Search Results for author: William I. Walker

Found 2 papers, 1 papers with code

Prediction under Latent Subgroup Shifts with High-Dimensional Observations

no code implementations23 Jun 2023 William I. Walker, Arthur Gretton, Maneesh Sahani

We introduce a new approach to prediction in graphical models with latent-shift adaptation, i. e., where source and target environments differ in the distribution of an unobserved confounding latent variable.

Unsupervised representation learning with recognition-parametrised probabilistic models

2 code implementations13 Sep 2022 William I. Walker, Hugo Soulat, Changmin Yu, Maneesh Sahani

We introduce a new approach to probabilistic unsupervised learning based on the recognition-parametrised model (RPM): a normalised semi-parametric hypothesis class for joint distributions over observed and latent variables.

Image Classification Representation Learning +1

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