HoughCircles seems powerless when dealing with concentric circles

asked 2014-04-04 07:48:17 -0600

Wythe gravatar image

updated 2014-04-04 07:49:03 -0600

HoughCircles seems powerless when dealing with concentric circles.Like this image description,it can only detect one circle. I looked at the source code of OpenCV, for a center,it just calculate one most possible radius, so it can only detect one circle. So is there a effective method for this task?

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yes, true. either try several passes with different radius, or findContours

berak gravatar imageberak ( 2014-04-04 08:12:31 -0600 )edit
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