FFT and wiener2

Hi All,

Please ignore my dumbness. I have a single slice gray image. I wan to try wiener2 filter to keep the information and denoise it a bit. I tried the following code but i get the figure ifft_orig as final image instead of a bit blurred version of original image. Can some one tell me what am i doing wrong?

tmp = load('Slc1.mat');    % figure (orig_img.png) corresponds to this variable 
tmp1 = fft2(tmp);
tmp2 = fftshift(log(1+abs(tmp1)));  % figure (fft_orig.png) corresponds to this variable 
 [tmp4,noise] = wiener2(tmp2);      % figure (filtered_fft_orig.png)
                                    % figure (fft_orig - filtered _fft_orig.png)
            tmp4 = ifftshift(tmp4);
            tmp4 = ifft2(tmp4);     % figure(ifft_orig.png)