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Density estimation using Real NVP

2016/05/27 by Laurent Dinh, Jascha Sohl‐Dickstein, Jascha Sohl-Dickstein +4 · 401 citations
Computer Science · Mathematics · #Artificial Intelligence (cs.AI) #FOS: Computer and information sciences #Generative Adversarial Networks and Image Synthesis #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Machine Learning and Algorithms #Machine Learning and Data Classification #Neural and Evolutionary Computing (cs.NE) #cs.AI #cs.LG #cs.NE #stat.ML

paper · pdf · doi:10.48550/arxiv.1605.08803

10 pages of main content, 3 pages of bibliography, 18 pages of appendix. Accepted at ICLR 2017

openalex publication_date 2016/05/27 · openalex created_date 2016/06/24 · arxiv created 2017/02/27 · arxiv updated 2017/03/01 · openalex updated_date 2026/07/31

Abstract

Unsupervised learning of probabilistic models is a central yet challenging problem in machine learning. Specifically, designing models with tractable learning, sampling, inference and evaluation is crucial in solving this task. We extend the space of such models using real-valued non-volume preserving (real NVP) transformations, a set of powerful invertible and learnable transformations, resulting in an unsupervised learning algorithm with exact log-likelihood computation, exact sampling, exact inference of latent variables, and an interpretable latent space. We demonstrate its ability to model natural images on four datasets through sampling, log-likelihood evaluation and latent variable manipulations.

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