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【Halcon视觉】仿射变换
2022-07-26 10:15:00 【文布斯】
在图像处理中,经常需要缩放,平移,旋转,反射,错切。这就是仿射变换。
仿射变换,是两种简单变换的叠加。一个是线性变换,一个是平移变换。
仿射变换的性质:
- 凸性
- 共线性:若几个点变换前在一条直线上,仿射变换后仍然在一条直线上。
- 平行性:若两条线变换前平行,那变换后仍然平行。
- 共线比例不变性:在一条线上,两线段的比例,仿射变换后保持不变。
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