CLIP2GAN: Towards Bridging Text with the Latent Space of GANs

• URL: http://arxiv.org/abs/2211.15045v1
• Date: Mon, 28 Nov 2022 04:07:17 GMT
• Title: CLIP2GAN: Towards Bridging Text with the Latent Space of GANs
• Authors: Yixuan Wang, Wengang Zhou, Jianmin Bao, Weilun Wang, Li Li, Houqiang Li
• Abstract summary: We propose a novel framework, i.e., CLIP2GAN, by leveraging CLIP model and StyleGAN. The key idea of our CLIP2GAN is to bridge the output feature embedding space of CLIP and the input latent space of StyleGAN.
• Score: 128.47600914674985
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this work, we are dedicated to text-guided image generation and propose a novel framework, i.e., CLIP2GAN, by leveraging CLIP model and StyleGAN. The key idea of our CLIP2GAN is to bridge the output feature embedding space of CLIP and the input latent space of StyleGAN, which is realized by introducing a mapping network. In the training stage, we encode an image with CLIP and map the output feature to a latent code, which is further used to reconstruct the image. In this way, the mapping network is optimized in a self-supervised learning way. In the inference stage, since CLIP can embed both image and text into a shared feature embedding space, we replace CLIP image encoder in the training architecture with CLIP text encoder, while keeping the following mapping network as well as StyleGAN model. As a result, we can flexibly input a text description to generate an image. Moreover, by simply adding mapped text features of an attribute to a mapped CLIP image feature, we can effectively edit the attribute to the image. Extensive experiments demonstrate the superior performance of our proposed CLIP2GAN compared to previous methods.

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