地理空间信息2024，Vol.22Issue(5)：57-61,5.
丘陵地DEM建模精度受像控点空间分布影响研究
Research on the Accuracy of Hilly DEM Modeling Influenced by the Spatial Distribution of Ground Control Points
摘要
Abstract
In order to explore the spatial distribution influence of ground control points on the accuracy of hilly DEM modeling,we used UAV photogrammetry technology to conduct DEM modeling experiment on a 6.25 hm2 hilly area,and studied the relationship between DEM modeling accuracy and the spatial distribution of ground control points by using a variety of different ground control point plane and elevation distribution methods in the process of pricking points.The results show that under the same experimental condition,the plane distribution method of"edge+center"and the elevation distribution method of"elevation ladder combination"can obtain higher modeling accuracy.The spatial distribution scheme of ground control points can be optimized by referring to the above results in practical applications.关键词
丘陵地测量/DEM/像控点布设/近地摄影测量Key words
hilly measurement/DEM/ground control point distribution/near-ground photogrammetry分类
天文与地球科学引用本文复制引用
朱鹏程..丘陵地DEM建模精度受像控点空间分布影响研究[J].地理空间信息,2024,22(5):57-61,5.基金项目
陕西铁路工程职业技术学院2021年第二批科研基金研究生专项资助项目(KY2021-58). （KY2021-58）
