基于PixelGrid系统的DEM自动匹配后处理关键技术研究

The Key Technology Research on Post-processing of DEM Automatic Matching Based on PixelGrid System

通过数字摄影测量方法来快速自动生成DEM是现阶段最为高效的DEM制作方法。而基于自动匹配技术匹配后快速生产DEM成果是最为耗时,也是最能有提升效率的生产过程。本文通过对PixelGrid系统自动匹配DEM结果精度的评估、分析,阐述DEM自动匹配后处理的主要流程及关键技术。

Through digital photogrammetry method to fast automatic generating DEM is the most efficient method of DEM production.But DEM matching post-processing is the most time consuming,and the most efficient room to improve production process.This paper state the main process and key technology of DEM Automatic Matching post-processing Through the accuracy assessment and analysis of DEM Automatic Matching results Based on Pixel Grid.