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Developing and Valuating 3D Building Models Based on Multi Sensor Data (LiDAR, Digital Image and Digital Map)  

Wie, Gwang-Jae (한진정보통신(주) GIS사업부문.성균관대 건설환경시스템공학과)
Kim, Eun-Young (한진정보통신(주) GIS사업부문)
Yun, Hong-Sic (성균관대 건설환경시스템공학과)
Kang, In-Gu (국토지리정보원 공간영상과 영상담당.서울시립대학교 공간정보공학과)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.25, no.1, 2007 , pp. 19-30 More about this Journal
Abstract
Modeling 3D buildings is an essential process to revive the real world into a computer. There are two ways to create a 3D building model. The first method is to use the building layer of 1:1000 digital maps based on high density point data gained from airborne laser surveying. The second method is to use LiDAR point data with digital images achieved with LiDAR. In this research we tested one sheet area of 1:1000 digital map with both methods to process a 3D building model. We have developed a process, analyzed quantitatively and evaluated the efficiency, accuracy, and reality. The resulted differed depending on the buildings shape. The first method was effective on simple buildings, and the second method was effective on complicated buildings. Also, we evaluated the accuracy of the produced model. Comparing the 3D building based on LiDAR data and digital image with digital maps, the horizontal accuracy was within ${\pm}50cm$. From the above we derived a conclusion that 3D building modeling is more effective when it is based on LiDAR data and digital maps. Using produced 3D building modeling data, we will be utilized as digital contents in various fields like 3D GIS, U-City, telematics, navigation, virtual reality and games etc.
Keywords
3D Building Construction; Building Modeling; Multi Sensor; Building Layer; LiDAR Data;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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