Generating Observation Guided Ensembles for Data Assimilation with Denoising Diffusion Probabilistic Model
Abstract
This paper presents an ensemble data assimilation method using the pseudo ensembles generated by denoising diffusion probabilistic model. Since the model is trained against noisy and sparse observation data, this model can produce divergent ensembles consistent with observations. Thanks to the variance in generated ensembles, our proposed method displays better performance than the well-established ensemble data assimilation method when the simulation model is imperfect.
Cite
Text
Asahi et al. "Generating Observation Guided Ensembles for Data Assimilation with Denoising Diffusion Probabilistic Model." ICML 2023 Workshops: SynS_and_ML, 2023.Markdown
[Asahi et al. "Generating Observation Guided Ensembles for Data Assimilation with Denoising Diffusion Probabilistic Model." ICML 2023 Workshops: SynS_and_ML, 2023.](https://mlanthology.org/icmlw/2023/asahi2023icmlw-generating/)BibTeX
@inproceedings{asahi2023icmlw-generating,
title = {{Generating Observation Guided Ensembles for Data Assimilation with Denoising Diffusion Probabilistic Model}},
author = {Asahi, Yuuichi and Hasegawa, Yuta and Onodera, Naoyuki and Shimokawabe, Takashi and Shiba, Hayato and Idomura, Yasuhiro},
booktitle = {ICML 2023 Workshops: SynS_and_ML},
year = {2023},
url = {https://mlanthology.org/icmlw/2023/asahi2023icmlw-generating/}
}