Pawel

Yes, I come across them particularly when using NAC recons. These artefacts seem to be caused by the highly defined edges of the bed and some other factors. When the...

Those would be pretty good. I have done lots of them for simulation. But whenever there is discrepancy between attenuation and emission data, you get those artefacts P ________________________________ From:...

This is a tough one. But there are clues here and there. For example, when the bed is removed they never appear. Look at this 24hr scan of Ge68 cylindrical...

> interesting. As this cylinder with head-coil? Likely not. > > I can see that the bed/coil introduces high-frequency AC artefacts (and the coil symmetric patterns). I can also see...

Dave, this is my plan to use BIDS for this, among other reasons. John, is your pipeline compatible with BIDS? Cheers, Pawel

which branch are you using? and how did you install it? pip install niftypet?

to be really sure if all is good, i'd recommend running the recon on a test data as in our website niftypet.readthedocs.io