Qi Jinqing   

Associate Professor
Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:一种改进的基于FMT和相位相关的指纹识别算法

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Date of Publication:2010-08-06

Volume:Vol.31

Page Number:236-237

Key Words:傅里叶-梅林变换;相位相关;图像镜像

Abstract:本文提出了一种改进的带限相位相关(BLPOC)指纹识别算法。在频域空间,利用傅里叶梅林变换(FMT)抗平移、旋转、缩放的特性,综合运用相位相关函数的峰值及个数进行指纹图像相似度判断。实验结果表明,该算法能有效提高峰值之间的区分度,改进后算法的指纹识别等错误率(EER)为4.2%,相比原始BLPOC算法识别等错误率(7.1%)降低了40.8%。

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