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Detecting 16 squares in a live video

Hi; I am trying to detect all squares colors in a picture below -but in a live video-. By using simple blob detector, the program can get 16 squares most of the time and gets color values mostly correct, but it finds blobs other than this area for now. How can I prevent finding other blobs that are not needed?

1-Can it be done like this; When program sees 16 squares in a certain area, it would focus on that area and ignore other blobs.

I am kinda new to OpenCV and I am still learning stuff. Thanks in advance.

example image

Detecting 16 squares in a live videovideo in Python

Hi; I am trying to detect all squares colors in a picture below -but in a live video-. By using simple blob detector, the program can get 16 squares most of the time and gets color values mostly correct, but it finds blobs other than this area for now. How can I prevent finding other blobs that are not needed?

1-Can it be done like this; When program sees 16 squares in a certain area, it would focus on that area and ignore other blobs.

I am kinda new to OpenCV and I am still learning stuff. Thanks in advance.

example image