You may well have seen sci-fi movies or television shows where the protagonist asks to zoom in on an image and enhance the results – revealing a face, or a number plate, or any other key detail – and Google’s newest artificial intelligence engines, based on what’s known as diffusion models, are able to pull off this very trick.
https://www.sciencealert.com/google-s-latest-photo-ai-makes-zoom-and-enhance-a-reality