StyleVideoGAN: A Temporal Generative Model using a Pretrained StyleGAN

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This work was published at the British Machine Vision Conference (BMVC) 2021, where you can find a recorded conference presentation.


Generative adversarial models (GANs) continue to produce advances in terms of the visual quality of still images, as well as the learning of temporal correlations. However, few works manage to combine these two interesting capabilities for the synthesis of video content: Most methods require an extensive training dataset in order to learn temporal correlations , while being rather limited in the resolution and visual quality of their output frames. In this paper, we present a novel approach to the video synthesis problem that helps to greatly improve visual quality and drastically reduce the amount of training data and resources necessary for generating video content. Our formulation separates the spatial domain, in which individual frames are synthesized, from the temporal domain, in which motion is generated. For the spatial domain we make use of a pre-trained StyleGAN network, the latent space of which allows control over the appearance of the objects it was trained for. The expressive power of this model allows us to embed our training videos in the StyleGAN latent space. Our temporal architecture is then trained not on sequences of RGB frames, but on sequences of StyleGAN latent codes. The advantageous properties of the StyleGAN space simplify the discovery of temporal correlations. We demonstrate that it suffices to train our temporal architecture on only 10 minutes of footage of 1 subject for about 6 hours. After training, our model can not only generate new portrait videos for the training subject, but also for any random subject which can be embedded in the StyleGAN space.



BibTeX, 1 KB

    author = {Fox, Gereon and Tewari, Ayush and Elgharib, Mohamed and Theobalt, Christian},
    booktitle = {British Machine Vision Conference (BMVC)},
    title = {StyleVideoGAN: A Temporal Generative Model using a Pretrained StyleGAN},
    url = {},
    year = {2021}


We thank the the authors of "A Good Image Generator Is What You Need for High-Resolution Video Synthesis" for training their model on the training data we sent them. We also thank Pramod Rao for his invaluable support in conducting the experiments for our evaluation section. This work was supported by the ERC Consolidator Grant 4DReply (770784).

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