Search Results for author: Johann Rudi

Found 3 papers, 2 papers with code

Statistical treatment of convolutional neural network super-resolution of inland surface wind for subgrid-scale variability quantification

1 code implementation30 Nov 2022 Daniel Getter, Julie Bessac, Johann Rudi, Yan Feng

For each downscaling factor, we consider three CNN configurations that generate super-resolved predictions of fine-scale wind speed, which take between 1 to 3 input fields: coarse wind speed, fine-scale topography, and diurnal cycle.

Super-Resolution

Neural Networks for Parameter Estimation in Intractable Models

no code implementations29 Jul 2021 Amanda Lenzi, Julie Bessac, Johann Rudi, Michael L. Stein

We propose to use deep learning to estimate parameters in statistical models when standard likelihood estimation methods are computationally infeasible.

Parameter Estimation with Dense and Convolutional Neural Networks Applied to the FitzHugh-Nagumo ODE

1 code implementation12 Dec 2020 Johann Rudi, Julie Bessac, Amanda Lenzi

We employ the neural networks to approximate reconstruction maps for model parameter estimation from observational data, where the data comes from the solution of the ODE and takes the form of a time series representing dynamically spiking membrane potential of a biological neuron.

Time Series Analysis

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