How to find out the radius and center of unknown circle and reconstruct the circle with calculated radius.
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i have the image of coins ovelapped on each other which i taken through mobile phone.I want to calculate the no of coins in image and also the radius of coin.
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Pierre
2012-10-22
You should have a look at the Hough transform in its general form and its application to circles in particular. It allows to detect (even considerably occluded) entities like lines, circles, and ellipses and provides implicitly the parametrization (that is, the centre and the radius in your case) of the entity.
Once you have the equations describing the circles, computing the overlapping regions should be relatively simple.
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