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《Computer Engineering and Applications》 2012-02
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Recognition of color face images based on quaternion matrices and NSCT transform

LI Bingchun,DENG Yong Network Centre,KaShgar Teachers College,KaShgar,Xinjiang 844000,China Department of Mathematics,KaShgar Teachers College,KaShgar,Xinjiang 844000,China  
In this paper,color face image is represented in quaternion real matrices.The coefficients in different scales and directions are obtained by image decomposition using the nonsubsampled contourlet transform.Singular value vector compressed is extracted as the color face image feature,and then the back propagation neural network is used to training and recognition.The experiment indicates that the recognition rate of the proposed method in this paper is improved and it is an effective color face image recognition method.
【Fund】: 新疆维吾尔自治区教育厅高校科研计划重点科研项目(No.XJEDU2008131)
【CateGory Index】: TP391.41
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