KePeng1019

> I use your code for detecting a page and show the rectangle on paper and its work perfectly while background is black but if the background is white and...

> @KePeng1019 Can you please explain in detail? This is the open cv library issue? because it find edge of the paper. if background color is same as paper, the...

> @KePeng1019 Thank you for the explanation you are welcome

我也遇到了这个问题。

@czy1121