DrawingInStyles: Portrait Image Generation and Editing with Spatially Conditioned StyleGAN

• URL: http://arxiv.org/abs/2203.02762v1
• Date: Sat, 5 Mar 2022 14:54:07 GMT
• Title: DrawingInStyles: Portrait Image Generation and Editing with Spatially Conditioned StyleGAN
• Authors: Wanchao Su, Hui Ye, Shu-Yu Chen, Lin Gao, Hongbo Fu
• Abstract summary: We introduce SC-StyleGAN, which injects spatial constraints to the original StyleGAN generation process. Based on SC-StyleGAN, we present DrawingInStyles, a novel drawing interface for non-professional users to easily produce high-quality, photo-realistic face images.
• Score: 30.465955123686335
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The research topic of sketch-to-portrait generation has witnessed a boost of progress with deep learning techniques. The recently proposed StyleGAN architectures achieve state-of-the-art generation ability but the original StyleGAN is not friendly for sketch-based creation due to its unconditional generation nature. To address this issue, we propose a direct conditioning strategy to better preserve the spatial information under the StyleGAN framework. Specifically, we introduce Spatially Conditioned StyleGAN (SC-StyleGAN for short), which explicitly injects spatial constraints to the original StyleGAN generation process. We explore two input modalities, sketches and semantic maps, which together allow users to express desired generation results more precisely and easily. Based on SC-StyleGAN, we present DrawingInStyles, a novel drawing interface for non-professional users to easily produce high-quality, photo-realistic face images with precise control, either from scratch or editing existing ones. Qualitative and quantitative evaluations show the superior generation ability of our method to existing and alternative solutions. The usability and expressiveness of our system are confirmed by a user study.

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