王春, 刘学军, 汤国安, 陶旸. 格网DEM地形模拟的形态保真度研究[J]. 武汉大学学报 ( 信息科学版), 2009, 34(2): 146-149.
引用本文: 王春, 刘学军, 汤国安, 陶旸. 格网DEM地形模拟的形态保真度研究[J]. 武汉大学学报 ( 信息科学版), 2009, 34(2): 146-149.
shu
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.
shu

格网DEM地形模拟的形态保真度研究

Morphologic Fidelity of Grid Digital Elevation Model

    摘要
  • 摘要: 分析了现有格网DEM地形模拟的失真现象,研究DEM地形模拟失真的根源。提出了DEM地形形态保真度的概念,探讨了建设高保真DEM必须解决的问题。

     

    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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