FlashTex: Fast Relightable Mesh Texturing with LightControlNet
CoRR(2024)
摘要
Manually creating textures for 3D meshes is time-consuming, even for expert
visual content creators. We propose a fast approach for automatically texturing
an input 3D mesh based on a user-provided text prompt. Importantly, our
approach disentangles lighting from surface material/reflectance in the
resulting texture so that the mesh can be properly relit and rendered in any
lighting environment. We introduce LightControlNet, a new text-to-image model
based on the ControlNet architecture, which allows the specification of the
desired lighting as a conditioning image to the model. Our text-to-texture
pipeline then constructs the texture in two stages. The first stage produces a
sparse set of visually consistent reference views of the mesh using
LightControlNet. The second stage applies a texture optimization based on Score
Distillation Sampling (SDS) that works with LightControlNet to increase the
texture quality while disentangling surface material from lighting. Our
pipeline is significantly faster than previous text-to-texture methods, while
producing high-quality and relightable textures.
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