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DreamCraft3D: Hierarchical 3D Generation with Bootstrapped Diffusion Prior paper page: present DreamCraft3D, a hierarchical 3D content generation method that produces high-fidelity and coherent 3D objects. We tackle the problem by leveraging a 2D reference image to guide the stages of geometry sculpting and texture boosting. A central focus of... this work is to address the consistency issue that existing works encounter. To sculpt geometries that render coherently, we perform score distillation sampling via a view-dependent diffusion model. This 3D prior, alongside several training strategies, prioritizes the geometry consistency but compromises the texture fidelity. We further propose Bootstrapped Score Distillation to specifically boost the texture. We train a personalized diffusion model, Dreambooth, on the augmented renderings of the scene, imbuing it with 3D knowledge of the scene being optimized. The score distillation from this 3D-aware diffusion prior provides view-consistent guidance for the scene. Notably, through an alternating optimization of the diffusion prior and 3D scene representation, we achieve mutually reinforcing improvements: the optimized 3D scene aids in training the scene-specific diffusion model, which offers increasingly view-consistent guidance for 3D optimization. The optimization is thus bootstrapped and leads to substantial texture boosting. With tailored 3D priors throughout the hierarchical generation, DreamCraft3D generates coherent 3D objects with photorealistic renderings, advancing the state-of-the-art in 3D content generation.show more

AK

504,411 subscribers

161,530 views • 2 years ago •via X (Twitter)

Education Science & Technology

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8 Comments

Jingxiang Sun2 years ago

Thanks a lot😀 Project: Paper: Code:

italiandragon.bsky.social2 years ago

Congrats, you just discovered photogrammetry, somethimg that's been a thing for what ? 120 years ? The concept itself dates back to the mid 1800's. Do you want a piece of candy and a pat on the back to tell you you did good for discovering what's already a thing ?

Desperado Dave2 years ago

Blender is free and 3D modeling tutorials are free on youtube.

Hakan2 years ago

niiiiiice. How cool is that please

Noctre2 years ago

This could be combined with the recent NVidia research for mesh optimization, also the output quality is insane, amazing work

revolver ocelot2 years ago

@camenduru going to make the colab?

Janine Murdock 🐀2 years ago

Looks like shit

Sygma2 years ago

When is the collab version?

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