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一种基于方向图的指纹预处理方法 被引量:3

A Preprocessing Method of Fingerprint Based on the Direction Extraction
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摘要 提出一种基于方向图的指纹预处理方法,利用指纹图像的方向信息实现了指纹的增强、二值化以及不可恢复区域的提取,为实现指纹自动识别提供了一种可行的方法。
出处 《微型机与应用》 北大核心 2005年第12期54-56,共3页 Microcomputer & Its Applications
基金 国家自然科学基金(NSF60473012)。
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