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Numerical Analysis: Malik Hassanaly, National Renewable Energy Laboratory (NREL), Generative models and scientific sampling

October 4, 2022 | 3:00 pm - 4:00 pm EDT

Realistic image generation has benefited from recent groundbreaking advances in the ML community. At the core of generative models lies the capability to sample high-dimensional distributions with relatively small support and a priori unknown shape. In many scientific applications, this capability is a limiting factor that has led to modeling choices that circumvent the sampling problem. In this talk, I will demonstrate how generative models can tackle outstanding scientific challenges by leveraging their ability to sample high-dimensional distributions, or directly estimate them. While generative models are typically understood as data augmentation tools, their ability to handle high-dimensional distributions makes them also suited for data reduction.
The sampling capabilities of generative models are illustrated for two scientific problems: atmospheric state inference, and turbulent combustion closure modeling.

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Date:
October 4, 2022
Time:
3:00 pm - 4:00 pm EDT
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