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How Realistic is Photorealistic?

By Siwei Lyu and Hany Farid


Computer graphics rendering software is capable of generating highly photorealistic images that can be impossible to differentiate from photographic images. As a result, the unique stature of photographs as a definitive recording of events is being diminished (the ease with which digital images can be manipulated is, of course, also contributing to this demise). To this end, we describe a method for differentiating between photorealistic and photographic images. Specifically, we show that a statistical model based on first- and higher-order wavelet statistics reveals subtle but significant differences between photorealistic and photographic images

Year: 2005
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