指纹图像预处理源码\dirImg.m ..................\discretize.m ..................\extract.m ..................\gabor.asv ..................\gabor.m ..................\gaborfilter.m ..................\main.asv ..................\main.m ..................\normalize.m ..................\slitSum.m ..................\zs.m ..................\zseven.m ..................\zsodd.m 指纹图像预处理源码