#33 OPENCV - PYTHON | Retrieval Modes in Contour Detection | RETR EXTERNAL, LIST, TREE | Hierarchy 

Thanks for explaining these complicated things like hierarchy in details!!!

Thank you so much for the detailed explanation!!!

Hi Sir first upon thanks for Your Valuable Videos and Knowledge sharing, I am following your OpenCV playlist, Sir i request you Please Upload one detail video on when camera is having some angle and it capture the Object Photo then how to calculate perfect size of that object (Example = Suppose Camera is having 55 degree angle with surface and it capture the photo of object which is 8 feet far from the camera then how to calculate perfect shape area of that object. (that object is having irregular shape))

Great Explaination . Thank you. Keep it up the great work

Best explanation

Thanks Man

Your accent is so thick I don't even know if it's in English or not, lmao.