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IEICE Transactions on Information and Systems
Vol. E95.D (2012) No. 5 P 1547-1551

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http://doi.org/10.1587/transinf.E95.D.1547

Regular Section

Face image hashing is an emerging method used in biometric verification systems. In this paper, we propose a novel face image hashing method based on a new technique called discriminative projection selection. We apply the Fisher criterion for selecting the rows of a random projection matrix in a user-dependent fashion. Moreover, another contribution of this paper is to employ a bimodal Gaussian mixture model at the quantization step. Our simulation results on three different databases demonstrate that the proposed method has superior performance in comparison to previously proposed random projection based methods.

Copyright © 2012 The Institute of Electronics, Information and Communication Engineers

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