i want to remove the edges and get a perfect circle like uploaded image figure 2 .

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gfgf99
gfgf99 2015-9-11
评论： gfgf99 2015-9-17
can i convert figure 1 circle in to figure 2 using Matlab .
(figure 1)
(figure 2)
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Image Analyst
Image Analyst 2015-9-12
At least I was trying, but you never answered my questions in my latest comment. the ball was in your court but you never returned the information so I quit.

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Image Analyst
Image Analyst 2015-9-11
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Image Analyst
Image Analyst 2015-9-11
I'm not sure how this does not solve your problem. Perhaps if you told me what image you started with and what you actually want to measure I could advise you on the proper way. Often/usually edge detection is not the best way to approach image analysis (not sure why 99% of people think it is). Or if you told me what your "further algorithm" does with the perfect circle (x,y) coordinates.

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Image Analyst
Image Analyst 2015-9-11
If you want the outer ounding circle instead of a fitted one, see John D'Errico's code http://www.mathworks.com/matlabcentral/fileexchange/34767-a-suite-of-minimal-bounding-objects
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gfgf99
gfgf99 2015-9-11
Thanks for the reply Image Analyst,but this did not answer my question .
Actually figure 1 is a result image of after using edge detected techniques for some object . Then i want to trim the edges like perfect circle as figure 2 shows. Because some places of my edge detected circle(figure 1) like a saw-tooth it will cause to come wrong results at the end of my further algorithm . i thing my question now clearly understand sorry for the incomplete question. Can you please help me..

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