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Is it possible to detect a grey circle in an image with blue dot at the center?

I'm new to open CV can someone please guide?

Thanks, Testmann

Thanks for the effort!

This is very near. I want to detect only the circle which has a blue dot/circle. Is there Python code for this?

Blue is the only colour used and I'm using Python

Thanks for the response. I want to check the small blue circle along with the outer grey circle

Is it possible to detect a circle with grey color and blue dot in center Is it possible to detect a grey circle in an im