Publications:Discriminative multimodal biometric authentication based on quality measures


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Title Discriminative multimodal biometric authentication based on quality measures
Author Julian Fierrez-Aguilar and Javier Ortega-Garcia and Joaquin Gonzalez-Rodriguez and Josef Bigun
Year 2005
PublicationType Journal Paper
Journal Pattern Recognition
Diva url
Abstract A novel score-level fusion strategy based on quality measures for multimodal biometric authentication is presented. In the proposed method, the fusion function is adapted every time an authentication claim is performed based on the estimated quality of the sensed biometric signals at this time. Experimental results combining written signatures and quality-labelled fingerprints are reported. The proposed scheme is shown to outperform significantly the fusion approach without considering quality signals. In particular, a relative improvement of approximately 20% is obtained on the publicly available MCYT bimodal database.