object = double(imread('cameraman.tif'));

DC = 0.5;

sigma = 40;

subplot(121); imshow(object.*DC,[]); title('Original');

subplot(122); imshow(Idc,[]); title('Blurred');

psf = abs(fftshift(ifft2(H)));

J = deconvwnr(Idc,psf,0.0001);

figure;

subplot(221); imshow(psf,[]); title('PSF');

subplot(222); imshow(Idc,[]); title('DC');

subplot(223); imshow(J,[]); title('Deconvolution');

subplot(224); imshow(object,[]); title('Original');

Reference:

https://www.researchgate.net/profile/Yuzhen_Lu/publication/310776135_Out-of-focus_Blur_Image_De-blurring/links/5836e20a08ae74bb3aa420e4.pdf