script2
clear
close all
bw = imread('char.png');
imshow(imresize(bw,3,'nearest'));
se = strel('disk',1)
bw2 = imerode(bw,se);
figure
imshow(imresize(bw2,3,'nearest'));
se =
strel is a disk shaped structuring element with properties:
Neighborhood: [3×3 logical]
Dimensionality: 2
sz = size(bw2);
for n=1:sz(1)
for m=1:sz(2)
if bw2(n,m) fprintf('1');
else fprintf(' ');
end
end
fprintf('\n');
end
1111111
1111111
1111111
11111111
111111111
1111111111
11111111111
11111 111111
11111 11111
1111 111111
11111 11111
1111 111111
11111 11111
1111 111111
11111 11111
1111 111111
11111 111111
1111 111111
111111 1111111
111111111111111111111111
1111111111111111111111111
11111111111111111111111111
111111 111111
11111 111111
11111 111111
11111 111111
11111 111111
11111 111111
11111 111111
111111 1111111
bw3 = imdilate(bw,se);
figure
imshow(imresize(bw3,3,'nearest'));
subplot(1,3,1);
imshow(imresize(bw,3,'nearest'));
title('original');
subplot(1,3,2);
imshow(imresize(bw2,3,'nearest'));
title('eroded');
subplot(1,3,3);
imshow(imresize(bw3,3,'nearest'));
title('dilated');
imwrite(bw2,'eroded.png');
imwrite(bw3,'dilated.png');