Key step analysis of extraction DEM based on LiDAR data
Zhiqiang Tang · Engineering of Surveying and Mapping · 2010
The paper analyses the key step extraction DEM from Airborne-LiDAR data in detail,and the key step including LiDAR point cloud data preprocessing,the data filtering,DEM structure model and DEM quality assessment.And it is also provided a fast,efficient,exact data processing scheme.