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imaq find circles

Hi there,

 

When I apply IMAQ Find Circles.vi on an ordinary overlapped pair of circles, the vi might encounter more than two circles

- see the image in the attachment.

How can I assure to detect only (the correct) two of them

If there is no way to influence the vi, how do I discard such unwanted circles ? 

 

Thanks a lot ! 

 

Ted 

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Hello Ted,

 

Thank you for your post on our webforum. Could you upload a example of a image you are trying to inspect? This result picture is giving me a correct number of circles; I tried the same function in the vision assistant; is the vision assistant giving you the same results?

What happens if you change the minimum and maximum radix parameters?  Are you doing the step on a binary image?  What happens if the step is performed on a grayscale image?

 

Best regards,

Martijn S
Applications Engineer
NI Netherlands
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