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How to detect the center of a blurry circle with opencv

I have the following image:

enter image description here

There are curves in the image. I would like to find the center of the circles containing the curves.

I tried converting opencv and hough circle but got no results.

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3 answers

A natural candidate will be cvHoughCircles. Each part of each curve adds a “voice” to the triplet X/Y/Rthat identifies the center point. Now you have only part of the circles, so the number of votes is limited and the accuracy is reduced, but you probably suspect that a lot.

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Here is what I will try first:

, , , . .

, , 16 [0, pi], , (xc, yc) , ri , , , .

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  • , ( )
  • .
  • . , .
  • cv:: ,
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