%% dft2demo1
%% show image and log(1+|DFT|)

% get image
load clown

% get 2D FFT of image
FX = fft2(X); 


% display results 
figure(1)
showgimg(X,128)
title('original image');
figure(2)
showgimg(log(1+abs(FX)),128)
title('log(1+|dft|)')