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《Geomatics & Spatial Information Technology》 2009-03
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Discussion on the Characteristics of LIDAR Data and Its Classification Algorithm

GUAN Fu-xing,LI Fang-wei(Harbin Lannuo Digital Co.,Ltd.,Harbin 150090,China)  
The main application of light detection and ranging point cloud is the production Digital Elevation Model(DEM).Before producing DEM we must carry on a non-ground filtration because the light detection and ranging point cloud includes ground and non-ground points.In the overseas many research literature proposed the completely automatic or the semiautomatic method to filter the object point,and retain the ground point to produce the digital elevation model.
【CateGory Index】: P208
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