Ouroboros3D: Image-to-3D Generation via 3D-aware Recursive Diffusion

• URL: http://arxiv.org/abs/2406.03184v1
• Date: Wed, 5 Jun 2024 12:15:22 GMT
• Title: Ouroboros3D: Image-to-3D Generation via 3D-aware Recursive Diffusion
• Authors: Hao Wen, Zehuan Huang, Yaohui Wang, Xinyuan Chen, Yu Qiao, Lu Sheng,
• Abstract summary: Existing single image-to-3D creation methods typically involve a two-stage process. We introduce a unified 3D generation framework, named Ouroboros3D, which integrates multi-view image generation and 3D reconstruction.
• Score: 43.07285784556328
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Existing single image-to-3D creation methods typically involve a two-stage process, first generating multi-view images, and then using these images for 3D reconstruction. However, training these two stages separately leads to significant data bias in the inference phase, thus affecting the quality of reconstructed results. We introduce a unified 3D generation framework, named Ouroboros3D, which integrates diffusion-based multi-view image generation and 3D reconstruction into a recursive diffusion process. In our framework, these two modules are jointly trained through a self-conditioning mechanism, allowing them to adapt to each other's characteristics for robust inference. During the multi-view denoising process, the multi-view diffusion model uses the 3D-aware maps rendered by the reconstruction module at the previous timestep as additional conditions. The recursive diffusion framework with 3D-aware feedback unites the entire process and improves geometric consistency.Experiments show that our framework outperforms separation of these two stages and existing methods that combine them at the inference phase. Project page: https://costwen.github.io/Ouroboros3D/

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