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A Novel Fingerprint Indexing Approach Focusing on Minutia Location and direction

机译:一种关注细节点位置和方向的新颖指纹索引方法

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Biometrics identification systems containing a largescale database have been gaining increasing attention. In order to speed up searching in a large-scale fingerprint database, fingerprint indexing algorithm has been studied and introduced into biometrics identification system. One critical component of a fingerprint indexing algorithm is the feature extraction method. Majority of researchers developed the features by combining minutia with other information, such as ridge, singularities, orientation filed, etc. Instead, this paper will focus on only using minutia location and direction to extract features. The performance of proposed fingerprint indexing approach was evaluated on several public databases by being compared to the start-of-the- art fingerprint indexing method - minutia cylinder-code (MCC) - indexing as a benchmark. The experimental results show that the proposed approach gives equivalent performance or even outperforms MCC indexing method on the tested databases.
机译:包含大型数据库的生物识别系统已经越来越受到关注。为了加快在大规模指纹数据库中的搜索,已经研究了指纹索引算法并将其引入生物识别系统中。特征提取方法是指纹索引算法的一个关键组成部分。大多数研究人员通过将细节部分与其他信息(例如山脊,奇异性,方向场等)组合来开发这些特征。相反,本文将仅关注使用细节部分的位置和方向来提取特​​征。通过与最先进的指纹索引方法-Minutia柱码(MCC)-索引进行比较,在几个公共数据库上评估了拟议的指纹索引方法的性能。实验结果表明,该方法在被测数据库上具有同等的性能甚至优于MCC索引方法。

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