Comments (3)
Hi Michael,
I've tweaked the code to sort based on Image number
(0x0020,0x0013). The code is on the dicom-sort branch. Can you try this out? If the images are still upside down, then we'll either need to sort on the physical slice location or add a z-flip
switch.
Kind regards,
Ben
from petmr-resolute.
I'm 99% sure the Dicom standard for PET says that they should be sorted on ImageIndex. The coordinates fo the slices are then determined by the cross-product of the 2 ImageOrientationPatient vectors if memory serves me right.
Of course, I don't know if the GE MRAC files follow the PET DICOM standard, but this particular thing might be common to other modalities.
from petmr-resolute.
Thanks
The dicom-sort branch does now sort the images, but the head is upside down.
I'm happy to test any further modifications, but I'm not sure if I'll be doing anything useful with the code, since the GE MRAC are not particularly compatible with the resolute scheme - There is:
- a standard MRAC which has dual echo ~ 1 & 2 ms ,
- the 'zero te' MRAC which has only one echo , and is at a different resolution and slice coverage to the standard MRAC
plotting the joint histogram, as far as I can tell, the bone does not look as neatly separated from the rest of the tissue as it appears on the Siemens, so I think it would be a bit of effort to get it to work nicely. I'm open to persuasion though.
The standard AC method for the head is going to be updated with the next software release (whenever that happens), so will be interesting to see what that is like.
from petmr-resolute.
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from petmr-resolute.