Re: [Rtk-users] Reducing the pattern of errors

2018-02-14 Thread anais . capouillez
ot; <simon@creatis.insa-lyon.fr> À: "anais capouillez" <anais.capouil...@student.uliege.be> Cc: rtk-users@public.kitware.com Envoyé: Mercredi 14 Février 2018 16:30:49 Objet: Re: [Rtk-users] Reducing the pattern of errors Hi, These are numerical errors. How did you create the pro

Re: [Rtk-users] Reducing the pattern of errors

2018-02-14 Thread Simon Rit
Hi, These are numerical errors. How did you create the projections? It seems that you have used the voxelized phantom to simulate the projections. This enhances strongly these artefacts. This is why most people compute simulated projections analytically with simple analytical shapes (as the Shepp