The thing is that in this way, returns redundant coordinates. ... So, for example, in this polygon, i don't want to get the contour points like this: But like this: ... do it by following Life2Coding's tutorial on YouTube: Linking OpenCV 3 with Python 3. fe9c53e484 xolatha 
https://wakelet.com/wake/KBJBfcWxYOpE_qG_QpEEj 
https://wakelet.com/wake/HT2qYvmsgVAEYZ__DacRq 
https://wakelet.com/wake/omtoOVyZ-43_JacH8x9Vp 
https://wakelet.com/wake/QwKN5WVMp635RuJgEzNwq 
https://wakelet.com/wake/hBT09gO9SHx