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Application of 3D visualization to the reconstruction of urban old districts |
| MA Jing1, LIU Xianglei2,3 |
1. Beijing Institute of Geo-Engineering and Exploration Beijing, Beijing 100048, China;
2. School of Surveying and Mapping Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
3. Key Laboratory for Urban Geomatics of National Administration of Surveying, Mapping and Geo-Information, Beijing 100044, China |
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Abstract The reconstruction of urban old districts has been implemented in many cities. In order to retain the three dimensional original status of the old district and develop the housebreaking policy for decision makers, the authors studied the method of three-dimensional modeling for demolition and relocation base with the aerial stereo pair image as the data source. With the known intrinsic and extrinsic parameters of the aerial stereo pair image, the DOM of the corresponding district was made by the LPS software. On the basis of the DOM, the DSM of the district was established by the Stereo Analyst model of ERDAS software. Meanwhile, texture extraction and mapping was done. At last, three dimensional visualization and analysis were made with the 3D Matrix software. The experimental results show that the proposed modeling method has a high speed and accuracy, and can quickly and accurately achieve the three-dimensional visualization of demolition and relocation base.
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| Keywords
cloud detection
remote sensing
visible infrared imager radiometer suite(VIIRS)
day and night band(DNB)
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Issue Date: 01 July 2014
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2014,
Vol. 26
