Multibiometric system using level set method and particle swarm optimization

  • Authors:
  • Kaushik Roy;Mohamed S. Kamel

  • Affiliations:
  • Centre for Pattern Analysis and Machine Intelligence, University of Waterloo, ON, Canada;Centre for Pattern Analysis and Machine Intelligence, University of Waterloo, ON, Canada

  • Venue:
  • ICIAR'12 Proceedings of the 9th international conference on Image Analysis and Recognition - Volume Part II
  • Year:
  • 2012

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Abstract

Multibiometric systems alleviate some of the drawbacks possessed by the single modal biometric trait and provide better recognition accuracy. This paper presents a multimodal system that integrates the iris, face, and gait features based on the fusion at feature level. The novelty of this research effort is that a feature subset selection scheme based on Particle Swarm Optimization (PSO) is proposed to select the optimal subset of features from the fused feature vector. In addition, we apply a Variational Level Set (VLS)-based curve evolution scheme to detect the silhouette shape structure. Experimental results indicate that the proposed approach increases biometric recognition accuracies compared to that produced by single modal biometrics.