I was once curious about why generative AI algorithms are not actively used for resolution enhancement, and then along comes a scientific paper on the subject. There are examples in the link from the comments. Researchers have demonstrated a really cool new application of diffusion — a x10 zoom into any image, naturally with “invented” contents within the image (you can zoom even more than x10). Essentially, this is a resolution enhancement by tens of times. Unfortunately, the model isn’t available yet; only the method is described and there are some interesting video examples.
Hi, I'm Rauf Aliev. 