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Glow: Generative Flow with Invertible 1x1 Convolutions
Diederik Kingma · Prafulla Dhariwal

Tue Dec 04 07:45 AM -- 09:45 AM (PST) @ Room 210 #11

Flow-based generative models are conceptually attractive due to tractability of the exact log-likelihood, tractability of exact latent-variable inference, and parallelizability of both training and synthesis. In this paper we propose Glow, a simple type of generative flow using invertible 1x1 convolution. Using our method we demonstrate a significant improvement in log-likelihood and qualitative sample quality. Perhaps most strikingly, we demonstrate that a generative model optimized towards the plain log-likelihood objective is capable of efficient synthesis of large and subjectively realistic-looking images.

Author Information

Diederik Kingma (Google)
Prafulla Dhariwal (OpenAI)

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