AI can detect a deepfake face because its pupils have jagged edges

By Chris Stokel-Walker

Creating a fake persona online with a computer-generated face is easier than ever before, but there is a simple way to catch these phony pictures – look at the eyes. The inability of artificial intelligence to draw circular pupils gives away whether or not a face comes from a real photograph.

Generative adversarial networks (GANs) – a type of AI that can generate images from a simple prompt – can produce realistic-looking faces. Because they are made through a process of continual …