3DDesigner: Towards Photorealistic 3D Object Generation and Editing with Text-guided Diffusion Models

• URL: http://arxiv.org/abs/2211.14108v3
• Date: Thu, 12 Oct 2023 08:05:18 GMT
• Title: 3DDesigner: Towards Photorealistic 3D Object Generation and Editing with Text-guided Diffusion Models
• Authors: Gang Li, Heliang Zheng, Chaoyue Wang, Chang Li, Changwen Zheng, Dacheng Tao
• Abstract summary: We equip text-guided diffusion models to achieve 3D-consistent generation. We study 3D local editing and propose a two-step solution. We extend our model to perform one-shot novel view synthesis.
• Score: 71.25937799010407
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Text-guided diffusion models have shown superior performance in image/video generation and editing. While few explorations have been performed in 3D scenarios. In this paper, we discuss three fundamental and interesting problems on this topic. First, we equip text-guided diffusion models to achieve 3D-consistent generation. Specifically, we integrate a NeRF-like neural field to generate low-resolution coarse results for a given camera view. Such results can provide 3D priors as condition information for the following diffusion process. During denoising diffusion, we further enhance the 3D consistency by modeling cross-view correspondences with a novel two-stream (corresponding to two different views) asynchronous diffusion process. Second, we study 3D local editing and propose a two-step solution that can generate 360-degree manipulated results by editing an object from a single view. Step 1, we propose to perform 2D local editing by blending the predicted noises. Step 2, we conduct a noise-to-text inversion process that maps 2D blended noises into the view-independent text embedding space. Once the corresponding text embedding is obtained, 360-degree images can be generated. Last but not least, we extend our model to perform one-shot novel view synthesis by fine-tuning on a single image, firstly showing the potential of leveraging text guidance for novel view synthesis. Extensive experiments and various applications show the prowess of our 3DDesigner. The project page is available at https://3ddesigner-diffusion.github.io/.

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