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Dinh Tuan Nguyen

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Preprint Aug 2026

OpenBelief-Nav: Evidence-Preserving Object Memory for Open-Vocabulary Language-Guided Navigation

Open-vocabulary 3D scene graphs provide compact semantic memory for language-guided navigation, but mapped objects are often exposed through a single fused feature or committed semantic label. Such commitment can remove minority yet task-relevant hypotheses from the task-time interface. We present OpenBelief-Nav, an ev...

Dinh Tuan Nguyen, Anh Dao, Phuong Nam Dang et al. · 0 citations