地理空间信息2024，Vol.22Issue(8)：12-14,3.DOI:10.3969/j.issn.1672-4623.2024.08.003
航天正射影像路桥扭曲变形自动检测方法
Automatic Detection Method of Distortion and Deformation Points of Road and Bridge in Aerospace Orthophoto
摘要
Abstract
Aiming at the problem of road and bridge distortion commonly existed in the production of high resolution satellite orthophoto image,we proposed an automatic detection method of road and bridge distortion assisted by image incidence parameters.Firstly,we used the road vector to determine the direction of road,and obtained the sampling points equidistant.Then,we used the image incidence parameters and the reference digital elevation model(DEM)to calculate the point consistency offset ratio between the sampling points.The larger the ratio,the greater the probability of road bridge deformation near the point,and thus the road bridge deformation area is determined.The experimental results show that the proposed method can quickly and accurately locate the suspected deformation area with high degree of automation,and its efficiency is 10 times higher than that of manual verification.关键词
扭曲变形/道路偏移/光线参数Key words
distortion/road offset/light parameter分类
天文与地球科学引用本文复制引用
林超..航天正射影像路桥扭曲变形自动检测方法[J].地理空间信息,2024,22(8):12-14,3.基金项目
广东省"十四五"基础测绘专项基金资助项目(20211610). （20211610）
