Link软件在数字高程模型生产中的应用分析  

Analysis of the Application of Link Software in the Production of Digital Elevation Model

作　　者：于淼 YU Miao(Shenyang Survey and Mapping Research Institute Co.,Ltd.,Shenyang,Liaoning Province,110000 China)

机构地区：[1]沈阳市勘察测绘研究院有限公司,辽宁沈阳110000

出　　处：《科技资讯》2025年第6期56-58,共3页Science & Technology Information

摘　　要：数字高程模型(Digital Elevation Model,DEM)是基础地理信息的重要组成部分。通过介绍Link的概述和功能来阐述其在滤镜处理上的优势,并结合实际案例,对不同地形条件下软件的滤波效果、处理效率等方面进行了比较分析。结果显示,Link软件可以从数字表面模型(Digital Surface Model,DSM)中有效提取高精度的DEM,在不同地形形态下的适应能力更好;还可以对不同地形的适用滤波方法进行总结,为相关研究和生产人员提供了参考依据。Digital elevation model(DEM)is an important part of basic geographic information.By introducing the overview and functions of Link,this article illustrates its advantages in filter processing.Combined with practical cases,the filtering effect and processing efficiency of the software under different terrain conditions are compared and analyzed.The results show that Link software can effectively extract high-precision DEM from digital surface model(DSM)and has better adaptability in different terrain forms,and it can also summarize the suitable filtering methods of different terrain,which provides reference for related research and production personnel.

关 键 词：数字高程模型 Link软件 滤波处理 地形适应性 提取精度 

分 类 号：P237[天文地球—摄影测量与遥感]