How do I find the circularity of the bubbles in the sample IR image?

Answer 1

[Simon Chan]

Check this: Revised Circularity Measurement in regionprops (R2023a) if you are using R2023a.

Or check the answer from Steve Eddins in this link: https://www.mathworks.com/matlabcentral/answers/563069-how-to-measure-the-correct-circularity