无人机倾斜摄影测量在线路纵横断面测量中的应用研究

Research on Application of UAV Oblique Photogrammetry in Line Longitudinal and Cross-Section Surveying

为提高线路纵横断面测量效率,利用倾斜摄影测量技术构建实景三维模型,在模型上直接提取线路纵横断面,结果表明:10公里的纵横断面图测绘,用RTK实测至少需要7天,现用倾斜摄影测量技术仅需3天多,测绘效率高,且精度能满足要求,本研究可为线路纵横断面测量提供借鉴。

In order to improve the efficiency of line longitudinal and cross-section surveying,the oblique photogrammetry technology is used to construct a real three-dimensional model,and directly extract the line longitudinal and cross-section on the model.Results show that:it takes at least 7 days to survey and map the 10-km longitudinal and cross-section profile with RTK,while approximately 3 days with the current oblique photogrammetry technology,which has high surveying and mapping efficiency and compliant accuracy.This study can provide reference for line longitudinal and cross-section surveying.