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基于ULBP特征子空间的2DLDA人脸识别方法*

, PP. 894-899

Keywords: 人脸识别,特征子空间,二维线性鉴别分析(2DLDA),均匀模式的局部二值模式(ULBP)

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Abstract:

将图像层次化分割并提取各个图像子块的均匀模式的局部二值模式(ULBP)直方图特征,在考虑到全局及局部特征的同时,将处理空间从灰度空间投影到ULBP特征子空间,有效消除行向量之间的相关性,从而使应用行二维线性鉴别分析处理得到的鉴别投影矩阵性能更优.在ORL、YALE及FERET人脸库上与基于二维线性鉴别分析的方法及基于多级局部二值模式的方法对比,结果显示文中方法维数更低,识别率更高,从而验证文中方法的有效性.

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