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一种基于曲线累积的指纹图像增强新方法

Keywords: 曲线累积指纹图像增强马尔可夫模型指纹特征图像滤波器对比度

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Abstract:

提出了一种基于马尔可夫随机场的指纹图像增强新方法,它用来描述纹线的局部随机特性,然后多次进行曲纹线方向和幅值引导的曲线累积,直到能够区分指纹中脊与谷的统计差别.实验结果表明这种方法不仅能提高指纹图像中纹线脊与谷的对比度,还能有效保持纹线的细节特征.

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