融合普通相机影像的古建筑实景三维建模技术研究  

Research on 3D Modeling Technology of Ancient Architecture Based on Common Camera Images

作　　者：李碧裕 贺青云 LI Biyu;HE Qingyun(Ningbo Fenghua District Planning,Surveying and Mapping Design Institute,Ningbo 315500,China)

机构地区：[1]宁波市奉化区规划测绘设计院,浙江宁波315500

出　　处：《城市勘测》2024年第1期52-54,59,共4页Urban Geotechnical Investigation & Surveying

摘　　要：在采集古建筑物的三维空间数据时,无人机近景摄影测量可以获取目标物真实的纹理信息和空间及语义信息,但是由于其影像畸变大,受误匹配影响粗差点多,因此实景三维模型极易出现扭曲、拉花等问题。本文应用低空交叉环绕进行古建筑近景影像数据采集,再通过普通相机拍摄一定数量细节特征影像,最后将普通相机辅助下细节特征数据和无人机低空摄影测量进行融合。研究结果表明融合普通相机数据能够更真实还原古建筑物几何构造,显著提升模型细节特征精度,对文保部门建立文化遗产基础地理信息数据库具有参考价值。When collecting three-dimensional spatial data of ancient buildings,UAV close-range photogrammetry can obtain the real texture information and spatial and semantic information of the target object.However,due to its large image distortion and much rough and heavy impact of mismatching,the real three-dimensional model is prone to distortion,pull and other problems.In this paper,low-altitude cross surround is used to collect close-range image data of ancient buildings,and then a certain number of detailed feature images are shot by an ordinary camera.Finally,detailed feature data assisted by an ordinary camera is integrated with low-altitude photogrammetry of unmanned aerial vehicle.The research results show that the fusion of common camera data can more truly restore the geometric structure of ancient buildings,significantly improve the accuracy of model details,and have important reference value for the cultural protection department to establish the basic geographic information database of cultural heritage.

关 键 词：古建筑 实景三维模型 低空交叉环绕 普通相机 

分 类 号：P234[天文地球—摄影测量与遥感]