this post was submitted on 28 Aug 2024
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Technologie: Nachrichten aus Wissenschaft, Bio und Technik
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Not quite.
They probably had that lying around anyway. Traditional bots follow pre-programmed paths, a navmesh. I don't think you'd get the more organic, exploring gameplay out of those that's necessary here. They say there's not enough recorded gameplay from humans.
No, they trained Stable Diffusion 1.4; a so-called latent diffusion model. It does text-to-image. You're probably aware of such image generators.
They trained it further for their task; to take frames and player input as a prompt instead of text. On google hardware, they get 20 fps out of the AI, which is just enough for humans to play the game, in a sense.