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Improved $(2D)^2$ DLDA for Face Recognition  

Cho, Dong-Uk (충북과학대학 정보통신과학과)
Chang, Un-Dong (충북대학교 정보통신공학과)
Kim, Young-Gil (충북대학교 정보통신공학과)
Kim, Kwan-Dong (충북대학교 정보통신공학과)
Ahn, Jae-Hyeong (충북대학교 정보통신공학과)
Kim, Bong-Hyun (한밭대학교 정보통신전문대학원 컴퓨터공학과)
Lee, Se-Hwan (한밭대학교 정보통신전문대학원 컴퓨터공학과)
Abstract
In this paper, a new feature representation technique called Improved 2-directional 2-dimensional direct linear discriminant analysis (Improved $(2D)^2$ DLDA) is proposed. In the case of face recognition, thesmall sample size problem and need for many coefficients are often encountered. In order to solve these problems, the proposed method uses the direct LDA and 2-directional image scatter matrix. Moreover the selection method of feature vector and the method of similarity measure are proposed. The ORL face database is used to evaluate the performance of the proposed method. The experimental results show that the proposed method obtains better recognition rate and requires lesser memory than the direct LDA.
Keywords
Linear Discriminant Analysis; Direct IDA; Face Recognition;
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