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    题名: Robust cadastral coordinate transformation based on least absolute deviation
    作者: 林老生
    Lin, Laosheng
    Lin, Yichun
    贡献者: 地政系
    关键词: Coordinate transformation;Least absolute deviation (LAD);Least squares (LS);Robust
    日期: 2014-11
    上传时间: 2017-08-17 15:02:07 (UTC+8)
    摘要: 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.
    關聯: Chung Cheng Ling Hsueh Pao/Journal of Chung Cheng Institute of Technology,43(2), 199-218
    数据类型: article
    显示于类别:[地政學系] 期刊論文

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