Assessing and Improving the Identification of Computer-Generated Portraits

摘要: Modern computer graphics are capable of generating highly photorealistic images. Although this can be considered a success for the community, it has given rise to complex forensic and legal issues. A compelling example comes from need distinguish between computer-generated photographic images as pertains legality prosecution child pornography in United States. We performed psychophysical experiments determine accuracy with which observers distinguishing find that have considerable difficulty performing task—more than we observed 5 years ago when imagery was not photorealistic. also more likely report an image is rather generated, resolution surprisingly little effect on performance. Finally, small amount training greatly improves accuracy.