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cs.CV2026
GHOST: Geometry-Constrained Hybrid Diffusion for Open-Vocabulary 3D Scene Graph Generation
Changqun Feng, Wangxiandi Yin, Xin Hu +4
3D scene graph generation requires understanding both object semantics and metric spatial relations. However, existing open-vocabulary methods often struggle with spatial predicate…
cs.CV2026
CoSAG: Compact Semantic Anchor Gaussians via Training-Free Rate-Distortion Coding
Yuang Jia, Jinlong Wang, Junhong Lin +2
Open-vocabulary 3D scene understanding is commonly achieved by embedding 2D vision-language features such as CLIP into a 3D Gaussian Splatting scene, turning it into a text-queryab…