Get 3D scene by ray-tracing for volume rendering of 3D Gaussians with GOF
Get 3D scene by ray-tracing for volume rendering of 3D Gaussians with GOF
Gaussian Opacity Fields: Efficient and Compact Surface Reconstruction in Unbounded Scenes
arXiv paper abstract https://arxiv.org/abs/2404.10772
arXiv PDF paper https://arxiv.org/pdf/2404.10772.pdf
... 3D Gaussians for surface reconstruction poses significant challenges due to the explicit and disconnected nature of 3D Gaussians.
... present Gaussian Opacity Fields (GOF), a novel approach for efficient, high-quality, and compact surface reconstruction in unbounded scenes.
... GOF is ... from ray-tracing-based volume rendering of 3D Gaussians, enabling ... geometry extraction from 3D Gaussians by identifying its levelset, without ... Poisson reconstruction or TSDF fusion
... approximate the surface normal of Gaussians as the normal of the ray-Gaussian intersection plane, enabling the application of regularization that ... enhances geometry.
... develop an efficient geometry extraction method utilizing marching tetrahedra, where the tetrahedral grids are induced from 3D Gaussians and thus adapt to the scene's complexity.
... GOF surpasses existing 3DGS-based methods in surface reconstruction ... compares favorably ... or ... outperforms, neural implicit methods in both quality and speed.
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