GRM

GRM is a large-scale Gaussian reconstruction model for high-quality and efficient 3D reconstruction and generation.

CommonProductDesign3D Reconstruction3D Generation
GRM is a large-scale reconstruction model that can recover 3D assets from sparse view images in 0.1 seconds and achieve generation in 8 seconds. It is a feed-forward Transformer-based model that can efficiently fuse multi-view information to convert input pixels into pixel-aligned Gaussian distributions. These Gaussian distributions can be back-projected into a dense 3D Gaussian distribution collection representing the scene. Our Transformer architecture and the use of 3D Gaussian distributions unlock a scalable and efficient reconstruction framework. Extensive experimental results demonstrate that our method surpasses other alternatives in terms of reconstruction quality and efficiency. We also showcase GRM's potential in generation tasks (such as text-to-3D and image-to-3D) by combining it with existing multi-view diffusion models.
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