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Feature Characterization in Iris Recognition with Stochastic Autoregressive Models

Luis E. Garza-CastañónSaúl Montes de OcaRubén Morales-Menéndez

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.

http://www.springerlink.com/content/q50477026t261315

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