[Rtk-users] R: Ring Artifacts correction

[Simon Rit]

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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