Re: [Rtk-users] Reconstruction artefact with SART

2019-10-23 Thread Simon Rit
Hi Vincent, There is a problem indeed! It's hard to guess what's the problem from the images you sent. I would check the projections to see what could be wrong. The first thing I would check for example is whether air is really at 0 (as it should be). You can also look at the difference between

[Rtk-users] Reconstruction artefact with SART

2019-10-23 Thread vincent
Hi everyone, I am trying to reconstruct a volume representing an aluminum casted part and investigate the differences between FDK and SART. Here are the parameters involved: the images are 700*820 pixels and I have 900 projections.  The physical pixel size is 0.28 mm and the sdd and sid are