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《Engineering of Surveying and Mapping》 2010-06
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Key step analysis of extraction DEM based on LiDAR data

JIN Ke-qiang1,2,GONG Zhi-hui1,WANG Bo1,TANG Zhi-qiang2(1.Institute of Surveying and Mapping,Information and Engineering University,Zhengzhou 450052,China;2.96633 Troops,Beijing 100096,China)  
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.
【CateGory Index】: P225.2
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【Citations】
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