Communications of the ACM
AI Can Detect Deepfake Face Because Its Pupils Have Jagged Edges
The inability of artificial intelligence to draw circular pupils gives away whether or not a face comes from a real photograph.
Credit: Manjurul Haque/Alamy
A computer model developed by researchers at New York’s University of Albany can determine whether an image of a face is a deepfake by examining its pupils; the model will deem the image a fake if the pupils are not circular or elliptical.
If the image passes that test, the model will check whether the pupil has smooth or jagged edges, with the latter indicating a deepfake.
University of Albany's Siwei Lyu said, "Even though [generative adversarial network] GAN models are very powerful, they don't really understand human biology very well. A lot of these very fine details won't be represented by the model effectively."
Although the shape of one's pupils can be affected by certain diseases and infections, Lyu noted that such cases are rare.
From New Scientist
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