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IOE OpenIR  > 光电技术研究所被WoS收录文章  > 期刊论文
题名:
Tracking algorithms for low-contrast extended objects
作者: Rao, CH; Jiang, WH; Ling, N; Beckers, JM
刊名: CHINESE ASTRONOMY AND ASTROPHYSICS
出版日期: 2002
卷号: 26, 期号:1, 页码:115-124
关键词: contrast ; extended object ; cross-correlation coefficient ; absolute difference algorithm ; atmospheric coherent length
文章类型: Article
英文摘要: We studied the effectiveness of two algorithms, of cross-correlation coefficient and of absolute difference in the case of extended, low-contrast objects, such as solar granulation and sunspots. Wave-front overall tilt signals, acquired via post-processing of sampled solar granulation and sunspot images, are presented. Furthermore, long-exposure images of solar granulation before and after the tilt elimination are compared as regards rms contrast.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: ADAPTIVE OPTICS SYSTEM ; PERFORMANCE ANALYSIS ; 2.16M TELESCOPE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000174388500013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3493
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Rao, CH,Jiang, WH,Ling, N,et al. Tracking algorithms for low-contrast extended objects[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2002,26(1):115-124.
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