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      • KCI등재

        Fast 3D reconstruction method based on UAV photography

        Jiang-An Wang,Huang‐Te Ma,Chun-Mei Wang,Yong-Jie He 한국전자통신연구원 2018 ETRI Journal Vol.40 No.6

        3D reconstruction of urban architecture, land, and roads is an important part of building a “digital city.” Unmanned aerial vehicles (UAVs) are gradually replacing other platforms, such as satellites and aircraft, in geographical image collection; the reason for this is not only lower cost and higher efficiency, but also higher data accuracy and a larger amount of obtained information. Recent 3D reconstruction algorithms have a high degree of automation, but their computation time is long and the reconstruction models may have many voids. This paper decomposes the object into multiple regional parallel reconstructions using the clustering principle, to reduce the computation time and improve the model quality. It is proposed to detect the planar area under low resolution, and then reduce the number of point clouds in the complex area.

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