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Computerized system for fingerprint identification for biometric security

机译:用于生物识别安全的指纹识别计算机化系统

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摘要

AFTS (automated fingerprint identification system) is used for identification of fingerprint images. AFIS is a type of biometric system which uses digital imaging methodology to capture, analyze and store fingerprint data. This fingerprint data can be compared with the database to determine the identity of individual. The fingerprint images of poor quality need to be enhanced before the feature extraction and feature matching. In this paper, we present a novel automated approach for fingerprint matching, which involve three steps. In the first step, we enhance image to remove noise. In the second step, we extract required feature that is necessary for matching and remove unwanted feature. In the third step, we do matching by using adjacent feature vector technique. The advantage of adjacent feature vector technique is that, it shows a good performance to differentiate matching and non- matching minutiae pairs. AFV (Adjacent Feature Vector) also reduce the computational cost and matching error. We have used standard fingerprint image database FVC2004 (Fingerprint Verification Competition). Experimental result shows that our approach is effective and gets high quality matching.
机译:AFTS(自动指纹识别系统)用于识别指纹图像。 AFIS是一种生物识别系统,它使用数字成像方法来捕获,分析和存储指纹数据。可以将该指纹数据与数据库进行比较以确定个人身份。特征提取和特征匹配之前,需要对质量较差的指纹图像进行增强。在本文中,我们提出了一种新颖的指纹匹配自动方法,包括三个步骤。第一步,我们增强图像以消除噪点。在第二步中,我们提取出匹配所需的必需特征并删除不需要的特征。第三步,我们使用相邻特征向量技术进行匹配。相邻特征向量技术的优点在于,它可以很好地区分匹配的和不匹配的细节对。 AFV(相邻特征向量)还可以减少计算成本和匹配误差。我们使用了标准的指纹图像数据库FVC2004(指纹验证竞赛)。实验结果表明,该方法是有效的,并且可以获得高质量的匹配。

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