[OpenCV 学习课-5. 图像的几何变换]

Python小白进阶 2021-11-15 18:24:12

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。

>**欢迎关注 [『Python小白从零开始 OpenCV 学习课』](https://blog.csdn.net/youcans/category_11459626.html)系列,持续更新**
>
>[【OpenCV 完整例程】01. 图像的读取(cv2.imread)](https://blog.csdn.net/youcans/article/details/121168935)
>[【OpenCV 完整例程】02. 图像的保存(cv2.imwrite)](https://blog.csdn.net/youcans/article/details/121169014)
>[【OpenCV 完整例程】03. 图像的显示(cv2.imshow)](https://blog.csdn.net/youcans/article/details/121169054)
>[【OpenCV 完整例程】04. 用 matplotlib 显示图像(plt.imshow)](https://blog.csdn.net/youcans/article/details/121169102)
>[【OpenCV 完整例程】05. 图像的属性(np.shape)](https://blog.csdn.net/youcans/article/details/121169179)
>[【OpenCV 完整例程】06. 像素的编辑(img.itemset)](https://blog.csdn.net/youcans/article/details/121169212)
>[【OpenCV 完整例程】07. 图像的创建(np.zeros)](https://blog.csdn.net/youcans/article/details/121174586)
>[【OpenCV 完整例程】08. 图像的复制(np.copy)](https://blog.csdn.net/youcans/article/details/121174613)
>[【OpenCV 完整例程】09. 图像的裁剪(cv2.selectROI)](https://blog.csdn.net/youcans/article/details/121174622)
>[【OpenCV 完整例程】10. 图像的拼接(np.hstack)](https://blog.csdn.net/youcans/article/details/121174643)
>[【OpenCV 完整例程】11. 图像通道的拆分(cv2.split)](https://blog.csdn.net/youcans/article/details/121174708)
>[【OpenCV 完整例程】12. 图像通道的合并(cv2.merge)](https://blog.csdn.net/youcans/article/details/121174740)
>[【OpenCV 完整例程】13. 图像的加法运算(cv2.add)](https://blog.csdn.net/youcans/article/details/121191440)
>[【OpenCV 完整例程】14. 图像与标量相加(cv2.add)](https://blog.csdn.net/youcans/article/details/121191469)
>[【OpenCV 完整例程】15. 图像的加权加法(cv2.addWeight)](https://blog.csdn.net/youcans/article/details/121191534)
>[【OpenCV 完整例程】16. 不同尺寸的图像加法](https://blog.csdn.net/youcans/article/details/121234811)
>[【OpenCV 完整例程】17. 两张图像的渐变切换](https://blog.csdn.net/youcans/article/details/121244153)
>[【OpenCV 完整例程】18. 图像的掩模加法](https://blog.csdn.net/youcans/article/details/121244290)
>[【OpenCV 完整例程】19. 图像的圆形遮罩](https://blog.csdn.net/youcans/article/details/121244360)
>[【OpenCV 完整例程】20. 图像的按位运算](https://blog.csdn.net/youcans/article/details/121244431)
>[【OpenCV 完整例程】21. 图像的叠加](https://blog.csdn.net/youcans/article/details/121265151)
>[【OpenCV 完整例程】22. 图像添加非中文文字](https://blog.csdn.net/youcans/article/details/121287815)
>[【OpenCV 完整例程】23. 图像添加中文文字](https://blog.csdn.net/youcans/article/details/121287886)
>[【OpenCV 完整例程】23. 图像添加中文文字](https://blog.csdn.net/youcans/article/details/121287886)
>[【OpenCV 完整例程】24. 图像的仿射变换](https://blog.csdn.net/youcans/article/details/121301596)
>[【OpenCV 完整例程】25. 图像的平移](https://blog.csdn.net/youcans/article/details/121309503)
>[【OpenCV 完整例程】26. 图像的旋转(以原点为中心)](https://blog.csdn.net/youcans/article/details/121314279)
>[【OpenCV 完整例程】27. 图像的旋转(以任意点为中心)](https://blog.csdn.net/youcans/article/details/121314339)
>[【OpenCV 完整例程】28. 图像的旋转(直角旋转)](https://blog.csdn.net/youcans/article/details/121314339)
>[【OpenCV 完整例程】29. 图像的翻转(cv2.flip)](https://blog.csdn.net/youcans/article/details/121333357)
>[【OpenCV 完整例程】30. 图像的缩放(cv2.resize)](https://blog.csdn.net/youcans/article/details/121333461)

...全文
63 点赞 收藏 回复
写回复
回复
切换为时间正序
请发表友善的回复…
发表回复
相关推荐
发帖

634

社区成员

帖子事件
创建了帖子
2021-11-15 18:24
社区公告
暂无公告