How can I use Python OpenCV to get the dimensions of each contoured object in the image?-CodePudding

I'm working on a project that involves automatically clicking on objects in a video game as they appear on the screen. Naturally, each object has a distinct blue outline - so I've isolated all colors from the image except for that blue color.

The image below shows an example of a pre-processed screenshot of the game. Using OpenCV in Python, how can I:

Get the position of the center-most pixel of each object?
Get the position of the top-most pixel of each object?

E.g.,

CodePudding user response：

You can use a relatively less-known cv2 method

Output image:

The variable names explain the code pretty well already, after all, Python is similar to plain English!