[OpenCV 学习课-5. 图像的几何变换]

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Python小白的OpenCV 学习课，各位大咖请多指导！

几何变换是指对图像的位置、大小、形状、投影进行变换，是将图像从原始平面投影到新的视平面。OpenCV 中的图像以多维数组描述，几何变换本质上是将一个多维数组通过映射关系求得另一个多维数组。

本节介绍图像的几何变换，提供完整例程和运行结果：位置变换：平移，旋转，镜像；形状变换：缩放，扭变；投影变换：透视投影，平行投影；极坐标变换。

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