一种基于SOFM聚类的星图识别算法

黄勇; 陈琳

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一种基于SOFM聚类的星图识别算法

空间光学 | 更新时间：2020-08-12

- 一种基于SOFM聚类的星图识别算法
- Star pattern recognition algorithm based SOFM clustering function
- 光学精密工程 2004年12卷第3期页码：346-351
- 作者机构：
  
  华中光电技术研究所,湖北武汉,430073
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： V448.2
- 收稿日期：2003-04-22，
  
  修回日期：2003-11-18，
  
  网络出版日期：2004-06-15，
  
  纸质出版日期：2004-06-15
- 稿件说明：
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黄勇, 陈琳. 一种基于SOFM聚类的星图识别算法[J]. 光学精密工程, 2004,(3): 346-351

HUANG Yong, CHEN Lin. Star pattern recognition algorithm based SOFM clustering function[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 346-351
黄勇, 陈琳. 一种基于SOFM聚类的星图识别算法[J]. 光学精密工程, 2004,(3): 346-351 DOI：

HUANG Yong, CHEN Lin. Star pattern recognition algorithm based SOFM clustering function[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 346-351 DOI：

摘要

介绍了一种利用自组织特征映射(SOFM)网络的聚类功能进行全天星图识别的方法.按一定规则对全天星表的星信息进行了筛选并组建了导航星星库.从星库中提取星对角距信息和星模式信息来分别训练此星图识别系统中的两层SOFM网络

使网络具备了分类识别功能.以此系统进行的仿真识别结果表明

SOFM网络可以有效地反映星图中的复杂信息

抗噪性能明显优于传统星图识别算法;分类效果较好

能区分各种星模式;识别速度很快

约为1.5ms

可以在星图识别中发挥很好的作用.

Abstract

A method that applies the clustering function of SOFM(Self-Organizing Feature Maps)network is proposed for autonomous star pattern recognition. The guide star catalog is built with the star information selected from all-sky star catalog on some guidelines. Angle distances and star model information abstracted from guide star catalog are used to train the two SOFM networks of the star pattern recognition system so that the networks have the classification and identification functions. It is concluded from the results of simulated identification that the SOFM network can reflect the complicated information among star pattern better and it appears more robust with respect to noise than conventional methods. The effect of classification is so good that it can differentiate all kinds of star models clearly and the speed of identification is so fast that it can recognize a star pattern within 1.5 ms. Therefore

it can be well applied for star pattern recognition.

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references

SCHOLL M S. Star field identification for autonomous interplanetary navigation[J]. SPIE, 1992, 1971:304-310.

CURTIS P,KENNETH K D. A grid algorithm for autonomous star identification[J]. IEEE Transactions on Aerospace and Electronic Systems, 1997, 33(1):202-213.

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陈元枝,郝胜国,郝志航.连通聚类星识别方法[J].光学精密工程,2000,8(3):217-220.CHEN Y ZH,HAO SH G, HAO ZH H. Optics and precision engineering[J]. Optics and Precision Engineering,2000,8(3):217-220.

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