Volume 37 Issue 2
Feb.  2012
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GE Xuming, WU Jicang. Iterative Method of Weight Constraint Total Least-Squares for Three-Dimensional Datum Transformation[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 178-182.
Citation: GE Xuming, WU Jicang. Iterative Method of Weight Constraint Total Least-Squares for Three-Dimensional Datum Transformation[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 178-182.
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Iterative Method of Weight Constraint Total Least-Squares for Three-Dimensional Datum Transformation

  • 1 Department of Surveying and Geo-Informatics,Tongji University,1239 Siping Road,Shanghai 200092,China;2 Key Laboratory of Modern Engineering Surveying,SBSM,1239 Siping Road,Shanghai 200092,China

Funds: 国家自然科学基金资助项目(41074019);;国家科技部国际合作资助项目(2010DFB20190)
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  • Received Date: December 14, 2011
  • Published Date: February 04, 2012
    Graphical Abstract
    • Abstract
  • According to the traditional approach of three-dimensional datum transformation and classic least-squares(LS) theory,the weight constraint total LS(WCTLS) and mixed LS are introduced.A more reasonable model and the corresponding iterative algorithm are given.The example results show that the new model is more reasonable indeed and the more accurate parameters of datum transformation can be obtained with suitable weight assigned.
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