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Face Recognition using LDA Mixture Model  

Kim Hyun-Chul (포항공과대학교 컴퓨터공학과)
Kim Daijin (포항공과대학교 컴퓨터공학과)
Bang Sung-Yang (포항공과대학교 컴퓨터공학과)
Abstract
LDA (Linear Discriminant Analysis) provides the projection that discriminates the data well, and shows a very good performance for face recognition. However, since LDA provides only one transformation matrix over whole data, it is not sufficient to discriminate the complex data consisting of many classes like honan faces. To overcome this weakness, we propose a new face recognition method, called LDA mixture model, that the set of alf classes are partitioned into several clusters and we get a transformation matrix for each cluster. This detailed representation will improve the classification performance greatly. In the simulation of face recognition, LDA mixture model outperforms PCA, LDA, and PCA mixture model in terms of classification performance.
Keywords
LDA; LDA mixture model; PCA; PCA mixture model; face recognition;
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