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Ignacio Peis

3 accepted papers

2023

Variational Mixture of HyperGenerators for Learning Distributions over Functions

ICML 2023poster

Recent approaches build on implicit neural representations (INRs) to propose generative models over function spaces. However, they are computationally costly when dealing with inference tasks, such as missing data imputation, or directly cannot tackle them. In this work, we propose a novel deep gene…

2022

Missing Data Imputation and Acquisition with Deep Hierarchical Models and Hamiltonian Monte Carlo

NeurIPS 2022accept

Variational Autoencoders (VAEs) have recently been highly successful at imputing and acquiring heterogeneous missing data. However, within this specific application domain, existing VAE methods are restricted by using only one layer of latent variables and strictly Gaussian posterior approximations.…