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An improved binary segmentation algorithm and its application in fingerprint identification
Author(s): 
Pages: 47-50
Year: Issue:  1
Journal: Journal of ZhongKai University of Agriculture and Technology

Keyword:  指纹识别特征提取图像归一化二值化;
Abstract: 研究了指纹特征提取的原理及算法实现流程,它依次可分为指纹图像归一化、分割和二值化、图像增强滤波、图像细化、特征提取等几个步骤.在分割和二值化阶段提出了一种改进的基于图像分块和阈值迭代的二值化分割算法,新算法能有效提取局部图像的最优二值化阈值,可提高对明暗分布不均的图像的二值化分割的效果和指纹图像分割的质量.在图像增强和细化阶段引入细化邻域方法进行图像增强和细化,最后对指纹特征进行提取.利用MATLAB工具进行了仿真,结果表明,采用改进的算法进行指纹特征提取基本能准确、快速的找出指纹图像的特征.
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