To find transpose of an image

for i=1:512
   for j=1:512
    B(j,i)=A(i,j);
 end
end


Vertical Flip

for i=1:512
   for j=1:512
    B(i,512+1-j)=A(i,j);
 end
end

Image Cropping

for k=0:64-1
    for l=0:128-1
        B(k+1,l+1)=A(255+k+1,255+l+1);
  end
end