河北水利电力学院学报2024，Vol.34Issue(1)：81-86,6.DOI:10.16046/j.cnki.issn2096-5680.2024.01.014
一种基于渐进形态学滤波的DEM生成方法
A DEM Generation Method Based on Progressive Morphological Filter
吴菁钏 1刘年涛1
作者信息
- 1. 杭州市勘测设计研究院有限公司,杭州市西湖区文三路15号 310012
- 折叠
摘要
Abstract
In order to find a new production method for DEM and improve the updating efficiency of city DEM,this paper proposes a new method to filter non-ground elevation points from ground elevation points in DSM by progressive morphological filter.The ground elevation points are then triangulated to Delaunay triangulation and the DEM is generated by intersecting rays with the Delaunay triangulation.The experiment shows that the proposed method not only generates DEM effectively,but also generates DEM with great precision,proving that it has important practical value.In conclusion,the proposed algorithm is technically feasible and it can improve the utilization rate of drone DSM to promote the renewal of city DSM.关键词
DSM/DEM/形态学滤波/网格采样Key words
DSM/DEM/progressive morphological filter/grid sampling分类
信息技术与安全科学引用本文复制引用
吴菁钏,刘年涛..一种基于渐进形态学滤波的DEM生成方法[J].河北水利电力学院学报,2024,34(1):81-86,6.
