ViewDiff: 3D-Consistent Image Generation with Text-to-Image Models
- URL: http://arxiv.org/abs/2403.01807v2
- Date: Mon, 29 Jul 2024 06:29:09 GMT
- Title: ViewDiff: 3D-Consistent Image Generation with Text-to-Image Models
- Authors: Lukas Höllein, Aljaž Božič, Norman Müller, David Novotny, Hung-Yu Tseng, Christian Richardt, Michael Zollhöfer, Matthias Nießner,
- Abstract summary: We present a method that learns to generate multi-view images in a single denoising process from real-world data.
We design an autoregressive generation that renders more 3D-consistent images at any viewpoint.
- Score: 65.22994156658918
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: 3D asset generation is getting massive amounts of attention, inspired by the recent success of text-guided 2D content creation. Existing text-to-3D methods use pretrained text-to-image diffusion models in an optimization problem or fine-tune them on synthetic data, which often results in non-photorealistic 3D objects without backgrounds. In this paper, we present a method that leverages pretrained text-to-image models as a prior, and learn to generate multi-view images in a single denoising process from real-world data. Concretely, we propose to integrate 3D volume-rendering and cross-frame-attention layers into each block of the existing U-Net network of the text-to-image model. Moreover, we design an autoregressive generation that renders more 3D-consistent images at any viewpoint. We train our model on real-world datasets of objects and showcase its capabilities to generate instances with a variety of high-quality shapes and textures in authentic surroundings. Compared to the existing methods, the results generated by our method are consistent, and have favorable visual quality (-30% FID, -37% KID).
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