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Author

Dong-Li Wu

2 papers indexed here

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Preprint Sep 2026

CitySTAR: Structured and Topology-Aware Reasoning for Open-Vocabulary Urban 3D Grounding

3D grounding aims to localize target entities in complex scenes from natural language and plays a fundamental role in embodied perception and spatial reasoning. However, existing approaches mostly rely on feature similarity or direct matching, making it difficult to connect natural-language intent with the implicit sem...

Shuai Zhang, Hong-Ye Hou, Qing-He Liu et al. · 0 citations
Preprint Sep 2026

SkyAnchor: Updating Metric-scale Aerial 3D Gaussian Scenes from Unposed Ground-View Sequences

We study how to update a pre-built aerial scene with a newly captured, unposed ground-view sequence. The aerial scene already contains a reliable metric Structure-from-Motion (SfM) reconstruction and a pre-trained 3D Gaussian Splatting (3DGS) model, whereas the ground-view sequence is collected later to add street-leve...

Zhuo-Xiao Li, Xin-Yi Liu, Tao-Yu Wu et al. · 0 citations

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