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融合多通道信息的二维人脸识别

Keywords: 人脸识别,Haar小波变换,局部二值模式(LBP),多通道信息融合

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Abstract:

为充分提取人脸图像信息,进一步提高人脸识别效率,提出了一种融合图像多通道信息的二维人脸识别方法.该方法利用Haar小波变换将人脸图像变换到频率域,并获得图像4个频率域的信息;对每个频率域的图像,通过局部二值模式(LBP)进行统计编码,并提出基于HaarLBP直方图序列的人脸图像表征方法;提出2种直方图序列的匹配算法,并通过分析各个频域图像信息对识别的贡献率,进一步融合4通道图像信息进行人脸识别.在ORL和Yale人脸库上的实验结果证明,提出的识别方法对于人脸姿态、表情和光照变化有一定的鲁棒性.

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