基于相位一致性最大响应方向的虹膜识别方法

苑玮琦; 徐露; 林忠华

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基于相位一致性最大响应方向的虹膜识别方法

信息科学 | 更新时间：2020-08-12

- 基于相位一致性最大响应方向的虹膜识别方法
- Iris recognition based on maximal responding orientation of phase congruency
- 光学精密工程 2009年17卷第1期页码：179-184
- 作者机构：
  
  沈阳工业大学视觉检测技术研究所,辽宁沈阳,110178
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.60672078),辽宁省自然科学基金资助项目(No.20042028)()
- DOI：
  中图分类号： TP391.41
- 收稿日期：2008-03-02，
  
  修回日期：2008-05-17，
  
  纸质出版日期：2009
- 稿件说明：
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苑玮琦, 徐露, 林忠华. 基于相位一致性最大响应方向的虹膜识别方法[J]. 光学精密工程, 2009,17(1): 179-184

YUAN Wei-qi, XU Lu, LIN Zhong-hua. Iris recognition based on maximal responding orientation of phase congruency[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 179-184
苑玮琦, 徐露, 林忠华. 基于相位一致性最大响应方向的虹膜识别方法[J]. 光学精密工程, 2009,17(1): 179-184 DOI：

YUAN Wei-qi, XU Lu, LIN Zhong-hua. Iris recognition based on maximal responding orientation of phase congruency[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 179-184 DOI：

摘要

为了进一步提高虹膜识别的准确性

提出了一种基于相位一致性最大响应方向的虹膜识别方法。该方法对人眼图像进行图像预处理

得到归一化的虹膜图像;然后

提取像素对于相位一致性的最大响应方向作为可区分性特征

并将最大响应方向的序号编码为简单易处理的二进制虹膜代码;最后

通过计算两个虹膜代码之间的加权汉明距离衡量二者的差异

并给出识别结果。实验结果表明

该方法的等错率为0.871 5%

正确识别率为99.851 8%。与经典的虹膜识别方法相比

该方法具有更高的识别准确性。

Abstract

In order to improve the accuracy of iris recognition further

an iris recognition method based on the maximal responding orientation of phase congruency is proposed. Firstly

the normalized iris images are obtained by preprocessing eye images. Then

the maximal responding orientation of phase congruency for each pixel is extracted and the numbers of maximal responding orientation is encoded into a simple binary iris code that is easy to be processed. Finally

the difference of two iris codes is measured through weighted Hamming distance and the recognition results are given. The experimental results demonstrate that the proposed method has the equal error rate of 0.8715% and the correct recognition rate of 99.851 8%. Compared with the classical methods

the proposed method has a higher accuracy.

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Keywords

references

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