Search Results for author: Jakiw Pidstrigach

Found 4 papers, 0 papers with code

Affine Invariant Ensemble Transform Methods to Improve Predictive Uncertainty in ReLU Networks

no code implementations9 Sep 2023 Diksha Bhandari, Jakiw Pidstrigach, Sebastian Reich

We consider the problem of performing Bayesian inference for logistic regression using appropriate extensions of the ensemble Kalman filter.

Bayesian Inference regression

Infinite-Dimensional Diffusion Models

no code implementations20 Feb 2023 Jakiw Pidstrigach, Youssef Marzouk, Sebastian Reich, Sven Wang

For image distributions, these guidelines are in line with the canonical choices currently made for diffusion models.

Time Series

Score-Based Generative Models Detect Manifolds

no code implementations2 Jun 2022 Jakiw Pidstrigach

Score-based generative models (SGMs) need to approximate the scores $\nabla \log p_t$ of the intermediate distributions as well as the final distribution $p_T$ of the forward process.

Convergence of Preconditioned Hamiltonian Monte Carlo on Hilbert Spaces

no code implementations17 Nov 2020 Jakiw Pidstrigach

In this article, we consider the preconditioned Hamiltonian Monte Carlo (pHMC) algorithm defined directly on an infinite-dimensional Hilbert space.

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