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Smart city article details
| Title | Semantic Enrichment For Rooftop Modeling Using Aerial Lidar Reflectance |
|---|---|
| ID_Doc | 48223 |
| Authors | Tan T.; Chen K.; Lu W.; Xue F. |
| Year | 2019 |
| Published | 2019 IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2019 |
| DOI | http://dx.doi.org/10.1109/ICSPCC46631.2019.8960769 |
| Abstract | As demanded by smart city applications, the recognition and enrichment of urban semantics from unstructured spatial big data became an emerging trend for the development of building information model (BIM) and city information model (CIM). Rooftop constructs the essential part of BIM and CIM and loads various new application practices and scenarios. The recognition and enrichment of rooftop elements represent the trending requirements. This study develops a new approach for semantic enrichment of aerial Light Detection and Ranging (LiDAR) point clouds. In this paper, machine learning models such as decision tree are applied to predict green roof elements based on the geometry and laser reflectance, and was validated in a pilot zone in the main campus of The University of Hong Kong. The recognized rooftop elements could provide a solid foundation for further research, such as rooftop landscape, rooftop energy, rooftop farming. © 2019 IEEE. |
| Author Keywords | Building information model; City information model; Decision tree; LiDAR reflectance; Rooftop |
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