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    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/112006

    Title: Robust cadastral coordinate transformation based on least absolute deviation
    Authors: 林老生
    Lin, Laosheng
    Lin, Yichun
    Contributors: 地政系
    Keywords: Coordinate transformation;Least absolute deviation (LAD);Least squares (LS);Robust
    Date: 2014-11
    Issue Date: 2017-08-17 15:02:07 (UTC+8)
    Abstract: Robust cadastral coordinate transformation based on least absolute deviation (LAD) is proposed in this paper. Firstly, the 4-parameter coordinate transformation procedures from TWD67 coordinates to TWD97 coordinates were presented. Then, two data sets were used to test the proposed method. The test results show that: (1) based on the simulated data, under certain number of outliers, neither the outliers exist in the TWD67 coordinates, the TWD97 coordinates, nor the TWD67 and TWD97 coordinates, can affect the LAD coordinate transformation accuracies; and (2) based on the real data, further prove that the LAD coordinate transformation is a robust estimation method.
    Relation: Chung Cheng Ling Hsueh Pao/Journal of Chung Cheng Institute of Technology,43(2), 199-218
    Data Type: article
    Appears in Collections:[地政學系] 期刊論文

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