WANG Chun, LIU Xuejun, TANG Guoan, TAO Yang. Morphologic Fidelity of Grid Digital Elevation Model[J]. Geomatics and Information Science of Wuhan University, 2009, 34(2): 146-149.
Citation: WANG Chun, LIU Xuejun, TANG Guoan, TAO Yang. Morphologic Fidelity of Grid Digital Elevation Model[J]. Geomatics and Information Science of Wuhan University, 2009, 34(2): 146-149.
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Morphologic Fidelity of Grid Digital Elevation Model

    Abstract
  • Many factors cause incorrect terrain modeling.The vital reason is the ambiguity of DEM quality concept.It causes the faulty for DEM accuracy assessment and the imprecise altitude interpolate model.Hence,perfecting fundamental theory of digital tertian modeling,improving on DEM processing technology and optimization of DEM data structure are key problems of high fidelity DEM establishment.An important basis is provided for high fidelity DEM establishment.
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