<div dir="ltr"><div dir="ltr"><div>Hi Gabriele,</div><div>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 <a href="https://www.creatis.insa-lyon.fr/~srit/biblio/pivot2019.pdf">here</a>, chapter 7.</div><div>Simon<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 9, 2020 at 2:57 PM <<a href="mailto:gabriele.belotti.bergamo@gmail.com">gabriele.belotti.bergamo@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="IT"><div class="gmail-m_1144107351024750189WordSection1"><p class="MsoNormal"><span lang="EN-US">Dear all,<br><br>I’m forwarding this email as the original had an image that was blocked from the mailing list due to overall size.<br><br>Gabriele<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><div><div style="border-color:rgb(225,225,225) currentcolor currentcolor;border-style:solid none none;border-width:1pt medium medium;padding:3pt 0cm 0cm"><p class="MsoNormal"><b><span>Da:</span></b><span> <a href="mailto:gabriele.belotti.bergamo@gmail.com" target="_blank">gabriele.belotti.bergamo@gmail.com</a> <<a href="mailto:gabriele.belotti.bergamo@gmail.com" target="_blank">gabriele.belotti.bergamo@gmail.com</a>> <br><b>Inviato:</b> mercoledì 1 luglio 2020 11.51<br><b>A:</b> <a href="mailto:rtk-users@public.kitware.com" target="_blank">rtk-users@public.kitware.com</a><br><b>Oggetto:</b> Ring Artifacts correction<u></u><u></u></span></p></div></div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span lang="EN-US">Dear Rtk users and developers,<br><br>I have a set of projections that suffer both from truncation and ring artifacts.<br>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.<br>I’ll attach a screenshot of the sinogram showing evident strikes and an animated gif with the resulting reconstruction highlighting the concentric rings.<br><br>Thanks in advance for your help and input!<br><br>Gabriele Belotti<u></u><u></u></span></p></div></div>_______________________________________________<br>
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