[X, map] = imread('bw_L.gif');
I = ind2gray(X,map);
size_I = size(I);
subplot(2,2,1), imshow(I)

J = imrotate(I,120,'nearest','crop');
subplot(2,2,2), imshow(J)

K = imcrop(J,[154 30 214 298]);
subplot(2,2,3), imshow(K)

L = imresize(K,size_I);
subplot(2,2,4), imshow(L)

whos I J K L