16-5.m

来自「MATLAB数字图象处理的主要源码.包括图象去噪变换增强恢复识别压缩的各种算法」· M 代码 · 共 7 行

I = imread('nodules1.tif');
bw = ~im2bw(I,graythresh(I));
imshow(bw), title('Thresholded Image')
se = strel('disk',5);
bw2 = imopen(bw,se);
figure, imshow(bw2), title('After opening')