Volume 31 Issue 8
Aug.  2006
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TANG Zhong'an, SHI Wenzhong. Probability Algorithm for Equivalent Probability Density Error Model to 2D Random Linear Segment in GIS[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 736-739.
Citation: TANG Zhong'an, SHI Wenzhong. Probability Algorithm for Equivalent Probability Density Error Model to 2D Random Linear Segment in GIS[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 736-739.
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Probability Algorithm for Equivalent Probability Density Error Model to 2D Random Linear Segment in GIS

  • 1 School of Info-physics and Geomatics Engineering,Central South University,South Lushan Road,Changsha 410083,China;2 Info-center for National Land & Resources of Hunan Province,152 Middle Renmin Road,Changsha 410011,China;3 Department of Land Surveying & Geo-informatics,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong Kong

Funds: 中南大学博士后科研基金资助项目(2006);国土资源部百名优秀青年科技人才计划资助项目
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  • Received Date: May 07, 2006
  • Revised Date: May 07, 2006
  • Published Date: August 04, 2006
    Graphical Abstract
    • Abstract
  • A probability algorithm based on the envelop points of the equivalent probability density error model(marked as Tepdem) is put forward,then the probability algorithm based on the normal plane of the random line segment is compared with the former.A case study is conducted and the results are visualized and analyzed.It is discovered that Tepdem and its corresponding boundary envelop as well as the probability calculation value are same under both of the probability algorithms,and the former is suitable for the random linear segment while the latter is more general for the probability calculation of the linear entity in vector GIS.
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