Combining biometric evidence for person authentication

  • Authors:
  • J. Bigun;J. Fierrez-Aguilar;J. Ortega-Garcia;J. Gonzalez-Rodriguez

  • Affiliations:
  • Halmstad University, Sweden;Universidad Politecnica de Madrid, Spain;Universidad Politecnica de Madrid, Spain;Universidad Politecnica de Madrid, Spain

  • Venue:
  • ASB'03 Proceedings of the 1st international conference on Advanced Studies in Biometrics
  • Year:
  • 2003

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Abstract

Humans are excellent experts in person recognition and yet they do not perform excessively well in recognizing others only based on one modality such as single facial image. Experimental evidence of this fact is reported concluding that even human authentication relies on multimodal signal analysis. The elements of automatic multimodal authentication along with system models are then presented. These include the machine experts as well as machine supervisors. In particular, fingerprint and speech based systems will serve as illustration. A signal adaptive supervisor based on the input biometric signal quality is evaluated. Experimental results on data collected from a mobile telephone prototype application are reported demonstrating the benefits of the reported scheme.