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Received:September 15, 2010 Revised:November 16, 2010
Received:September 15, 2010 Revised:November 16, 2010
中文摘要: 准确、可靠地检测指纹核心点对于指纹的分类和匹配有重要的意义。针对指纹图像核心点提取中准确判断和精确定位的难题,介绍了一种比较好的核心点检测算法。根据核心点是纹线曲率最大的点的定义,利用脊线跟踪的方法求出核心点。实验结果证明该方法能够从指纹图像中较精确、可靠地提取出核心点，并具有较好的鲁棒性。
Abstract:Accurate and reliable detection of core point for fingerprint classification and matching are important. This
paper introduces a good method for core point detection in fingerprint to improve accuracy of the position and reliability
of the core point. According to the definition of the core point is that the greatest point of curvature ridge, this paper use
the ridge line tracing methods derive the core point. The experimental results show that the method can extract the core
point from the fingerprint image more accurately and reliably, and has good robustness.
keywords: core point ridge line tracing ridge curvature
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引用文本：
王水鱼,刘武,王卓然.基于脊线跟踪的指纹核心点检测.计算机系统应用,2011,20(6):140-143
WANG Shui-Yu,LIU Wu,WANG Zhuo-Ran.Core Point Detection of Fingerprint Based on Tracing Ridges.COMPUTER SYSTEMS APPLICATIONS,2011,20(6):140-143
王水鱼,刘武,王卓然.基于脊线跟踪的指纹核心点检测.计算机系统应用,2011,20(6):140-143
WANG Shui-Yu,LIU Wu,WANG Zhuo-Ran.Core Point Detection of Fingerprint Based on Tracing Ridges.COMPUTER SYSTEMS APPLICATIONS,2011,20(6):140-143
