Diffusion models in vision: A survey
Denoising diffusion models represent a recent emerging topic in computer vision,
demonstrating remarkable results in the area of generative modeling. A diffusion model is a …
demonstrating remarkable results in the area of generative modeling. A diffusion model is a …
Uncertainty quantification in machine learning for engineering design and health prognostics: A tutorial
On top of machine learning (ML) models, uncertainty quantification (UQ) functions as an
essential layer of safety assurance that could lead to more principled decision making by …
essential layer of safety assurance that could lead to more principled decision making by …
Learning physics-based models from data: perspectives from inverse problems and model reduction
This article addresses the inference of physics models from data, from the perspectives of
inverse problems and model reduction. These fields develop formulations that integrate data …
inverse problems and model reduction. These fields develop formulations that integrate data …
Diffusion bridge mixture transports, Schrödinger bridge problems and generative modeling
S Peluchetti - Journal of Machine Learning Research, 2023 - jmlr.org
The dynamic Schrödinger bridge problem seeks a stochastic process that defines a
transport between two target probability measures, while optimally satisfying the criteria of …
transport between two target probability measures, while optimally satisfying the criteria of …
Interacting Langevin diffusions: Gradient structure and ensemble Kalman sampler
Solving inverse problems without the use of derivatives or adjoints of the forward model is
highly desirable in many applications arising in science and engineering. In this paper we …
highly desirable in many applications arising in science and engineering. In this paper we …
Optimal experimental design: Formulations and computations
Questions of 'how best to acquire data'are essential to modelling and prediction in the
natural and social sciences, engineering applications, and beyond. Optimal experimental …
natural and social sciences, engineering applications, and beyond. Optimal experimental …
Conditional simulation using diffusion Schrödinger bridges
Denoising diffusion models have recently emerged as a powerful class of generative
models. They provide state-of-the-art results, not only for unconditional simulation, but also …
models. They provide state-of-the-art results, not only for unconditional simulation, but also …
Sum-of-squares polynomial flow
Triangular map is a recent construct in probability theory that allows one to transform any
source probability density function to any target density function. Based on triangular maps …
source probability density function to any target density function. Based on triangular maps …
Transport map accelerated markov chain monte carlo
MD Parno, YM Marzouk - SIAM/ASA Journal on Uncertainty Quantification, 2018 - SIAM
We introduce a new framework for efficient sampling from complex probability distributions,
using a combination of transport maps and the Metropolis--Hastings rule. The core idea is to …
using a combination of transport maps and the Metropolis--Hastings rule. The core idea is to …
Sparse Cholesky Factorization by Kullback--Leibler Minimization
We propose to compute a sparse approximate inverse Cholesky factor L of a dense
covariance matrix Θ by minimizing the Kullback--Leibler divergence between the Gaussian …
covariance matrix Θ by minimizing the Kullback--Leibler divergence between the Gaussian …