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一种改进的基于Delaunay三角剖分的指纹匹配算法

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摘要 针对指纹识别过程中匹配算法的准确性和识别效果等问题,结合计算几何中的Delaunay三角剖分算法,将其引入了指纹图像的匹配过程,提出了一种改进的基于三角网格的指纹匹配算法。该算法通过对指纹图像提取出的细节点进行三角剖分,得到三角形网格。最后先利用已经找到的参考点对对指纹图像进行配准,然后再利用细节点匹配的方法进行匹配。通过实验验证,该方法是一种行之有效的匹配算法,有效地提高了最终的匹配效果。
作者 罗美美 游林
出处 《保密科学技术》 2012年第3期52-56,共5页 Secrecy Science and Technology
基金 国家自然科学基金(60802047) 浙江省自然科学基金(Y1100318)
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参考文献10

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