EnJoi: Ensemble Joint Score Filter for Generative Data Assimilation

arXiv:2609.35944 · cs.LG · Submitted 2026-09-28 · Read on arXiv

cs.LG

Submitted: 2026-09-28

Updated: 2026-09-28

Code: https://github.com/JMoreau/enjoi

Terminology

• Data Assimilation — 1× in this paper · explained in 2 episodes

Sources

• DAISI: Data Assimilation with Inverse Sampling using Stochastic Interpolants
• Diffusion Forcing: Next-token Prediction Meets Full-Sequence Diffusion
• FlowDAS: A Stochastic Interpolant-based Framework for Data Assimilation
• Elucidating the Design Space of Diffusion-Based Generative Models
• Training-Free Data Assimilation with GenCast
• On conditional diffusion models for PDE simulations
• Denoising Diffusion Implicit Models
• Rethinking Diffusion Posterior Sampling: From Conditional Score Estimator to Maximizing a Posterior

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