c代码，实现指纹图片的增强、二值化、细化等功能，本人已调试通过。-c code, fingerprint images to achieve the increase in value of 2, thinning and other functions, I have been through debugging.

中值滤波实现指纹图像增强 源码 （这是一种新的方法）-median_filter (a new meas for finger image enhancement)