PODiff performs conditional diffusion in a fixed, variance-ordered POD latent space to enable efficient probabilistic super-resolution of high-dimensional scientific fields with lower memory and better-calibrated uncertainty than pixel-space or dropout baselines.
arXiv preprint arXiv:2410.05431 , year=
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A diffusion-contrastive GNN with virtual nodes reduces wind nowcasting MAE by 30-46% in unobserved regions on Netherlands station data compared to interpolation and regression baselines.