An online learning algorithm for biometric scores fusion

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

In biometrics fusion, the match score level fusion has been frequently adopted because it contains the richest information regarding the input pattern. However, in practice, the size of training match scores increases almost exponentially with respect to the number of users. Under this situation, the cost of learning computation and memory usage can be very high. In this paper, we propose an online learning algorithm to resolve the computational problem. While the existing recursive least squares learning approach contains a mismatch between its objective function and the desired classification performance, the proposed online learning directly optimizes the classification performance with respect to fusion classifier design. Since the proposed method includes a weight that varies according to the class type of newly arrived data, an online learning formulation is non-trivial. Our empirical results on several public domain databases show promising potential in terms of verification accuracy and computational efficiency.

Original languageEnglish
Title of host publicationIEEE 4th International Conference on Biometrics
Subtitle of host publicationTheory, Applications and Systems, BTAS 2010
DOIs
Publication statusPublished - 2010
Event4th IEEE International Conference on Biometrics: Theory, Applications and Systems, BTAS 2010 - Washington, DC, United States
Duration: 2010 Sep 272010 Sep 29

Publication series

NameIEEE 4th International Conference on Biometrics: Theory, Applications and Systems, BTAS 2010

Other

Other4th IEEE International Conference on Biometrics: Theory, Applications and Systems, BTAS 2010
CountryUnited States
CityWashington, DC
Period10/9/2710/9/29

All Science Journal Classification (ASJC) codes

  • Computational Theory and Mathematics
  • Theoretical Computer Science

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