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Star Identification Based on Multilayer Voting Algorithm for Star Sensors
Liu, Meiying; Wei, Xin; Wen, Desheng; Wang, Hu
作者部门空间光学技术研究室
2021-05
发表期刊SENSORS
ISSN1424-8220
卷号21期号:9
产权排序1
摘要

This paper describes the multilayer voting algorithm, a novel autonomous star identification method for spacecraft attitude determination. The proposed algorithm includes two processes: an initial match process and a verification process. In the initial match process, a triangle voting scheme is used to acquire candidates of the detected stars, in which the triangle unit is adopted as the basic voting unit. During the identification process, feature extraction is implemented, and each triangle unit is described by its singular values. Then the singular values are used to search for candidates of the imaged triangle units, which further improve the efficiency and robustness of the algorithm. After the initial match step, a verification method is applied to eliminate incorrect candidates from the initial results and then outputting the final match results of the imaged stars. Experiments show that our algorithm has more robustness to position noise, magnitude noise, and false stars than the other three algorithms, the identification speed of our algorithm is largely faster than the geometric voting algorithm and optimized grid algorithm. However, it takes more memory, and SVD also seems faster.

关键词star identification triangle unit voting singular values feature star sensor
DOI10.3390/s21093084
收录类别SCI
语种英语
WOS记录号WOS:000650757700001
出版者MDPI
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/94811
专题空间光学技术研究室
通讯作者Wei, Xin
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Liu, Meiying,Wei, Xin,Wen, Desheng,et al. Star Identification Based on Multilayer Voting Algorithm for Star Sensors[J]. SENSORS,2021,21(9).
APA Liu, Meiying,Wei, Xin,Wen, Desheng,&Wang, Hu.(2021).Star Identification Based on Multilayer Voting Algorithm for Star Sensors.SENSORS,21(9).
MLA Liu, Meiying,et al."Star Identification Based on Multilayer Voting Algorithm for Star Sensors".SENSORS 21.9(2021).
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