After talking with the ECMWF people, they seemed pretty convinced that image-based diffusion models might not work as well, and graphs have nice properties of representing the sphere. There are some graph diffusion models though that might be helpful.
https://arxiv.org/abs/2106.10934
After talking with the ECMWF people, they seemed pretty convinced that image-based diffusion models might not work as well, and graphs have nice properties of representing the sphere. There are some graph diffusion models though that might be helpful.
Detailed Description
Context
Possible Implementation