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《Science of Surveying and Mapping》 2009-02
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Spatio-temporal outlier pattern research on the base of change point

LI Jing-jing①,LI Guang-qiang①,ZHAO Di①(①Department of Land information and Surveying Engineering, Central South University, Changsha,410083; ②School of Information Science and Engineering, Central South University, Changsha,410083)  
Detection of spatio-temporal outlier (ST-outlier) patterns plays very important role and presents useful guideline in production. This paper first introduces the current researches on the ST-outlier detection. Then it defines an ST-outlier based on spatio-temporal change point. An experiment on the basis of atmosphere pollution data is given. The results show that the method is correct.
【CateGory Index】: TP311.13
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