Taking the expansion engineering project of Sichuan-Shaanxi border to Guangyuan section on G5 Beijing-Kunming Expressway as an example,this paper analyzes the general situation of the project and geography,focuses on the analysis of the flight data acquisition process and the image control point layout,photo annotation and supplementary measurement,and puts forward the control measures and key points of photography quality,including flight quality control and photography quality control.Through analysis,it is concluded that the application of aerial photogrammetry technology in the road measurement work can obtain a large amount of data information in a short time,improve the measurement accuracy and efficiency,and save manpower,material resources and time costs.
road expansionsurvey and designlaser aerial photogrammetry
NETL
NSTL
万方数据
