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模糊非相关判别转换及其应用

DOI: 10.11834/jig.20090919

Keywords: 线性判别分析,非相关判别转换,模糊非相关判别转换

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Abstract:

线性判别分析是一种特征提取和维数缩减的方法,广泛应用于人脸识别,语音识别和手写字母识别等领域。但是许多线性判别分析都是“硬”线性判别分析,每个数据点都严格地属于这一类或那一类。在非相关判别转换(UDT)基础上,提出了模糊非相关判别转换(FUDT)。FUDT是利用模糊集理论的有监督学习方法,其判别向量满足广义瑞利商方程,同时也满足样本到模糊非相关优化判别向量上的投影是非相关的。通过FUDT和UDT对公共数据库MSTAR的实验结果可看出,FUDT在处理SAR图像的特征提取方面优于UDT。

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