计算机科学 ›› 2014, Vol. 41 ›› Issue (2): 87-90.
王仕民,叶继华,王明文,程柏良
WANG Shi-min,YE Ji-hua,WANG Ming-wen and CHENG Bai-liang
摘要: 为了更好地获取人脸的纹理特征和解决人脸多频带的权值问题,提出了双树复小波多频带类内类间不确定度特征融合的人脸识别算法。首先使用了人脸双树复小波多频带特征构建人脸的纹理特征,引入了双树复小波多频带类内类间的不确定度计算多频带特征权值,同时采用了二维主成份分析方法对人脸多频带特征进行重构线性子空间,人脸子空间加权融合得到的最终特征 能够保证投影后样本在新的空间中有最小的类内距离和最大的类间距离。使用ORL人脸图像库进行了实验与分析,结果表明所提出的方法比经典的 二维主成份分析、传统小波、Gabor小波和双树复小波方法取得了更好的识别效果。
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