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Automatic processing method for astronomical CCD images
Li BH(李彬华)1,2; Yang L(杨磊)1; Mao W(冒蔚)1
会议录名称PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) - ASTRONOMICAL DATA ANALYSIS II
2002
卷号4847
页码305-312
DOI10.1117/12.460391
会议录编者/会议主办者Starck, JL; Murtagh, FD
产权排序第1完成单位
收录类别EI ; CPCI
会议名称Conference on Astronomical Data Analysis II
会议日期2002-08-27
会议地点WAIKOLOA, HI, United states
会议赞助商SPIE; Int Commiss Opt; Amer Astron Soc; European SO Observ; Int Astron Union
关键词Ccd Image Processing Astrometry
摘要

Since several hundreds of CCD images are obtained with the CCD camera in the Lower Latitude Meridian Circle (LIMC) every observational night, it is essential to adopt an automatic processing method to find the initial position of each object in these images, to center the object detected and to calculate its magnitude. In this paper several existing automatic search algorithms searching for objects in astronomical CCD images are reviewed. Our automatic searching algorithm is described, which include 5 steps: background calculating, filtering, object detecting and identifying, and defect eliminating. Then several existing two-dimensional centering algorithms are also reviewed, and our modified two-dimensional moment algorithm and an empirical formula for the centering threshold are presented. An algorithm for determining the magnitudes of objects is also presented in the paper. All these algorithms are programmed with VC++ programming language. In the last our method is tested with CCD images from the 1m RCC telescope in Yunnan Observatory, and some primary results are also given.

项目资助者N/A
语种英语
学科领域天文学 ; 天文学其他学科 ; 计算机科学技术
学科门类理学 ; 理学::天文学 ; 工学 ; 工学::计算机科学与技术(可授工学、理学学位)
文章类型Proceedings Paper
出版者SPIE-INT SOC OPTICAL ENGINEERING
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号0-8194-4626-2
ISSN号0277-786X
URL查看原文
归档日期2003-10-27
WOS记录号WOS:000180673000029
WOS研究方向Astronomy & Astrophysics ; Computer Science ; Optics ; Imaging Science & Photographic Technology ; Spectroscopy
WOS类目Astronomy & Astrophysics ; Computer Science, Interdisciplinary Applications ; Optics ; Imaging Science & Photographic Technology ; Spectroscopy
EI入藏号2003217474361
EI主题词Astronomy
EI分类号657.2extraterrestrial Physics And Stellar Phenomena - 714.2semiconductor Devices And Integrated Circuits - 723.2data Processing And Image Processing
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6739
专题天体测量技术及应用研究组
作者单位1.Yunnan Observatory, Chinese Academy of Sciences, Kunming, China
2.Kunming Univ. of Sci. and Technology, Kunming, China
第一作者单位中国科学院云南天文台
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Li BH,Yang L,Mao W. Automatic processing method for astronomical CCD images[C]//Starck, JL; Murtagh, FD. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2002:305-312.
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