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The Embodiment of the Real-Time Face Recognition System Using PCA-based LDA Mixture Algorithm  

장혜경 (동아대학교 전자공학과)
오선문 (동아대학교 전자공학)
강대성 (동아대학교 전자공학과)
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Abstract
In this paper, we propose a new PCA-based LDA Mixture Algorithm(PLMA) for real-time face recognition system. This system greatly consists of the two parts: 1) face extraction part; 2) face recognition part. In the face extraction part we applied subtraction image, color filtering, eyes and mouth region detection, and normalization method, and in the face recognition part we used the method mixing PCA and LDA in extracted face candidate region images. The existing recognition system using only PCA showed low recognition rates, and it is hard in the recognition system using only LDA to apply LDA to the input images as it is when the number of image pixels ire small as compared with the training set. To overcome these shortcomings, we reduced dimension as we apply PCA to the normalized images, and apply LDA to the compressed images, therefore it is possible for us to do real-time recognition, and we are also capable of improving recognition rates. We have experimented using self-organized DAUface database to evaluate the performance of the proposed system. The experimental results show that the proposed method outperform PCA, LDA and ICA method within the framework of recognition accuracy.
Keywords
Face recognition; PCA(Principal Component Analysis); LDA(Linear Discriminants Analysis); CA(Independent Component Analysis);
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Times Cited By KSCI : 1  (Citation Analysis)
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