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arXiv · 2602.04152

MA3DSG: Multi-Agent 3D Scene Graph Generation for Large-Scale Indoor Environments

Yirum Kim·Jaewoo Kim·Ue-Hwan Kim
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Abstract

Current 3D scene graph generation (3DSGG) approaches heavily rely on a single-agent assumption and small-scale environments, exhibiting limited scalability to real-world scenarios. In this work, we introduce Multi-Agent 3D Scene Graph Generation (MA3DSG) model, the first framework designed to tackle this scalability challenge using multiple agents. We develop a training-free graph alignment algorithm that efficiently merges partial query graphs from individual agents into a unified global scene graph. Leveraging extensive analysis and empirical insights, our approach enables conventional single-agent systems to operate collaboratively without requiring any learnable parameters. To rigorously evaluate 3DSGG performance, we propose MA3DSG-Bench-a benchmark that supports diverse agent configurations, domain sizes, and environmental conditions-providing a more general and extensible evaluation framework. This work lays a solid foundation for scalable, multi-agent 3DSGG research.

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Yirum Kim, Jaewoo Kim, Ue-Hwan Kim. 2026-02-04. MA3DSG: Multi-Agent 3D Scene Graph Generation for Large-Scale Indoor Environments. https://arxiv.org/abs/2602.04152

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