We had a comment here on 2023-03-15 citing an article on The Verge. The evidence is that this isn’t “artificial intelligence”, but rather detecting bright circles in a dark sky and replacing them with a saved bitmap of the Moon. This could be pinned down by experiments that triggered the “enhancement” by Moon-like images which were, for example, mirrored and/or modified in various ways.
What NVIDIA is doing is synthesising the most likely image from the sparse output of a limited-resolution ray trace. In both cases, they’re “making stuff up”, but the NVIDIA technique is much more general, similar to an artificial intelligence that synthesises an image based upon a rough sketch as input.