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Smart city article details

Title	Geometric Object Based Building Reconstruction From Satellite Imagery Derived Point Clouds
ID_Doc	27950
Authors	Li Z.; Xu B.; Shan J.
Year	2019
Published	International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 42, 2/W13
DOI	http://dx.doi.org/10.5194/isprs-archives-XLII-2-W13-73-2019
Abstract	3D building models are needed for urban planning and smart city. These models can be generated from stereo aerial images, satellite images or LiDAR point clouds. In this paper, we propose a geometric object-based building reconstruction method from satellite imagery derived point clouds. The goal is to achieve a geometrically correct, topologically consistent, and non-redundant 3D representation for buildings in urban areas. The paper first introduces our motivation, followed by a comprehensive review on related works. We then introduce the methodology and process developed in this paper. Primary results from the point clouds generated from WorldView high resolution satellite images are used to demonstrate the performance of the approach. © Authors 2019.
Author Keywords	Building reconstruction; Point cloud; Polygon decomposition; Primitive library; Rectilinearization; Satellite images

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