Ellipse detection with OpenCV

Question

I would like to detect ellipses with OpenCV for Android, using the Tutorial 2-Basic included with OpenCV 2.4.1 package as a starting point. Note that my ellipse would be a p

Answer 1

The parameters used in HoughCircles play a fundamental role. HoughCircles will detect not just perfect, but also near-perfect circles (ellipses). I suggest you check this examples:

• How to detect circles (coins) in a photo
• Simple object detection using OpenCV
• OpenCV dot target detection
• Reshaping noisy coin into a circle form

And this answer has a decent collection of references.