Precise Localization of Iris outer boundary based on the delineation ofregion of interest

The prerequisite of a successful iris recognition system is the fast and accurate iris localization. Delineation of the iris outer boundary is more complex than delineation of iris inner boundary, so a precise localization method of iris outer boundary based on the delineation of region of interest was presented in this paper. The result shows that this method could detect the iris outer boundary fast and precisely compared to the traditional methods.