Fungsi FFTSHOW

function fftshow (f, type) if nargin < 2, type = 'log'; end if (type == 'log') f1 = log (1 + abs(f)); fm = max (f1(:)); imshow (im2uint8(f1/fm)) elseif (type == 'abs') fa = abs(f); fm = max (fa(:)); imshow (fa/fm) else error ('Typenya harus log atau abs tau!'); end;