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Title	A Geometric Registration Method For The 3D Building Models Generated From Oblique Photogrammetry And Building Information Modeling
ID_Doc	1943
Authors	Tian Y.; Cui H.; Feng Y.; Zhao Z.
Year	2023
Published	Proceedings of SPIE - The International Society for Optical Engineering, 12797
DOI	http://dx.doi.org/10.1117/12.3007522
Abstract	The construction of three-dimensional models of buildings is a significant aspect of smart city development. This paper focuses on achieving high-precision fusion of outdoor three-dimensional models and indoor BIM (Building Information Modeling) models of buildings. To accomplish this, a technical process and method for the geometric space registration of indoor and outdoor three-dimensional models of buildings are proposed, utilizing the fusion of UAV (Unmanned Aerial Vehicle) oblique photography and BIM models. Additionally, a three-dimensional space similarity transformation module is developed using the open-source secondary development tool, Skyline. The experiments conducted demonstrate that the proposed method enables automatic geometric registration of the UAV oblique photography building outdoor three-dimensional model and BIM indoor three-dimensional building model. This approach overcomes the limitations of traditional indoor and outdoor three-dimensional model fusion, which lacked an automatic and high-precision geometric registration method. © 2023 SPIE.
Author Keywords	coordinate transformation; model combination; oblique photography; spatial similar transformation; three-dimensional modeling

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