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指纹图像预处理算法

A Pre-processing Algorithm for Fingerprint Image
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摘要 介绍并实现了一套完整的指纹图像预处理算法,包括指纹图像有效区域提取、方向图计算、方向滤波、二值化及后处理、细化等算法。实验结果表明该算法能有效地增强指纹图像,且具有较快的速度。 A full algorithm is proposed for pre - processing of fingerprint image, including of the useful region estimation,orientation image estimation, binarization and thinning. Experiments show that the algorithm can enhance fingerprint image effectively and fast.
出处 《微机发展》 2005年第8期105-107,共3页 Microcomputer Development
关键词 指纹图像 方向滤波 二值化 细化 fingerprint image directional filtering binarization thinning
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