[m,n] = size(grey);y = 2;pens= zeroes(m,n);for i = 1:m for j = 1:n pens(i,j) = floor(255*(power(grey(i,j)/255, y))); endend imshow(pens);
For that grey is a grayscale picture (M x N matrix with gray values) this should be a perfectly working code. but it doesnt and i dont get why. If i try numbers between 0 and 255 for "grey(i,j)" as a single command i get the right values, but if i use it in the loop, i only get 0 or 255 as return in pens… does anyone know where the problem here lays?
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