A New Data Normalization Function for Multibiometric Contexts: A Case Study

  • Maria De Marsico
  • Daniel Riccio
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5112)

Abstract

It has been not possible yet to identify a physical or behavioural feature able by itself to identify a person in a way satisfying the acceptability and reliability constraints imposed by real applications. As a consequence the present trend is towards multimodal systems. Data normalization problem is crucial when fusing results from different subsystems. We introduce a new normalization function, the mapping function, able to overcome the limitations of commonly used techniques. In this work we also test it on a real hierarchical system obtained by the novel combination schema of the three different biometries face, ear and fingerprint. Experimental results in the final part of our work provide a positive feedback about assertions within the body of the paper.

Keywords

biometrics score normalization multimodal systems 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Maria De Marsico
    • 1
  • Daniel Riccio
    • 2
  1. 1.Dipartimento di InformaticaUniversità degli Studi di Roma “La Sapienza” 
  2. 2.Dipartimento di Matematica e InformaticaUniversità di SalernoFisciano (SA) 

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