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在深入分析指纹图像的基本特征及其对正弦曲面相似性的基础上,构造符合指纹局部区域纹线灰度分布规律的正弦曲面滤波器模型,并提出了基于该模型的指纹增强算法.实验结果表明,相比于加博增强算法,该算法具有更好的纹线连接能力,能有效提高指纹图像增强的实际效果和细节特征信息提取结果的准确性.
基于二维正弦曲面滤波器的指纹图像增强算法研究
【摘 要】
：
在深入分析指纹图像的基本特征及其对正弦曲面相似性的基础上,构造符合指纹局部区域纹线灰度分布规律的正弦曲面滤波器模型,并提出了基于该模型的指纹增强算法.实验结果表明,相比于加博增强算法,该算法具有更好的纹线连接能力,能有效提高指纹图像增强的实际效果和细节特征信息提取结果的准确性.
【出 处】
：
山东大学学报(工学版)
【发表日期】
：
2009年02期
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