image enhancement based on wavelet transform
基于小波变换的图像增强的一篇论文,中英所有的指纹识别/验证系统中,如指纹或基于指纹的匹配滤波器,其性能在很大程度上依赖于输入的指纹图像的质量。在本文中,我们提出了一个有效的指纹图像增强算法,可以大大地提高脊结构的清晰度和连续性基于全局纹理和局部的小波变换的多分辨率分析取向。实验结果表明,增强的图像质量,采用基于小波变换的图像增强算法是提高特征点检测比现有其他方法更好。关键词:指纹识别/验证系统;多分辨率分析;全局纹理;定位;小波变换
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