本文通过研究无人机摄影测量技术在大比例尺测图中的应用,阐述无人机航摄系统组成,探讨应用测图领域关键技术,利用无人机搭载倾斜摄影测量系统,采集高分辨率影像进行 1∶500 大比例尺地形图测制实验.经精度评定像片控制测量纠正、无人机低空摄影测量技术适用于大比例尺测图项目,能够满足精度要求,并且较传统大比例尺地形图测绘,提高了工作效率.
By studying the application of UAV photogrammetry technology in large-scale mapping,this paper expounds the composition of UAV aerial photogrammetry system,discusses the key technologies in the field of application mapping,and collects high-resolution images through UAV equipped with oblique photogrammetry system for 1:500 large-scale topographic map measurement experiment.The accuracy evaluation shows that after the photo control measurement correction,the UAV low-altitude photogrammetry technology is suitable for large-scale mapping projects,which can meet the accuracy requirements,and improve the work efficiency compared with the traditional large-scale topographic mapping.