VAE中证据的限制和对数似然的评估

Jun, 2022

Bounding Evidence and Estimating Log-Likelihood in VAE

Łukasz Struski, Marcin Mazur, Paweł Batorski, Przemysław Spurek, Jacek Tabor

TL;DR本文提供了一种通用且有效的变分间隙上限估算方法，使得我们可以高效地对VAE模型的真实证据进行估算，并且借助我们的估算方法，容易获得VAE模型对数似然的上限和下限。

Abstract

Many crucial problems in deep learning and statistics are caused by a variational gap, i.e., a difference between evidence and evidence lo