Abstract
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-order and higher order wavelet statistics reveals subtle but significant differences between photorealistic and photographic images.
| Original language | English |
|---|---|
| Pages (from-to) | 845-850 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Signal Processing |
| Volume | 53 |
| Issue number | 2 II |
| DOIs | |
| State | Published - Feb 2005 |
Keywords
- Digital forensics
- Image statistics
- Photorealism
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