Lastly least square method is used to fit for the straight line. The improved method can extract so much information as possible from original images.
改进后的方法能尽可能多地从图像中提取直线信息，既可以较准确地提取直线的端点信息，又能得到直线的准确表示。
The linear least square method should be selected to fit engineering data to a straight line.
在工程数据线性拟合时，宜选用线性最小二乘法。
The linear least square method should be selected to fit engineering data to a straight line.
在工程数据线性拟合时，宜选用线性最小二乘法。
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