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Face Recognition Method Based on GDLPP
Author(s): ZHU Lei, MA Li, LI Li-hua
Pages: 108-
112
Year: 2008
Issue:
6
Journal: OPTO-ELECTRONIC ENGINEERING
Keyword: Gabor小波; 保局投影; 人脸识别; 特征提取;
Abstract: 针对人脸识别中的特征提取问题,本文提出了一种结合Gabor小波特征和判别保局投影的人脸识别算法-GDLPP.该算法首先对人脸图像进行多分辨率的Gabor小波变换,提取样本的高阶统计信息;然后更改保局投影(LPP)的目标函数,增加样本类间散布约束,从而提取更具判别性的特征.本文采用最小近邻分类器估算识别率.在USPS数据库、Yale人脸库以及AR人脸库的测试结果表明,在姿态、光照、表情、训练样本数目变化的情况下,GDLPP都具有较好的识别率.
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