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Title: Generation of 3D building models from archived city area maps by fusing information from multiple sources
Authors: Dong, Chaoqun
Martel, Roman
Chen, Kan
Johan, Henry
Erdt, Marius
Keywords: Engineering::Computer science and engineering::Computing methodologies::Image processing and computer vision
Engineering::Computer science and engineering::Computing methodologies::Simulation and modeling
Issue Date: 2019
Publisher: Nanyang Technological University
Source: Dong, C., Martel, R., Chen, K., Johan, H., & Erdt, M. (2019). Generation of 3D building models from archived city area maps by fusing information from multiple sources. Nanyang Technological University.
Abstract: This paper proposes a pipeline for the automatic generation of 3D building models for city areas based on information from archived city area maps. These maps are typically created and archived by city authorities for several decades. As such, they exhibit several challenging properties like a mixture of handwritings and typewriter font styles, varying layouts and notation standards, low contrast and physical damages. To tackle these challenges, we propose to extract and fuse information from multiple sources. In the proposed pipeline, we firstly locate and extract text content within the city area maps to obtain the essential information to identify described buildings. Secondly, based on this information, we retrieve the building height information and addresses from a public housing database. Then, we extract the building shape and size information on the basis of the obtained addresses through an online map API. Lastly, utilizing all the acquired building information, we generate 3D models of the buildings and their neighborhoods in the CityGML LOD1 format. The whole pipeline and its individual components are tested on a dataset of city area maps provided by city authorities.
Rights: © 2019 Nanyang Technological University and Fraunhofer Singapore
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:Fraunhofer Singapore Working Papers

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