摘要
基于指纹图像清晰度提取和评估指纹中心点的方法是对传统的指纹中心点提取方法的改进,能够加快提取速度、改善提取效果,从而使指纹中心点评估参数更加客观、准确,并达到量化评估的目的。
The method of abstracting and assessing the central point of fingerprint on the basis the clearness of fingerprint image is an improvement compared with traditional method. On one hand it increases the speed of abstraction and improves the effect of abstraction. The concept of confidence level shall be applied to describe the preciseness of central point so that an objective, accurate and quantitative result can be achieved.
出处
《政法学刊》
2007年第3期101-103,共3页
Journal of Political Science and Law
关键词
指纹识别
质量评估
方向图
指纹中心点
fingerprint identification
quality assessment
directed graph
central point of the fingerprint