一种利用改进径向特征的星图识别方法

doi:10.16182/j.issn1004731x.joss.19-0098

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (4): 601-607.doi: 10.16182/j.issn1004731x.joss.19-0098

• 专栏：控制、决策与仿真 • 下一篇

一种利用改进径向特征的星图识别方法

赵军阳¹, 张志利¹, 刘殿剑², 周召发¹, 常振军¹

1. 火箭军工程大学,陕西西安 710025;
2. 中国人民解放军96833部队,湖南怀化 418000

收稿日期:2019-03-08 修回日期:2019-03-20 出版日期:2019-04-08 发布日期:2019-11-20
作者简介:赵军阳(1981-),男,浙江东阳,博士,副教授,硕导,研究方向为定位定向与基准传递技术; 张志利(1966-),男,河南濮阳,博士,教授,博导,研究方向为兵器发射系统仿真与自动检测。
基金资助:
国家自然科学基金(41174162)

Novel Star Map Identification Algorithm Using Improved Radial Features

Zhao Junyang¹, Zhang Zhili¹, Liu Dianjian², Zhou Zhaofa¹, Chang Zhenjun¹

1. Rocket Force University of Engineering, Xi'an 710025, China;
2. Army 96833 of PLA, Huaihua 418000, China

Received:2019-03-08 Revised:2019-03-20 Online:2019-04-08 Published:2019-11-20

摘要/Abstract

摘要： 为进一步提高恒星识别效率和准确性,本文结合环向特征对径向特征进行改进,提出了一种新的径向特征星图识别方法,按环向象限对星图数据进行处理,建立径向特征数据库;对待匹配星图中的观测星与特征星库中的参考星按环向象限顺序进行径向特征匹配,星库中与待识别星验证匹配计数值最大的恒星即为最终识别结果。实验数据分析表明,该方法噪声条件下的识别准确率高于传统栅格识别方法,且仅需通过部分象限的匹配即可完成识别过程,单颗恒星平均识别效率提高约30%。

关键词: 星图识别, 径向特征, 环向特征, 数字天顶仪

Abstract: In order to improve the star map identification efficiency and insure the identification veracity, the radial feature is ameliorated by cyclic feature, and a new star map identification method based on the ameliorative radial feature matching is proposed. The star map data are processed according to quadrant order to establish the database of new radial feature. The radial feature matching between the observation stars in the matching star map and the reference star in the feature database is carried out in the order of circumferential quadrant. The star with the largest count in the star database is the final identification result. Experimental data analysis indicates that the identification accuracy of the proposed method is higher than that of traditional raster identification method under noise condition. This method can complete the recognition process through partial quadrant matching. The single star recognition efficiency improves about 30% compared with original radial feature recognition method.

Key words: star map identification, radial feature, cyclic feature, digital zenith camera

中图分类号:

V448.22

赵军阳, 张志利, 刘殿剑, 周召发, 常振军. 一种利用改进径向特征的星图识别方法[J]. 系统仿真学报, 2019, 31(4): 601-607.

Zhao Junyang, Zhang Zhili, Liu Dianjian, Zhou Zhaofa, Chang Zhenjun. Novel Star Map Identification Algorithm Using Improved Radial Features[J]. Journal of System Simulation, 2019, 31(4): 601-607.

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一种利用改进径向特征的星图识别方法

Novel Star Map Identification Algorithm Using Improved Radial Features

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