Feature characterization in iris recognition with stochastic autoregressive models

  • Authors:
  • Luis E. Garza Castañón;Saúl Montes de Oca;Rubén Morales-Menéndez

  • Affiliations:
  • Department of Mechatronics and Automation, ITESM Monterrey Campus;Automation Graduate Program Student, ITESM Monterrey Campus, Monterrey, N.L., México;Department of Mechatronics and Automation, ITESM Monterrey Campus

  • Venue:
  • IBERAMIA-SBIA'06 Proceedings of the 2nd international joint conference, and Proceedings of the 10th Ibero-American Conference on AI 18th Brazilian conference on Advances in Artificial Intelligence
  • Year:
  • 2006

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Abstract

Iris recognition is a reliable technique for identification of people. A typical iris recognition system is composed of four phases: image acquisition and preprocessing, iris localization and extraction, iris features characterization, and comparison and matching. We are introducing stoch- astic autoregressive with exogenous inputs models for the features characterization step. Every model is learned from data. In the comparison and matching step, data taken from iris sample are substituted into every model and residuals are generated. A decision is taken based on a threshold calculated experimentally. A successful rate of identifications for UBIRIS and MILES databases shows potential applications.