【Key words】 fingerprint; Gabor function; fingerprint enhancement; ridge orientation; ridge frequency;
基于8个网页-相关网页
Orientation filter is a method that filters the fingerprint image along ridge orientation.
方向滤波是沿着指纹纹线方向滤波的方法。
参考来源 - 一种有效的指纹图像方向滤波增强算法—《计算机应用研究》—2008年第10期—龙源期刊网·2,447,543篇论文数据,部分数据来源于NoteExpress
该文介绍了一种基于指纹线方向的指纹图像增强算法。
This paper introduces a fingerprint image enhancement algorithm based on fingerprint line orientation.
掌纹中不同区域的纹线方向和空间频率代表着掌纹图像内在的特征。
Ridge orientations and ridge spatial frequencies in various regions of the palm represent the intrinsic characteristics of a palmprint image.
提出了一种基于纹线方向投影信号谱分析的指纹纹线间距估计方法。
An estimation method of fingerprint ridge distance based on ridge orientation projection signal spectrum analysis is proposed to overcome some shortages in the present literatures.
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