, [1,1]);
img_bin = imdilate(img_bin, se);
subplot(3,2,3);imshow(img_bin);title('pair-膨胀');
se = strel('disk', 3);
img_bin = imdilate(img_bin, se);
subplot(3,2,4);imshow(img_bin);title('disk-膨胀');
se = strel('rectangle', [1,3]);
img_bin = imdilate(img_bin, se);
subplot(3,2,5);imshow(img_bin);title('rectangle-膨胀');
se = strel('octagon', 3);
img_bin = imdilate(img_bin, se);
subplot(3,2,6);imshow(img_bin);title('octagon-膨胀');