Learning from small data sets: Patch‐based regularizers in inverse problems for image reconstruction
The solution of inverse problems is of fundamental interest in medical and astronomical
imaging, geophysics as well as engineering and life sciences. Recent advances were made …
imaging, geophysics as well as engineering and life sciences. Recent advances were made …
Conditional wasserstein distances with applications in bayesian ot flow matching
In inverse problems, many conditional generative models approximate the posterior
measure by minimizing a distance between the joint measure and its learned approximation …
measure by minimizing a distance between the joint measure and its learned approximation …
Posterior sampling based on gradient flows of the MMD with negative distance kernel
We propose conditional flows of the maximum mean discrepancy (MMD) with the negative
distance kernel for posterior sampling and conditional generative modeling. This MMD …
distance kernel for posterior sampling and conditional generative modeling. This MMD …
Adversarial robustness of amortized Bayesian inference
Bayesian inference usually requires running potentially costly inference procedures
separately for every new observation. In contrast, the idea of amortized Bayesian inference …
separately for every new observation. In contrast, the idea of amortized Bayesian inference …
Robustness and exploration of variational and machine learning approaches to inverse problems: An overview
This paper provides an overview of current approaches for solving inverse problems in
imaging using variational methods and machine learning. A special focus lies on point …
imaging using variational methods and machine learning. A special focus lies on point …
NF-ULA: Normalizing Flow-Based Unadjusted Langevin Algorithm for Imaging Inverse Problems
Bayesian methods for solving inverse problems are a powerful alternative to classical
methods since the Bayesian approach offers the ability to quantify the uncertainty in the …
methods since the Bayesian approach offers the ability to quantify the uncertainty in the …
NF-ULA: Langevin Monte Carlo with normalizing flow prior for imaging inverse problems
Bayesian methods for solving inverse problems are a powerful alternative to classical
methods since the Bayesian approach offers the ability to quantify the uncertainty in the …
methods since the Bayesian approach offers the ability to quantify the uncertainty in the …
Y-Diagonal Couplings: Approximating Posteriors with Conditional Wasserstein Distances
In inverse problems, many conditional generative models approximate the posterior
measure by minimizing a distance between the joint measure and its learned approximation …
measure by minimizing a distance between the joint measure and its learned approximation …
Learning conditional distributions on continuous spaces
We investigate sample-based learning of conditional distributions on multi-dimensional unit
boxes, allowing for different dimensions of the feature and target spaces. Our approach …
boxes, allowing for different dimensions of the feature and target spaces. Our approach …
A Likelihood Based Approach to Distribution Regression Using Conditional Deep Generative Models
In this work, we explore the theoretical properties of conditional deep generative models
under the statistical framework of distribution regression where the response variable lies in …
under the statistical framework of distribution regression where the response variable lies in …