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how to find the canter of circle in the images

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surangkana
surangkana 2013-7-8
I have 2 images that contain one circle in each image. I want to find the center of the circle then overlay these circle with the same center at XY point. What should I do?

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Matt J
Matt J 2013-7-8
编辑：Matt J 2013-7-8
regionprops(...,'Centroid') should let you find the centers. Then imtransform() or imwarp() to overlay them.

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