Towards Highly Realistic Artistic Style Transfer via Stable Diffusion with Step-aware and Layer-aware Prompt

Lei Zhao, Jinheng Xie, Wei Xing, Zhanjie Zhang, Huaizhong Lin, Quanwei Zhang, Guangyuan Li, Junsheng Luan, Juncheng Mo, Shuaicheng Huang, Dalong Zhang, Lixia Chen

arXiv · PDF · Open in the Atlas

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Repositories linked to this paper

• jamie-cheung/lsast — marked official in Papers with Code; named in the paper
• Jamie-Cheung/LSAST

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Abstract

Artistic style transfer aims to transfer the learned artistic style onto an arbitrary content image, generating artistic stylized images. Existing generative adversarial network-based methods fail to generate highly realistic stylized images and always introduce obvious artifacts and disharmonious patterns. Recently, large-scale pre-trained diffusion models opened up a new way for generating highly realistic artistic stylized images. However, diffusion model-based methods generally fail to preserve the content structure of input content images well, introducing some undesired content structure and style patterns. To address the above problems, we propose a novel pre-trained diffusionbased artistic style transfer method, called LSAST, which can generate highly realistic artistic stylized images while preserving the content structure of input content images well, without bringing obvious artifacts and disharmonious style patterns. Specifically, we introduce a Step-aware and Layer-aware Prompt Space, a set of learnable prompts, which can learn the style information from the collection of artworks and dynamically adjusts the input images' content structure and style pattern. To train our prompt space, we propose a novel inversion method, called Step-ware and Layer-aware Prompt Inversion, which allows the prompt space to learn the style information of the artworks collection. In addition, we inject a pre-trained conditional branch of ControlNet into our LSAST, which further improved our framework's ability to maintain content structure. Extensive experiments demonstrate that our proposed method can generate more highly realistic artistic stylized images than the state-of-theart artistic style transfer methods. Code is available at https://github.com/Jamie-Cheung/LSAST.

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