本文在介绍虹膜识别系统基本原理的基础上，比较和分析了现有的较有影响的灰度及彩色虹膜定位算法及其缺点和不足，并提出改进方案。-In this paper, the basic principle of introducing the iris recognition system, comparison and analysis of the more influential grayColor iris localization algorithm and its hortcomings and

基于眼睛图像的集合特征，提出了一种基于最长弦的瞳孔定位算法，算法与传统瞳孔定位算法相比，在准确度和速度方面具有优势-Based on the eye image collection features, this paper proposes a pupil location algorithm based on the longest string, algorithm is compared with the traditional pupil localization algorithm,

Localization of inner and outer boundary of iris-Localization of inner and outer boundary of iris,

This paper presents the segmentation algorithm used for localization of iris for the development of robust iris recognition algorithms for biometric process. Iris localization plays a vital importance in iris identification. The method determ