[英]How to make a Global Contour around White Pixels - Python Open CV?
In the picture, you can see that Red Contours have been drawn around individual White Pixels.在图片中,您可以看到在各个白色像素周围绘制了红色轮廓。 Is there any method I can draw a Global Contour across all the Pixels (White Pixels)?有什么方法可以在所有像素(白色像素)上绘制全局轮廓吗?
I think you are looking for the convex hull of the points.我认为您正在寻找点的凸包。
This is an opencv tutorial on how to draw the convex hull of groups of points.这是关于如何绘制点组凸包的 opencv教程。
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