自己编写的形态学滤波预处理指纹图像matlab编程，包括n*n二值腐蚀、膨胀、开、闭操作。-I have written a fingerprint image preprocessing morphological filtering matlab programming, including n* n binary erosion, dilation, opening and closing operation.

matlab 中很实用的源代码3：13.直方图阈值法 16 14. 自动阈值法：Otsu法 18 15.膨胀操作 19 16.腐蚀操作 20-Practical source code of matla