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Is there any reliable way of recognizing GAN-generated photos? It seems the suupposed authors here probably have AI faked photos as well.

Intuitively I would say those look like GAN profile pictures to me.

Trying to more objectively analyse them, the things that give it away are

- Generic out of focus greenery background that is both a little too bland for professional headshots but also inconsistent between them.

- Odd details around the ears

- "pseudo earings" in the hair detail where the ears are covered.

- Finally, what the heck is going on with Breanna Miller's left shoulder?

GANs specifically? Kind of? The GAN process naturally creates a kind of model that can guess if an image is real enough.

But for things like stable diffusion or dalle we can’t, really.