I have an image that is missing the center and contain what seems to be two parts of circles or maybe two arcs. What is a good metric or signal processing approach to use to differentiate between the two cases? The circular Hough transform is biased to find circle...

enter image description here

  • $\begingroup$ What are you trying to do? Fill in the gap? What two cases are you referring to - the two images or circle or arc? $\endgroup$ – geometrikal May 14 '16 at 2:58
  • $\begingroup$ This edge is extremely fuzzy. You should try to maximize your image quality. Even if you find it, it won't be passing through where you like it to pass. $\endgroup$ – Tolga Birdal May 14 '16 at 8:06
  • $\begingroup$ The center is more or less saturated, so the image is representative. The circles aren't supposed to be in the center of the image. The question is whether their eccentricity is 0, or whether they are actually arcs Like (I.e. hyperboles) $\endgroup$ – bla May 14 '16 at 22:56

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