[Rtk-users] R: Ring Artifacts correction

[Samuel Gerber]

This: https://github.com/InsightSoftwareConsortium/ITKRingArtifact
might be of interest.

Best,
Sam


On Thu, Jul 9, 2020 at 9:30 AM Simon Rit <simon.rit at creatis.insa-lyon.fr>
wrote:

> Hi Gabriele,
> There is nothing readily available in RTK, sorry. A PhD student working
> with me worked on that but using python scripts, see his PhD thesis here
> <https://www.creatis.insa-lyon.fr/~srit/biblio/pivot2019.pdf>, chapter 7.
> Simon
>
> On Thu, Jul 9, 2020 at 2:57 PM <gabriele.belotti.bergamo at gmail.com> wrote:
>
>> Dear all,
>>
>> I’m forwarding this email as the original had an image that was blocked
>> from the mailing list due to overall size.
>>
>> Gabriele
>>
>>
>>
>> *Da:* gabriele.belotti.bergamo at gmail.com <
>> gabriele.belotti.bergamo at gmail.com>
>> *Inviato:* mercoledì 1 luglio 2020 11.51
>> *A:* rtk-users at public.kitware.com
>> *Oggetto:* Ring Artifacts correction
>>
>>
>>
>> Dear Rtk users and developers,
>>
>> I have a set of projections that suffer both from truncation and ring
>> artifacts.
>> While for the first issue I’ve been fiddling with the --pad option to a
>> satisfying result, I’m unsure what would be the best way to deal with the
>> ring artifacts in RTK.
>> I’ll attach a screenshot of the sinogram showing evident strikes and an
>> animated gif with the resulting reconstruction highlighting the concentric
>> rings.
>>
>> Thanks in advance for your help and input!
>>
>> Gabriele Belotti
>> _______________________________________________
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>> Rtk-users at public.kitware.com
>> https://public.kitware.com/mailman/listinfo/rtk-users
>>
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>


-- 
Samuel Gerber
R&D Engineer
Kitware, Inc.
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