Abstract
This paper presents a novel and interesting combination of uncorrelated linear discriminant analysis and wavelets to extract features for face recognition. The proposed algorithm when compared with conventional Fisherface method and ULDA+PCA method has an improved recognition rate and a decrease of computational load for face images with high resolutions. In the proposed technique, the face images are divided into smaller sub-images by 2-D DWT and the uncorrelated linear discriminant analysis is applied to approximations sub-images. The time-cost of the proposed method is greatly reduced and recognition rates ranging between 95% and 97.5% are obtained on the ORL database. An average error rate of 1.4% is obtained with the experiments on the NUST603 database. In addition, the effect of number of discriminant vectors on the recognition system is systematically discussed.
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Cao, X., Yang, JY. (2006). When Uncorrelated Linear Discriminant Analysis Are Combined with Wavelets. In: Huang, DS., Li, K., Irwin, G.W. (eds) Intelligent Computing in Signal Processing and Pattern Recognition. Lecture Notes in Control and Information Sciences, vol 345. Springer, Berlin, Heidelberg . https://doi.org/10.1007/978-3-540-37258-5_57
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DOI: https://doi.org/10.1007/978-3-540-37258-5_57
Publisher Name: Springer, Berlin, Heidelberg
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