Volume 33 Issue 2
Feb.  2008
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ZHU Changqing, WANG Zhiwei, LIU Haiyan. Accuracy Evaluation Model of DEM Based on Reconstructed Contours[J]. Geomatics and Information Science of Wuhan University, 2008, 33(2): 153-156.
Citation: ZHU Changqing, WANG Zhiwei, LIU Haiyan. Accuracy Evaluation Model of DEM Based on Reconstructed Contours[J]. Geomatics and Information Science of Wuhan University, 2008, 33(2): 153-156.
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Accuracy Evaluation Model of DEM Based on Reconstructed Contours

  • 1Institute of Surveying and Mapping,Information Engineering University,66 Middle Longhai Road,Zhengzhou 450052,China

Funds: 国家973计划资助项目(2006CB701302)；国家自然科学基金资助项目(40401052)
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  • Received Date: December 19, 2007
  • Revised Date: December 19, 2007
  • Published Date: February 04, 2008
    Graphical Abstract
    • Abstract
  • A new evaluation model for the accuracy of digital elevation model is built based on the reconstructed contours.By the model,the accuracy of digital elevation model can be evaluated by the proposed reconstructed error that is the ratio of the area error between the reconstructed contour and the original contour to the length of original contour.The proposed error is unique.Compared with the root mean square error,the proposed method to evaluate digital elevation model is more reasonable and more reliability.
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