Search Results for author: Austin Chennault

Found 2 papers, 0 papers with code

A Meta-learning Formulation of the Autoencoder Problem for Non-linear Dimensionality Reduction

no code implementations14 Jul 2022 Andrey A. Popov, Arash Sarshar, Austin Chennault, Adrian Sandu

A rapidly growing area of research is the use of machine learning approaches such as autoencoders for dimensionality reduction of data and models in scientific applications.

Dimensionality Reduction Meta-Learning

Adjoint-Matching Neural Network Surrogates for Fast 4D-Var Data Assimilation

no code implementations16 Nov 2021 Austin Chennault, Andrey A. Popov, Amit N. Subrahmanya, Rachel Cooper, Ali Haisam Muhammad Rafid, Anuj Karpatne, Adrian Sandu

Surrogates constructed using adjoint information demonstrate superior performance on the 4D-Var data assimilation problem compared to a standard neural network surrogate that uses only forward dynamics information.

Weather Forecasting

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