Volume 31 Issue 1
Jan.  2006
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SHIYufeng, SHIWenzhong. Hybrid Entropy Model of Spatial Data Uncertainty in GIS[J]. Geomatics and Information Science of Wuhan University, 2006, 31(1): 82-85.
Citation: SHIYufeng, SHIWenzhong. Hybrid Entropy Model of Spatial Data Uncertainty in GIS[J]. Geomatics and Information Science of Wuhan University, 2006, 31(1): 82-85.
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Hybrid Entropy Model of Spatial Data Uncertainty in GIS

  • 1 School of Architecture Engineering,Shandong University of Technology,12 Zhangzhou Road,Zhangdian District,Zibo 255049,China;2 Key Laboratory of Geospace Environment and Geodesy,Ministry of Education,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3 Advanced Research Center for Spatial Information Technology,Department of Land Surveying and Geo-informatics,The Hong Kong Polytechnic University,Hunghom,Kowloon,Hong Kong;4 Presidential Secretariate,Shandong University of Science & Technology,579 Qianwangang Road,Qingdao 266510,China

Funds: 香港特区资助项目(1.34.37.A222);山东省基础地理信息与数字化技术重点实验室开放研究基金资助项目(SD2003-10)
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  • Received Date: October 15, 2005
  • Revised Date: October 15, 2005
  • Published Date: January 04, 2006
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    • Abstract
  • Based on the information theory and fuzzy set theory, in the light of the characteristics of randomicity and fuzziness of part spatial data in GIS,this paper proposes a hybrid entropy model of spatial data uncertainty,and hybrid entropy can be used to measure the total uncertainty of spatial data caused by stochastic uncertainty and fuzziness uncertainty.Taking the uncertainty of line segment as an example,this paper discusses the evaluating methods of statistic entropy,fuzziness entropy,and hybrid entropy of line segment uncertainty.And the entropy-band distribution of line segment uncertainty is shown.
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