Photographic Image versus Photorealistic Computer Graphics Detector

1. Version 1 (OBSELETE: a version with local patch, wavelet, cartoon and power spectrum features)
2. Version 2 (FULL-SIZE IMAGE: a version with geometry, wavelet and cartoon features)
3. Version 3 (DOWNSIZED IMAGE, gradual output of results: a version with geometry, wavelet and cartoon features)
4. Version 3.1 (DOWNSIZED IMAGE, display results in one go: a version with geometry, wavelet and cartoon features)
5. Version 4 (DOWNSIZED IMAGE, gradual output of results: a version with geometry, wavelet and cartoon features)