Fast and Effective Algorithm of Iris Localization Based on Hough Transform

Abstract:

The purpose of the paper is to research a fast and effective algorithm of iris localization based on Hough transform, for improving the quality of iris localization. The methods of practice include as follows. Firstly, the pupil center is estimated by using of a metric. Secondly, the binary edge image is transformed into the polar coordinates. After the rules of horizontal edge selection are used to select horizontal edge, the edge-selected image is transformed into the Cartesian coordinates. Finally, the Hough transform and the coupling relationship of the boundaries are used to determine the parameters of boundaries, and the biggest boundary parameter is selected for the estimation of the iris boundary parameter. Experiments indicate that the proposed algorithm is effective and available.

• Periodical: Applied Mechanics and Materials (Volumes 519-520)
• Pages: 788-793
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.519-520.788
• Online since: February 2014
• Authors: Bao Qiang Wang, Lin Zhang*
• Keywords: Coupling Relationship, Edge Selection, Hough Transform (HT), Iris Localization

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