NeRF-Art: Text-Driven Neural Radiance Fields Stylization

• URL: http://arxiv.org/abs/2212.08070v1
• Date: Thu, 15 Dec 2022 18:59:58 GMT
• Title: NeRF-Art: Text-Driven Neural Radiance Fields Stylization
• Authors: Can Wang and Ruixiang Jiang and Menglei Chai and Mingming He and Dongdong Chen and Jing Liao
• Abstract summary: We present NeRF-Art, a text-guided NeRF stylization approach that manipulates the style of a pre-trained NeRF model with a simple text prompt. We show that our method is effective and robust regarding both single-view stylization quality and cross-view consistency.
• Score: 38.3724634394761
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with both the appearance and the geometry altered simultaneously. In this paper, we present NeRF-Art, a text-guided NeRF stylization approach that manipulates the style of a pre-trained NeRF model with a simple text prompt. Unlike previous approaches that either lack sufficient geometry deformations and texture details or require meshes to guide the stylization, our method can shift a 3D scene to the target style characterized by desired geometry and appearance variations without any mesh guidance. This is achieved by introducing a novel global-local contrastive learning strategy, combined with the directional constraint to simultaneously control both the trajectory and the strength of the target style. Moreover, we adopt a weight regularization method to effectively suppress cloudy artifacts and geometry noises which arise easily when the density field is transformed during geometry stylization. Through extensive experiments on various styles, we demonstrate that our method is effective and robust regarding both single-view stylization quality and cross-view consistency. The code and more results can be found in our project page: https://cassiepython.github.io/nerfart/.

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