探讨了失栅转化过程中图像质量的两种误差估计方法，给出了计算公式，同时用贵州电力地理信息系统中的矢量图进行验证。
This paper deals with the error estimate in the data conversion, offers calculating formulas and validate the estimate by GIS vectorgraph at Guizhou Power Company.
探讨了失栅转化过程中图像质量的两种误差估计方法，给出了计算公式，同时用贵州电力地理信息系统中的矢量图进行验证。
This paper deals with the error estimate in the data conversion, offers calculating formulas and validate the estimate by GIS vectorgraph at Guizhou Power Company.
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