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基于分块统计量的Gabor特征描述方法及人脸识别*

, PP. 585-590

Keywords: 人脸识别,Gabor小波,分块统计量,广义鉴别分析

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Abstract:

Gabor小波是人脸特征描述中的一个重要工具.为减少由直接对Gabor特征进行下采样造成的有用信息丢失,本文提出一种基于分块统计量的Gabor特征描述方法,增强人脸图像的Gabor特征描述效率.在此基础上,探讨基于广义鉴别分析的二次特征提取方法.实验表明,Gabor特征描述和广义鉴别分析两种方法结合后所产生的识别性能优于其中每个方法单独使用的识别性能,且与Eigenfaces、Fisherfaces等流行方法相比具有较大优势.

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