基于自适应方向滤波器的指纹图像增强  

Fingerprint Image Enhancement Based on Auto-adapted Directional Filter

作　　者：卞维新[1] 徐德琴[1] 

机构地区：[1]安徽师范大学数学计算机科学学院,安徽芜湖241000

出　　处：《微电子学与计算机》2009年第3期185-188,共4页Microelectronics & Computer

摘　　要：指纹图像增强在自动指纹识别系统中有着非常重要的地位,是指纹识别系统研究的重点之一.根据现有方向滤波器的特点和使用,采用一种基于指纹方向图的具有大小自适应性的方向滤波器对指纹进行滤波增强,较好地解决了方向滤波器滤波时的速度和实现优化问题.Fingerprint image enhancement in the automated fingerprint identification system has a very important position,it is one of the focuses of research in fingerprint identification system.Based on the characteristics and uses of the current directional filter,the solution based on the fingerprint directional map with the size auto-adapted directional filter is proposed in the paper,it solve the speed and the realization optimization question of directional filter better.

关 键 词：指纹图像增强 方向滤波器 方向图 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]