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电子学报  2015 

一种基于可变长起主导作用特征(VLDF)的人脸识别算法

DOI: 10.3969/j.issn.0372-2112.2015.03.020, PP. 544-549

Keywords: 人脸识别,Gabor滤波器,局部二元模式(LBP)算子,可变长起主导作用特征(VLDF),VLDF距离

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Abstract:

为了从Gabor滤波后的图像中提取简单有效、区分力强的人脸特征,提出了一种基于可变长起主导作用特征(VLDF)的人脸识别算法.即首先人脸图像与不同尺度、不同方向的Gabor滤波器进行卷积运算,然后利用局部二元模式(LBP)算子提取滤波输出的纹理特征,并根据纹理特征的统计分布规律,采用数量可变的起主导作用的纹理模式作为人脸的VLDF特征.最后构造了VLDF人脸特征之间距离的计算方法.该算法具有较小的特征向量维数和高的rank-1识别率.在FERET人脸数据库上的仿真结果验证了算法的高效性.

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