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physics.flu-dyn2026
Uncertainty-Aware Spatiotemporal Super-Resolution Data Assimilation with Diffusion Models
Aditya Sai Pranith Ayapilla, Kazuya Miyashita, Yuki Yasuda +1
Data assimilation (DA) improves prediction of chaotic systems by combining model forecasts with sparse, noisy observations. Many DA methods are inherently probabilistic, but accura…
physics.flu-dyn2026
Predictor-Driven Diffusion for Spatiotemporal Generation
Yuki Yasuda, Tobias Bischoff
Multiscale spatial structure complicates temporal prediction because small-scale spatial fluctuations influence large-scale evolution, yet resolving all scales is often intractable…