YNAO OpenIR  > 选址与日冕观测组
Alternative TitleA New Coronal Loop Identified Technology Based on the Phase Congruency Detective Method
李洪波1,2; 赵明宇1; 刘煜1
Source Publication天文学报(Acta Astronomica Sinica)
Contribution Rank第1完成单位
Indexed ByCSCD ; 核心
Keyword太阳:日冕 技术:图像处理 方法:观测


Other Abstract

We test a phase congruency method for automatically extracting coronal loops from the coronal observation data, and propose a new coronal loop detective method. On account of smooth changes of the direction along coronal loops, the possible direction of loops is restricted in a small range for improving the detective result. Beyond that, inspired by the structural characteristics of coronal loops, we firstly suggest that both the change of result directions and the flux of result points can be used to terminate the loop detection. Finally, several coronal images are detected by our loop extracting method, and the result indicates that the congruency enhanced image is exactly suitable for coronal detection and extraction, and our new loop detective method can also extract most of loops in the test images completely and accurately. Besides that, our research also suggests that the characteristics of coronal loop should be a significant reference for improving other loop detective methods.

Funding Project国家自然科学基金项目[11533009]
Funding Organization国家自然科学基金项目[11533009]
Subject Area天文学 ; 太阳与太阳系
MOST Discipline Catalogue理学 ; 理学::天文学
Archive Date2016-12-14
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李洪波,赵明宇,刘煜. 基于相位一致性的冕环识别方法[J]. 天文学报(Acta Astronomica Sinica),2016,57(4):402-421.
APA 李洪波,赵明宇,&刘煜.(2016).基于相位一致性的冕环识别方法.天文学报(Acta Astronomica Sinica),57(4),402-421.
MLA 李洪波,et al."基于相位一致性的冕环识别方法".天文学报(Acta Astronomica Sinica) 57.4(2016):402-421.
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