title: OpenCV MinEnclosingCircle algorithm
body: <p>I'm searching for the algorithm is used in Opencv function minEnclosingCircle. The only thing I could find in the documentation of <a href="http://docs.opencv.org/3.1.0/d3/dc0/group__imgproc__shape.html#ga8ce13c24081bbc7151e9326f412190f1" rel="nofollow noreferrer">opencv</a> is that they use a iterative algorithm. 
  Best regards</p>