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《Acta Geodaetica Et Cartographic Sinica》 1992-02
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Gong Jianya(Wuhan Technical University of Surveying and Mapping)  
: In this paper a natural digits based linear quadtree coding technique is introduced, the formulae for computing the natural code (N code) are given and the procedures of generation of N code based quadtrees are discussed and the efficiency comparison between Morton quaternary code and that based on decimals is made by examples. The geometry analysis of the graphics and algebraical rules of the images based on N-code are also presented.
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【Secondary References】
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1 Li Deren LIESMARS, Wuhan University Wuhan, 430079;On Concept and Application of Digital Measurable Images——From 4D Production to 5D Production[A];[C];2007
2 RONG Bao-jian1, LIU Yang2, YANG Li-fang1, LIANG Ying1, LI Yue1 (1.Computing Center of Guangxi,Nanning,Guangxi,530022,China; 2.Guangxi Science and Technology Information Network,Nanning,Guangxi,530012,China);Image Compression Of Binary Image Base On Fractal Code[A];[C];2008
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