High-dimensional Gaussian sampling: a review and a unifying approach based on a stochastic proximal point algorithm
Efficient sampling from a high-dimensional Gaussian distribution is an old but high-stakes
issue. Vanilla Cholesky samplers imply a computational cost and memory requirements that …
issue. Vanilla Cholesky samplers imply a computational cost and memory requirements that …
Scalable Bayesian uncertainty quantification in imaging inverse problems via convex optimization
We propose a Bayesian uncertainty quantification method for large-scale imaging inverse
problems. Our method applies to all Bayesian models that are log-concave, where maximum …
problems. Our method applies to all Bayesian models that are log-concave, where maximum …
[HTML][HTML] A Bayesian approach to quantifying uncertainty from experimental noise in DEER spectroscopy
TH Edwards, S Stoll - Journal of magnetic resonance, 2016 - Elsevier
Abstract Double Electron-Electron Resonance (DEER) spectroscopy is a solid-state pulse
Electron Paramagnetic Resonance (EPR) experiment that measures distances between …
Electron Paramagnetic Resonance (EPR) experiment that measures distances between …
Maximum-a-posteriori estimation with unknown regularisation parameters
M Pereyra, JM Bioucas-Dias… - 2015 23rd European …, 2015 - ieeexplore.ieee.org
This paper presents two hierarchical Bayesian methods for performing maximum-a-
posteriori inference when the value of the regularisation parameter is unknown. The …
posteriori inference when the value of the regularisation parameter is unknown. The …
Fast Bayesian Inversion for high dimensional inverse problems
B Kugler, F Forbes, S Douté - Statistics and Computing, 2022 - Springer
We investigate the use of learning approaches to handle Bayesian inverse problems in a
computationally efficient way when the signals to be inverted present a moderately high …
computationally efficient way when the signals to be inverted present a moderately high …
Gradient scan Gibbs sampler: An efficient algorithm for high-dimensional Gaussian distributions
This paper deals with Gibbs samplers that include high dimensional conditional Gaussian
distributions. It proposes an efficient algorithm that avoids the high dimensional Gaussian …
distributions. It proposes an efficient algorithm that avoids the high dimensional Gaussian …
Error control of the numerical posterior with Bayes factors in Bayesian uncertainty quantification
In this paper, we address the numerical posterior error control problem for the Bayesian
approach to inverse problems or recently known as Bayesian Uncertainty Quantification …
approach to inverse problems or recently known as Bayesian Uncertainty Quantification …
Weak and tv consistency in bayesian uncertainty quantification using disintegration
JA Christen, JL Pérez-Garmendia - Boletín de la Sociedad Matemática …, 2021 - Springer
Using standard techniques in Probability theory we prove a series of results relevant in the
theory of Bayesian uncertainty quantification (UQ). Using the approach, found in the …
theory of Bayesian uncertainty quantification (UQ). Using the approach, found in the …
A Physics Based Surrogate Model in Bayesian Uncertainty Quantification involving Elliptic PDEs
A Galaviz, JA Christen, A Capella - arXiv preprint arXiv:2312.09303, 2023 - arxiv.org
The paper addresses Bayesian inferences in inverse problems with uncertainty
quantification involving a computationally expensive forward map associated with solving a …
quantification involving a computationally expensive forward map associated with solving a …
Indoor 3-D radar imaging for low-RCS analysis
P Minvielle, P Massaloux… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
An original 3-D radar imaging system is presented for radar cross section (RCS) analysis, ie,
to identify and characterize the radar backscattering components of an object. Based on a 3 …
to identify and characterize the radar backscattering components of an object. Based on a 3 …