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Face recognition using LDA mixture model

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3 Author(s)
Hyun-Chul Kim ; Dept. of Comput. Sci. & Eng., Pohang Univ. of Sci. & Technol., South Korea ; Daijin Kim ; Sung Yang Bang

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 human faces. To overcome this weakness, we propose a new face recognition method, called LDA mixture model, that the set of all 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.

Published in:

Pattern Recognition, 2002. Proceedings. 16th International Conference on  (Volume:2 )

Date of Conference: