公路地形图测绘中遥感影像点云匹配技术应用分析

Application analysis of point cloud matching technology of remote sensing image in highway topographic mapping

公路地形图测绘是公路施工的重要环节,能够为公路建设进行前提路线规划,为路线设计提供精准的参考依据。地形图测绘工期紧且任务重,对测绘精度提出了较高的要求,采用遥感影像点云匹配技术可提高测绘效率,满足测图需求,通过影像匹配和特征点检测,实现云匹配技术的有效应用,改进公路地形图测绘方式。

Highway topographic mapping is an important part of highway construction,which can provide accurate reference for highway construction and route planning. The time limit of topographic mapping is tight and the task is heavy,which puts forward higher requirements for the mapping accuracy. Using remote sensing image point cloud matching technology can improve the mapping efficiency and meet the mapping requirements. Through image matching and feature point detection,the effective application of cloud matching technology can be realized,and the mapping method of highway topographic map can be improved.