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《Science of Surveying and Mapping》 2010-04
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Method of extraction road information in LIDAR data based on the existing knowledge of asymptotic mathematical morphology

ZHANG Zhi-wei,LIU Zhi-gang(Traffic Institute of Southeast University,Nanjing 210096,China)  
To avoid the terrain distortion caused by the interpolation and limited to local analysis or network configuration,and to ensure simple,convenient and fast operation no matter with technology or equipment and instruments by making a statistical analysis for the tested road to access a priori knowledge of the road,a new method about concentratively extracting road information among the original discrete points based on the existing knowledge of mathematical morphology classification was introduced,which was brought up from a variety methods of filtering and classification of LIDAR data.The results showed that it provided a way for reference in the exploration of using LIDAR data in traffic engineering and speeding up road information technology construction.
【CateGory Index】: P231
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