包括指纹图像的直方图、滤波、二值化、细化等一些流程，处理后的图像增强效果较明显！！！

具有通用性，也可以用在普通图像上，图像的某些区域增强效果明显。-Including the fingerprint image histogram, filtering, thresholding, thinning and some other processes, processed image enhancement effect more obvious! ! !

Generic, can also be used in an ordinary image, image enhancement evident in some regions.



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