Recognition using robust bit extraction

David C.L. Ngo; A. Goh; Andrew B.J. Teoh

doi:10.1117/1.2135321

1 October 2005 Recognition using robust bit extraction

David C.L. Ngo, A. Goh, Andrew B.J. Teoh

Author Affiliations +

Journal of Electronic Imaging, Vol. 14, Issue 4, 043016 (October 2005). https://doi.org/10.1117/1.2135321

Abstract

We present a novel technique for extracting bits from the perceptually significant components of an image transformation, thus making the recognition of objects under nonideal conditions robust. Specifically, we describe five popular face recognition transform methods [including principal component analysis (PCA), linear discriminant analysis (LDA), wavelet transform, wavelet transform with PCA, and wavelet transform with Fourier-Mellin transform] with robust bit extraction enhancement for various numbers of bits extracted. The robustness guarantees that all similar face images will produce almost the same bits. This property is useful for generating cryptographic keys. The theoretical results are evaluated on the Olivetti Research Laboratory (ORL) face database, showing that the extended methods significantly outperform the corresponding standard methods when the number of extracted bits reaches 100.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

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David C.L. Ngo, A. Goh, and Andrew B.J. Teoh "Recognition using robust bit extraction," Journal of Electronic Imaging 14(4), 043016 (1 October 2005). https://doi.org/10.1117/1.2135321

Published: 1 October 2005

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