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Author

Zhihang Yao

2 papers indexed here

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Open access Sep 2026

From CityGML to I3S: An Empirical Evaluation of Open-Source Conversion Workflows for Interoperable 3D City Models

No documented, reproducible open-source workflow exists for converting CityGML data from a 3D City Database (3DCityDB) instance into functional Indexed 3D Scene Layer (I3S) Scene Layer Packages (SLPK). This study addresses that gap through systematic empirical evaluation of two conversion architectures tested across fo...

Chukwuma Ugwu, Zhi-Hang Yao · 0 citations
Open access Aug 2026

Design and Implementation of an AR System for Real-Time Urban Model Editing and Visualization

A full-stack, multi-level architecture that bridges Microsoft HoloLens 2 AR visualization with a CityGML/3DCityDB geospatial backend via a Django middleware layer and enabling voice-based commands would significantly improve usability on HoloLens 2, where typing is inconvenient for most users.

Cephas B. Mwimangire, M. Hosseingholizadeh, H. Ostadabbas et al. · 0 citations

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