2 papers
stat.CO2025
Doubly Adaptive Importance Sampling
Willem van den Boom, Andrea Cremaschi, Alexandre H. Thiery
We propose an adaptive importance sampling scheme for Gaussian approximations of intractable posteriors. Optimization-based approximations like variational inference can be too ina…
cs.LG2024
Out-of-Distribution Detection with a Single Unconditional Diffusion Model
Alvin Heng, Alexandre H. Thiery, Harold Soh
Out-of-distribution (OOD) detection is a critical task in machine learning that seeks to identify abnormal samples. Traditionally, unsupervised methods utilize a deep generative mo…