融合无人机与相机影像的三维建模方法在古建筑保护中的应用.doc

融合无人机与相机影像的三维建模方法在古建筑保护中的应用


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　　摘 要：三维数字化重建已经成为古建筑保护的重要途径之一。无人机倾斜摄影测量技术数据采集范围大、效率高，但由于无人机的拍摄距离较远、存在阴影、建筑自身结构相互遮挡等很难精细、完整采集古建筑的三维数据信息。针对上述现状，文章提出融合无人机与相机影像的三维建模方法，以桂林市月岭古村牌坊为试验对象，采用该方法对牌坊完成了三维重建。试验结果证明该方法具备采集设备成本较低、现场数据采集全面、三维建模精度高等优势，在古建筑保护中有极高的应用价值。
　　关键词：三维重建;古建筑;无人机
　　中图分类号：TU18 文献标志码：A 文章编号：2095-2945（2020）26-0030-03
　　Abstract： 3D digital reconstruction has become one of the important ways to protect ancient buildings. The UAV tilt photo grammetry technology has the advantages of a wide range of data collection and high efficiency， but it is difficult to collect the 3D data information of ancient buildings precisely and completely because of the long shooting distance， shadow and mutual occlusion of the building structure. In view of the above situation， this paper proposes a three-dimensional modeling method which integrates UAV and camera images. Taking the ancient village archway of Yueling in Guilin as the experimental object， the archway has been reconstructed by this method. The experimental results show that this method has the advantages of low cost of acquisition equipment， comprehensive field data acquisition， and high precision of 3D modeling， thus having high application value in the protection