영상 팽창

I=imread('bolts(이진)-1.png');
nhood=ones(3,3);
J=imdilate(I, nhood);

figure;
subplot(1,2,1);
imshow(I);
title('<원본>','FontWeight','bold');
subplot(1,2,2);
imshow(J);
title('<팽창(Dilation)>','FontWeight','bold');