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Latest commit 4f9fa33 Oct 14, 2017 @mingyuliutw mingyuliutw Fix bug

PyTorch Implementation of the Coupled GAN algorithm for Unsupervised Image-to-Image Translation


Copyright (C) 2017 NVIDIA Corporation. All rights reserved. Licensed under the CC BY-NC-ND 4.0 license (


Ming-Yu Liu, Thomas Breuel, Jan Kautz, "Unsupervised Image-to-Image Translation Networks" NIPS 2017 Spotlight, arXiv:1703.00848 2017

Result Videos

More image results are available in the Google Photo Album.

Street Scene Image Translation

From the first row to the fourth row, we show example results on day to night, sunny to rainy, summery to snowy, and real to synthetic image translation (two directions). For each image pair, left is the input image; right is the translated image.

Dog Breed Image Translation

Cat Species Image Translation

Attribute-based Face Image Translation

Code usage

Please go to the user manual page