Fusion of PCA and LDA for Face Verification

Title	Fusion of PCA and LDA for Face Verification
Publication Type	Conference Paper
Year of Publication	2002
Authors	Marcialis, GL, Roli, F
Editor	M. Jain, T;JBigun;
Conference Name	Post-ECCV Workshop on Biometric Authentication (BIOMET02)
Volume	2359
Pagination	30-37
Date Published	01/06/2002
Publisher	Springer
Conference Location	Copenhagen (Denmark)
Keywords	bio02, biometrics
Abstract	Although face verification systems have proven to be reliable in ideal environments, they can be very sensitive to real environmental conditions. The system robustness can be increased by the fusion of different face verification algorithms. To the best of our knowledge, no face verification system tried exploiting the fusion of LDA and PCA. In our opinion, the apparent strong correlation of LDA and PCA, especially when frontal views are used and PCA is applied before LDA, discouraged the fusion of such algorithms. In this paper, we show that PCA and LDA can be fused with some simple strategies, and such fusion allows outperforming the best individual verification algorithm based on PCA or LDA.
Citation Key	175

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Fusion of PCA and LDA for Face Verification