This paper discussed the way that sets up the system of deformation correction while making the map digital with scanning, by using point of map margin as reference.

讨论了用扫描法将地图数字化时，以图廓点为参考点建立形变校正系统的问题。

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For the deformation, the defect exceeds the allowable deviation of the component, should be installed before the ground correction, repair, qualified before installation.

对于变形、缺陷超过允许偏差的构件，应安装前，在地面进行矫正、修理，合格后方可安装。

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Geometric transformation is the most common means of image processing, image deformation of geometric correction, can be an accurate picture.

几何变换是最常见的图像处理手段，通过对变形的图像进行几何校正，可以得出准确的图像。

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