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《Science of Surveying and Mapping》 2011-01
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Grid compression method in center of gravity for LiDAR cloud data

LIU Lei①②,ZHANG Jian-xia②,ZHENG Zuo-ya①②(①Geomatics College,Shandong University of Science and Technology,Qingdao 266510,China;②Chinese Academy of Surveying and Mapping,Beijing 100039,China)  
This paper analyzed the status of the methods of data compression in data processing of cloud data both at home and abroad,after that put forward the method of grid compression in center of gravity based on the large cloud points and redundant information,and then introduced the principle of the method and implementation process.It obtained the result of compression and built the predicted model of grid compression in center of gravity that can be used in predicting the effect of grid compression in center of gravity through analyzing an actual example.
【Fund】: 国家高技术研究发展计划(863计划)重点项目(项目号2008AA121301)
【CateGory Index】: TN958
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