collaborators

5 papers

cs.LG2025

Briding Diffusion Posterior Sampling and Monte Carlo methods: a survey

Yazid Janati, Alain Durmus, Jimmy Olsson +1

Diffusion models enable the synthesis of highly accurate samples from complex distributions and have become foundational in generative modeling. Recently, they have demonstrated si…

cs.LG2025

Conditional Diffusion Models with Classifier-Free Gibbs-like Guidance

Badr Moufad, Yazid Janati, Alain Durmus +3

Classifier-Free Guidance (CFG) is a widely used technique for improving conditional diffusion models by linearly combining the outputs of conditional and unconditional denoisers. W…

stat.ML2025

A Mixture-Based Framework for Guiding Diffusion Models

Yazid Janati, Badr Moufad, Mehdi Abou El Qassime +3

Denoising diffusion models have driven significant progress in the field of Bayesian inverse problems. Recent approaches use pre-trained diffusion models as priors to solve a wide…

stat.ML2024

Variational Diffusion Posterior Sampling with Midpoint Guidance

Badr Moufad, Yazid Janati, Lisa Bedin +4

Diffusion models have recently shown considerable potential in solving Bayesian inverse problems when used as priors. However, sampling from the resulting denoising posterior distr…

stat.ML2024

Divide-and-Conquer Posterior Sampling for Denoising Diffusion Priors

Yazid Janati, Badr Moufad, Alain Durmus +2

Recent advancements in solving Bayesian inverse problems have spotlighted denoising diffusion models (DDMs) as effective priors. Although these have great potential, DDM priors yie…