There are lots of great image processing algorithms also outside of DL. Search for "Siggraph" on youtube. If only these algorithms were easily accessible as plugins in GIMP ...

https://en.wikipedia.org/wiki/SIGGRAPH

Unfortunately writing a paper about implementing your new fancy algorithm (TM) in GIMP is hardly ever successful, so many of those die in some git repo.

I assume (hope) it won’t be long before erasing objects within a scene and adding new ones (e.g. clouds) are widespread, too.