Diffusion models in vision: A survey

FA Croitoru, V Hondru, RT Ionescu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
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 …

Uncertainty quantification in machine learning for engineering design and health prognostics: A tutorial

V Nemani, L Biggio, X Huan, Z Hu, O Fink… - … Systems and Signal …, 2023 - Elsevier
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 …

Learning physics-based models from data: perspectives from inverse problems and model reduction

O Ghattas, K Willcox - Acta Numerica, 2021 - cambridge.org
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 …

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 …

Interacting Langevin diffusions: Gradient structure and ensemble Kalman sampler

A Garbuno-Inigo, F Hoffmann, W Li, AM Stuart - SIAM Journal on Applied …, 2020 - SIAM
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 …

Optimal experimental design: Formulations and computations

X Huan, J Jagalur, Y Marzouk - Acta Numerica, 2024 - cambridge.org
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 …

Conditional simulation using diffusion Schrödinger bridges

Y Shi, V De Bortoli, G Deligiannidis… - Uncertainty in Artificial …, 2022 - proceedings.mlr.press
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 …

Sum-of-squares polynomial flow

P Jaini, KA Selby, Y Yu - International Conference on …, 2019 - proceedings.mlr.press
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 …

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 …

Sparse Cholesky Factorization by Kullback--Leibler Minimization

F Schäfer, M Katzfuss, H Owhadi - SIAM Journal on scientific computing, 2021 - SIAM
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 …