Hello Thorsten, hello dear FSL developers,
I realise your post is quite old at this point, but I am trying to analyse PET images with unequal time slices and encountered the same problem, and also, as I started out with 4D images, how to get the timing information encoded in the first place.
So I wanted to ask if this issue was ever resolved or if you found some kind of work-around.
Also, I don't really understand how you gave the timing information in the set of seperate 3D images in the first place.
I always thought the "SliceOrderingCode" was for MRI images to encode the order the spatial slices where aquired, not timing info relative to some other complete 3D set.
All the best,
Judith
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