Existing 3D large language models (LLMs) compromise on two fronts: they compress shapes into latent codebook indices or coordinate text, which removes spatial structure from what the model observes, and they acquire the 3D modality by fine-tuning the backbone, which overwrites its general language ability. We present O...
Ran Dan, Si-Tong Wei, Peng-Fei Xiong et al.· 0 citations
Video models commonly use uniform grids even though visual complexity varies substantially across space and time. We introduce OctVideo, which approximates a video clip with an octree. This hierarchy recursively partitions a spatio-temporal volume into eight subvolumes, so that smooth regions remain coarse while detail...
Run-Gui Zhou, Chuan-Pei Zhou, Yuk-Kit Hou et al.· 0 citations
Raw 3D point clouds are a core geometric representation. Establishing their ownership is challenging because point sets are irregular, unstructured, and frequently altered by resampling and geometric preprocessing. We present a blind watermarking framework that operates directly on xyz coordinates and supports both obj...
Run-Gui Zhou, Chuan-Pei Zhou, Rui-Huan Wang et al.· 0 citations
Centroidal Voronoi tessellation (CVT) is a fundamental primitive for high-quality surface sampling and isotropic remeshing in computer graphics. However, computing surface CVTs with classical solvers remains expensive: each optimization step repeatedly constructs restricted Voronoi diagrams (RVDs) and integrates quanti...
This paper proposes CVT-GS, a novel optimization-free post-hoc simplification framework that directly compresses trained 3DGS scenes without sacrificing visual fidelity and outputs a standard 3DGS scene that is seamlessly compatible with existing renderers.
Bing-Xian Li, Yi-Long Li, Jing-Liang Peng et al.· 0 citations
StateFlow is presented, a state-centric framework for generative previsualization that uses an editable 3D world to organize scene structure, evolution, and cameras, while off-the-shelf video models enhance visual quality when higher fidelity is desired.
Yuyang Yin, Zixiang Li, Longxiulin Deng et al.· 1 citation
This work presents a training-free multi-agent system that edits existing 3D meshes directly in Blender by emulating the iterative workflow of human artists, and views this work as an exploratory step toward visual-centric agentic geometry editing in professional graphics software.
Bo Pang, Jiaqi Pan, Xiao-Chen Zhang et al.· 0 citations
An Agent-centric Domain-Specific Language (aDSL) and a role-specialized multi-agent system to close the gap between programmatic interfaces and reasoning strengths of LLMs, which favor semantic structure and spatial relations over fragile numeric choices.
Rui-Huan Wang, Si-Tong Wei, Jia-Qi He et al.· 2 citations
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