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Re: Removing Ring Artefacts

Posted by Gluender-2 on Oct 01, 2008; 4:27pm
URL: http://imagej.273.s1.nabble.com/Removing-Ring-Artefacts-tp3694905p3694906.html

>Hello All,
>
>I am currently working on X-Ray CT images of soil within plastic columns
>(which have been spilt in half with mesh). See the attached image for an
>example. I am having problems removing the ring artefacts present within my
>images that will effect the analysis of pore spaces present within these
>soil columns. I have checked the archives of this mailing group and the
>plugins page for ImageJ and cannot find any evident solution to the ring
>artefact problem. I know that this is a common problem, so I hope that there
>is a solution out there someone which I have simply missed on my research.
>
>Any help you can offer will be appreciated very much.
>
>Thanks,
>Sarah


I'm quite sure that those rings are not artefacts of CT image
formation. So could you please be more specific and point us to the
source of your opinion:

"I know that this is a common problem..."

Best
--

                   Herbie

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          <http://www.gluender.de>