Neural Methods for Amortized Inference

A Zammit-Mangion, M Sainsbury-Dale… - Annual Review of …, 2024 - annualreviews.org
Simulation-based methods for statistical inference have evolved dramatically over the past
50 years, keeping pace with technological advancements. The field is undergoing a new …

Bayesflow: Amortized bayesian workflows with neural networks

ST Radev, M Schmitt, L Schumacher… - arXiv preprint arXiv …, 2023 - arxiv.org
Modern Bayesian inference involves a mixture of computational techniques for estimating,
validating, and drawing conclusions from probabilistic models as part of principled …

Conditional score-based diffusion models for Bayesian inference in infinite dimensions

L Baldassari, A Siahkoohi, J Garnier… - Advances in …, 2024 - proceedings.neurips.cc
Since their initial introduction, score-based diffusion models (SDMs) have been successfully
applied to solve a variety of linear inverse problems in finite-dimensional vector spaces due …

WISE: Full-waveform variational inference via subsurface extensions

Z Yin, R Orozco, M Louboutin, FJ Herrmann - Geophysics, 2024 - library.seg.org
We introduce a probabilistic technique for full-waveform inversion, using variational
inference and conditional normalizing flows to quantify uncertainty in migration-velocity …

Conditional optimal transport on function spaces

B Hosseini, AW Hsu, A Taghvaei - arXiv preprint arXiv:2311.05672, 2023 - arxiv.org
We present a systematic study of conditional triangular transport maps in function spaces
from the perspective of optimal transportation and with a view towards amortized Bayesian …

Amortized normalizing flows for transcranial ultrasound with uncertainty quantification

R Orozco, M Louboutin, A Siahkoohi, G Rizzuti… - arXiv preprint arXiv …, 2023 - arxiv.org
We present a novel approach to transcranial ultrasound computed tomography that utilizes
normalizing flows to improve the speed of imaging and provide Bayesian uncertainty …

Solving multiphysics-based inverse problems with learned surrogates and constraints

Z Yin, R Orozco, M Louboutin, FJ Herrmann - Advanced Modeling and …, 2023 - Springer
Solving multiphysics-based inverse problems for geological carbon storage monitoring can
be challenging when multimodal time-lapse data are expensive to collect and costly to …

WISER: multimodal variational inference for full-waveform inversion without dimensionality reduction

Z Yin, R Orozco, FJ Herrmann - Geophysics, 2024 - library.seg.org
We present a semi-amortized variational inference framework designed for computationally
feasible uncertainty quantification in full-waveform inversion to explore the multimodal …

Bayesian inversion, uncertainty analysis and interrogation using boosting variational inference

X Zhao, A Curtis - Journal of Geophysical Research: Solid …, 2024 - Wiley Online Library
Geoscientists use observed data to estimate properties of the Earth's interior. This often
requires non‐linear inverse problems to be solved and uncertainties to be estimated …

Conditional injective flows for Bayesian imaging

AE Khorashadizadeh, K Kothari, L Salsi… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Most deep learning models for computational imaging regress a single reconstructed image.
In practice, however, ill-posedness, nonlinearity, model mismatch, and noise often conspire …