Biometric templates selection and update using quality measures

Ali J. Abboud; Sabah A. Jassim

doi:10.1117/12.918772

8 May 2012 Biometric templates selection and update using quality measures

Ali J. Abboud, Sabah A. Jassim

Proceedings Volume 8406, Mobile Multimedia/Image Processing, Security, and Applications 2012; 840609 (2012) https://doi.org/10.1117/12.918772
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

To deal with severe variation in recording conditions, most biometric systems acquire multiple biometric samples, at the enrolment stage, for the same person and then extract their individual biometric feature vectors and store them in the gallery in the form of biometric template(s), labelled with the person's identity. The number of samples/templates and the choice of the most appropriate templates influence the performance of the system. The desired biometric template(s) selection technique must aim to control the run time and storage requirements while improving the recognition accuracy of the biometric system. This paper is devoted to elaborating on and discussing a new two stages approach for biometric templates selection and update. This approach uses a quality-based clustering, followed by a special criterion for the selection of an ultimate set of biometric templates from the various clusters. This approach is developed to select adaptively a specific number of templates for each individual. The number of biometric templates depends mainly on the performance of each individual (i.e. gallery size should be optimised to meet the needs of each target individual). These experiments have been conducted on two face image databases and their results will demonstrate the effectiveness of proposed quality-guided approach.

Citation Download Citation

Ali J. Abboud and Sabah A. Jassim "Biometric templates selection and update using quality measures", Proc. SPIE 8406, Mobile Multimedia/Image Processing, Security, and Applications 2012, 840609 (8 May 2012); https://doi.org/10.1117/12.918772

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