Search Results for author: Felix Jimenez

Found 3 papers, 1 papers with code

Vecchia Gaussian Process Ensembles on Internal Representations of Deep Neural Networks

no code implementations26 May 2023 Felix Jimenez, Matthias Katzfuss

For regression tasks, standard Gaussian processes (GPs) provide natural uncertainty quantification, while deep neural networks (DNNs) excel at representation learning.

Gaussian Processes regression +2

Variational sparse inverse Cholesky approximation for latent Gaussian processes via double Kullback-Leibler minimization

1 code implementation30 Jan 2023 Jian Cao, Myeongjong Kang, Felix Jimenez, Huiyan Sang, Florian Schafer, Matthias Katzfuss

To achieve scalable and accurate inference for latent Gaussian processes, we propose a variational approximation based on a family of Gaussian distributions whose covariance matrices have sparse inverse Cholesky (SIC) factors.

Gaussian Processes

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