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关于自动化指纹识别图像预处理算法的研究

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摘要
在论文中,介绍了一种有效的指纹图像预处理方法,实验结果表明,当指纹标记传感器采集到指纹时,这种算法可以有效地消除由于采集指纹必然在传感器中留下的噪声。同时,它可以有效地提取有效和无效的指纹带,也可以进一步增强脊线和谷线的指纹,以便使该线的指纹清晰,连续,润滑和具有较好的对比度,在同一时间内,如果指纹采集有相当快速的速度,那么指纹图像预处理处理时间可以大大缩短。
关键字:指纹;形象前处理;分割;增强
中国图书类数: tp391.4文件识别码:

Abstract:
 In the paper,a valid method of fingerprint Image pre-processing is introduced. Experiment results show that this kind of algorithm can availably wipe off yawp imported by the incomplete leave fingerprint-marking of sensor surface when fingerprint sensor record fingerprint. Meanwhile, it can extract the effective and uneffective zone of fingerprint effectively, and also further enhance ridge line and vale line of fingerprint so that make the lines of fingerprint clear,continuum,lubricity and has better contrast, at the same time, has quite quick speed, this fingerprint Image pre-processing time can be shorten greatly.

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