一种改进的指纹快速细化算法  

An Improved Quick Thinning Algorithm for Fingerprint Image

作　　者：张显全[1] 唐莹[1] 郭明明[1] 

机构地区：[1]广西师范大学计算机科学系,广西桂林541004

出　　处：《广西科学院学报》2006年第4期237-239,共3页Journal of Guangxi Academy of Sciences

基　　金：广西自然科学基金(No.0447035)资助

摘　　要：针对指纹快速细化算法中存在双像素宽的情况,研究快速细化后像素的8邻域像素值的特征,通过计算8邻域像素值的和以及8邻域中相邻像素间的关系,对快速细化算法进行改进,使细化的结果为单像素宽。改进的算法对指纹的细化效果好,速度快,效率高。The characteristics of eight-neighbor pixels were studied to solve the problem of double pixels width in the quick thinning algorithm. By computing the sum of eight-nelghbor pixel values and researching the relationship between the adjacent eight-neighbor pixels,an improved quick thinning algorithm is proposed. The result in the improved algorithm becomes one pixel width. The experimental results show that the improved algorithm runs quick and efficient.

关 键 词：快速细化 指纹 图像 单像素 8邻域 

分 类 号：TP311.5[自动化与计算机技术—计算机软件与理论]