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An Application of Random and Hammersley Sampling Methods to Iris Recognition

  • Luis E. Garza Castañón
  • Saúl Montes de Oca
  • Rubén Morales-Menéndez
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4031)

Abstract

We present a new approach for iris recognition based on a sampling scheme. Iris recognition is a method to identify persons, based on the analysis of the eye iris. 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. The main contribution in this work is in the step of characterization of iris features by using sampling methods and accumulated histograms. These histograms are built from data coming from sampled subimages of iris. In the comparison and matching step, a comparison is made between accumulated histograms of couples of iris samples, and a decision of accept/reject is taken based on samples differences and on a threshold calculated experimentally. We tested two sampling methods: random and Hammersley, and conduct experiments with UBIRIS database. Under certain conditions we found a rate of successful identifications in the order of 100 %.

Keywords

Iris Image Histogram Equalization Texture Synthesis Iris Feature Iris Recognition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Luis E. Garza Castañón
    • 1
  • Saúl Montes de Oca
    • 2
  • Rubén Morales-Menéndez
    • 1
  1. 1.Department of Mechatronics and Automation
  2. 2.Automation Graduate Program StudentMonterreyMéxico

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