基地
Using Operators of Morphological Mathematic for Processing Smeared Image of Camera without Shutter
Sun Rongyu ; Zhao Changyin ; Ping Yiding ; Xiong Jianning ; Zhang Chen
2012
Source PublicationActa Astronomica Sinica
ISSN0001-5245
Volume53Issue:1Pages:80-91
AbstractIn observations of space objects,the shutter of camera is often removed and hence the smear noise is ineluctable.Smear noise brings in difficulties on target detection and location calculation,so it must be handled properly.Based on the differences of geometry between stars and smear noise,two operators(TopHat and Spread TopHat) of morphological mathematic are presented to resolve this problem.Theyre sufficiently flexible to be applied.Tests carried out indicate that smear noise can be removed effectively,and detection rate of objects and stars is improved distinctly.Through the compare of position accuracy of stars and objects,its demonstrated that both two operators work with a high degree of location precision,and Spread TopHat has a better performance when dealing with stars.At last,the efficiency of methods is proved.
Subject AreaAstronomy & Astrophysics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7995
Collection空间目标与碎片观测研究基地
Recommended Citation
GB/T 7714
Sun Rongyu,Zhao Changyin,Ping Yiding,et al. Using Operators of Morphological Mathematic for Processing Smeared Image of Camera without Shutter[J]. Acta Astronomica Sinica,2012,53(1):80-91.
APA Sun Rongyu,Zhao Changyin,Ping Yiding,Xiong Jianning,&Zhang Chen.(2012).Using Operators of Morphological Mathematic for Processing Smeared Image of Camera without Shutter.Acta Astronomica Sinica,53(1),80-91.
MLA Sun Rongyu,et al."Using Operators of Morphological Mathematic for Processing Smeared Image of Camera without Shutter".Acta Astronomica Sinica 53.1(2012):80-91.
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