Re: [ITK-users] [ITK] Siemens 4d data

Finding out what DICOM fields to use for grouping frames is a complex topic. There is no universally accepted standard, the field(s) to use depend on scanner manufacturer, imaging modality, and imaging protocol.

You can have a look at the 4D image importer logic in 3D Slicer (what DICOM fields are considered, what heuristics are used for automatically detecting special cases, etc):
https://github.com/fedorov/MultiVolumeImporter/blob/master/MultiVolumeImporterPlugin.py

You may also consider using 3D Slicer for loading DICOM data and saving as a 4D nrrd file that you can then easily load into ITK. If you have any questions related to this then post it on https://discourse.slicer.org.

Andras

From: Community [mailto:[email protected]] On Behalf Of Lambert Zijp
Sent: Saturday, July 29, 2017 1:38 PM
To: Sonia Pozzi <[email protected]>
Cc: Insight-users <[email protected]>
Subject: Re: [ITK] [ITK-users] Siemens 4d data

Hi Sonia,

Apparently SeriesInstanceUID does not help; sounds familiar. Maybe FrameNumber, SeriesNumber or AcquisitionNumber? If not, sorting slices on slice coordinate and AcquisitionTime could be done as a last resort. If you post two slices with the same coordinate but belonging to different volumes, I will take  look at it.

Greetings, Lambert

On Sat, Jul 29, 2017 at 12:26 AM, Sonia Pozzi <[email protected]<mailto:[email protected]>> wrote:
Hello,

I have a set of Siemens series. In each series there is the same slice for different times.
I would like to be able to reconstruct in itk each single volume (a complete volume for every time step).
It is a couple of week that I’m trying how to do that…
I understood that I should use some tag, but I’m not sure about which and my code is not working.

Could you be so kind to give me a suggestion here?

My regards,

Sonia
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