dip

a = imread('C:\Users\JNEC-20\Pictures\camera1.jpg');
se = strel('line',11,90);
a=rgb2gray(a);

b = imdilate(a,se);
c=imerode(a,se);
subplot(2,3,1);
imshow(a), title('Original');
subplot(2,3,2);
imshow(b), title('Dilated');
subplot(2,3,3);
imshow(c), title('Eroded');