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《Science of Surveying and Mapping》 2013-04
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Compressing isoline based on midline method

LIU Tao,CUI Gao-song,ZHENG Yi-dong,WANG Mo(Dept.of Hydrography and Cartography,Dalian Naval Academy,Liaoning Dalian 116018,China)  
Contraposing the shortage of the traditional methods of vector data compression which have the low efficiency on compressing complex isolines and can not save the cove with small angle,the paper brought forward a method that compresses the isoline by the midline based on the feature points which have been selected from the isoline.It was programmed then.Comparing with the traditional Douglas-Peucker method,there is a progress on the compressing efficiency and effect,which could achieve the expected goal.
【CateGory Index】: P282
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【Citations】
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