Proximal denoiser for convergent plug-and-play optimization with nonconvex regularization

S Hurault, A Leclaire… - … Conference on Machine …, 2022 - proceedings.mlr.press
Abstract Plug-and-Play (PnP) methods solve ill-posed inverse problems through iterative
proximal algorithms by replacing a proximal operator by a denoising operation. When …

Image denoising: The deep learning revolution and beyond—a survey paper

M Elad, B Kawar, G Vaksman - SIAM Journal on Imaging Sciences, 2023 - SIAM
Image denoising—removal of additive white Gaussian noise from an image—is one of the
oldest and most studied problems in image processing. Extensive work over several …

Online deep equilibrium learning for regularization by denoising

J Liu, X Xu, W Gan, U Kamilov - Advances in Neural …, 2022 - proceedings.neurips.cc
Abstract Plug-and-Play Priors (PnP) and Regularization by Denoising (RED) are widely-
used frameworks for solving imaging inverse problems by computing fixed-points of …

Learning weakly convex regularizers for convergent image-reconstruction algorithms

A Goujon, S Neumayer, M Unser - SIAM Journal on Imaging Sciences, 2024 - SIAM
We propose to learn non-convex regularizers with a prescribed upper bound on their weak-
convexity modulus. Such regularizers give rise to variational denoisers that minimize a …

A neural-network-based convex regularizer for inverse problems

A Goujon, S Neumayer, P Bohra… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The emergence of deep-learning-based methods to solve image-reconstruction problems
has enabled a significant increase in quality. Unfortunately, these new methods often lack …

Deep equilibrium learning of explicit regularization functionals for imaging inverse problems

Z Zou, J Liu, B Wohlberg… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
There has been significant recent interest in the use of deep learning for regularizing
imaging inverse problems. Most work in the area has focused on regularization imposed …

Tfpnp: Tuning-free plug-and-play proximal algorithms with applications to inverse imaging problems

K Wei, A Aviles-Rivero, J Liang, Y Fu, H Huang… - Journal of Machine …, 2022 - jmlr.org
Plug-and-Play (PnP) is a non-convex optimization framework that combines proximal
algorithms, for example, the alternating direction method of multipliers (ADMM), with …

Convergent bregman plug-and-play image restoration for poisson inverse problems

S Hurault, U Kamilov, A Leclaire… - Advances in Neural …, 2024 - proceedings.neurips.cc
Abstract Plug-and-Play (PnP) methods are efficient iterative algorithms for solving ill-posed
image inverse problems. PnP methods are obtained by using deep Gaussian denoisers …

Self-supervised learning for endoscopic video analysis

R Hirsch, M Caron, R Cohen, A Livne… - … Conference on Medical …, 2023 - Springer
Self-supervised learning (SSL) has led to important breakthroughs in computer vision by
allowing learning from large amounts of unlabeled data. As such, it might have a pivotal role …

Denoising: A powerful building-block for imaging, inverse problems, and machine learning

P Milanfar, M Delbracio - arXiv preprint arXiv:2409.06219, 2024 - arxiv.org
Denoising, the process of reducing random fluctuations in a signal to emphasize essential
patterns, has been a fundamental problem of interest since the dawn of modern scientific …