Object-Path Graphs Unify Open-Vocabulary Semantics and Topological Navigation, Skipping Dense Maps
zhenjun_zhao · x · 2026-09-22
- A new arXiv paper proposes the object-path graph, a topological representation unifying open-vocabulary semantic reasoning with topological navigation for vision-language agents.
- Object graphs handle semantic grounding while path graphs handle spatial traversal; navigation combines global path planning with lightweight node localization and semantic visual servoing, no dense metric reconstruction needed.
- Experiments on HM3D and Replica show competitive open-vocabulary grounding, validated further with real-world robot tests.
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