SyncDreamer: Generating Multiview-consistent Images from a Single-view Image

Published: 16 Jan 2024, Last Modified: 18 Mar 2024ICLR 2024 spotlightEveryoneRevisionsBibTeX
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Keywords: diffusion model; single-view reconstruction; 3D generation; generative models
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TL;DR: SyncDreamer is able to generate multiview-consistent images for single-view 3D reconstruction of arbitary objects.
Abstract: In this paper, we present a novel diffusion model called SyncDreamer that generates multiview-consistent images from a single-view image. Using pretrained large-scale 2D diffusion models, recent work Zero123 demonstrates the ability to generate plausible novel views from a single-view image of an object. However, maintaining consistency in geometry and colors for the generated images remains a challenge. To address this issue, we propose a synchronized multiview diffusion model that models the joint probability distribution of multiview images, enabling the generation of multiview-consistent images in a single reverse process. SyncDreamer synchronizes the intermediate states of all the generated images at every step of the reverse process through a 3D-aware feature attention mechanism that correlates the corresponding features across different views. Experiments show that SyncDreamer generates images with high consistency across different views, thus making it well-suited for various 3D generation tasks such as novel-view-synthesis, text-to-3D, and image-to-3D. Project page:
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Primary Area: generative models
Submission Number: 1175