Experimental results show that the fast algorithms reduce the time cost of fingerprint pre-processing and feature matching.

实验结果表明，本文所提出的快速算法能够缩短指纹特征点匹配的时间。

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Binary and thinning is more important in fingerprint image pre-processing, this paper discussed the pros and cons of various thinning algorithms and through coding implemented these algorithms.

二值化和细化是指纹图像预处理阶段比较重要的环节，本文讨论了多种细化算法的优劣，并通过编码实现了这些算法。

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