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《Acta Geodaetica et Cartographica Sinica》 2008-01
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Reducing Vehicle Tracking Data Volume through a Network-based Approach

LI Xiang , LIN Hui, GUO Zhong-yang ,ZHANG Xi-hui Ministry of Education Key Laboratory of Geographical Information Science, East China Normal University, Shanghai 200062, China; Institute of Space and Earth Information Science,The Chinese University of Hong Kong, Hong Kong, China; Dept of Management Information Systems, Univ of Memphis, Memphis, USA  
The extended availability of GPS makes it possible to keep track of vehicles'movement for various applications in transportation. An approach is proposed to reduce tracking data volume through representing these data with feature points. Feature points can represent tracking data with much less storage space and without a loss of major characteristics than sample points or raw tracking data. A combination of three criteria, i. e. network, velocity, and direction, is used to select feature points from sample points. Network criterion, a novel concept proposed by this paper, is defined as a change of the locational relationships between vehicles and the underlying road network. Experimental and analytical results demonstrate that the proposed approach outperforms existing ones.
【Fund】: 国家自然科学基金项目(40701142)
【CateGory Index】: U491
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【Citations】
Chinese Journal Full-text Database 2 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Zhao Xiaoping~(1,2) Liu Wenlong~2 (1.China University of Mining & Technology(Beijing),Beijing 100083,China; 2.Beijing Polytechnic College,Beijing 100042,China);Study on Key Techniques of Embedded GIS in Vehicle Navigation System[J];Journal of Beijing Polytechnic College;2009-01
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6 LIU Lin①②,ZHANG Ji-xian②,TANG Xin-ming②,LI Wan-wu①(① Shandong University of Science and Technology,Qingdao 266510;② Chinese Academy of Surveying and Mapping,Beijing 100039);Research on architecture and key technologies of LBS[J];Science of Surveying and Mapping;2007-05
7 CAI Xian-hua,LU Jian(Transportation College,Southeast University, Nanjing 210096,China);Research of large activities traffic management simulation system based on GIS technology[J];Science of Surveying and Mapping;2007-06
8 LIN Na ①, LI Zhi①, WANG Bin②(①Chongqing Engineering Technology Research Center for Information Management in Development, Chongqing Technology and Business University, Chongqing 400067, China;②Chongqing Geomatics Center, Chongqing 401121, China);Design and implementation of an integrated map matching mlgorithm[J];Science of Surveying and Mapping;2008-02
9 CHEN Shao-pei①②⑤,LI Yong③,PENG Cong④,TAN Jian-jun①(①Centre for Geographic Information System,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China;②French Naval Academy Research Institute France 29240;③Sun Yat-sen University,Guangzhou 510275,China;④Bureau of Public Passenger Transportation,Guangzhou 510010,China;⑤Graduate School of Chinese Academy of Sciences,Beijing 100049,China);Study on spatial-UML oriented traffic geographic information spatial-temporal characteristic representation[J];Science of Surveying and Mapping;2008-06
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