activity
20192026
most citedPosterior samples of source galaxies in strong gravitational lenses with score-based priors

11 citations · 19 across the 10 of their papers we have counts for

collaborators

21 papers

cs.LG2026

How to Approximate Inference with Subtractive Mixture Models

Lena Zellinger, Nicola Branchini, Lennert De Smet +3

Classical mixture models (MMs) are widely used tractable proposals for approximate inference settings such as variational inference (VI) and importance sampling (IS). Recently, mix…

astro-ph.GA2025

Mind the Information Gap: Unveiling Detailed Morphologies of z 0.5-1.0 Galaxies with SLACS Strong Lenses and Data-Driven Analysis

Ronan Legin, Connor Stone, Alexandre Adam +5

We present new state-of-the-art lens models for strong gravitational lensing systems from the Sloan Lens ACS (SLACS) survey, developed within a Bayesian framework that employs high…

astro-ph.IM2025

Pixellated Posterior Sampling of Point Spread Functions in Astronomical Images

Connor Stone, Ronan Legin, Alexandre Adam +4

We introduce a novel framework for upsampled Point Spread Function (PSF) modeling using pixel-level Bayesian inference. Accurate PSF characterization is critical for precision meas…

cs.LG2025

Recursive Self-Aggregation Unlocks Deep Thinking in Large Language Models

Siddarth Venkatraman, Vineet Jain, Sarthak Mittal +9

Test-time scaling methods improve the capabilities of large language models (LLMs) by increasing the amount of compute used during inference to make a prediction. Inference-time co…

cs.LG2025

Adaptive Destruction Processes for Diffusion Samplers

Timofei Gritsaev, Nikita Morozov, Kirill Tamogashev +5

This paper explores the challenges and benefits of a trainable destruction process in diffusion samplers -- diffusion-based generative models trained to sample an unnormalised dens…

cs.LG2025

On Designing Diffusion Autoencoders for Efficient Generation and Representation Learning

Magdalena Proszewska, Nikolay Malkin, N. Siddharth

Diffusion autoencoders (DAs) are variants of diffusion generative models that use an input-dependent latent variable to capture representations alongside the diffusion process. The…