After analyzing the automatic fingerprint recognition based on structural features, we improved it and put forward a step by step structural matching method. The recognition is grouped two step.

分析了基于结构匹配的指纹自动识别方法，并对其作出了改进，提出了一种分阶段的结构匹配识别方法，把识别分为两步进行。

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This paper discusses the AFIS from fingerprint classification, fingerprint core automatic seek and fingerprint minutiae matching.

本文在指纹的分类、指纹的中心定位、指纹的特征匹配三个阶段进行了探讨。

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Automatic fingerprint identification system includes fingerprints collecting, image preprocessing, minutia points extracting and minutia points matching normally.

自动指纹识别一般包括指纹采集、图像预处理、特征提取、特征匹配等。

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