[vtkusers] distinguish between real CT scans(beam ON) and non-realCT scans(beam OFF)

[Scott Johnson]

Hello Ashish,

 

You're looking at the right attribute.  If Image Type (0008,0008)
contains DERIVED is has been computed from one or more other images.
Look in Part 3 section C.7.6.1.1.2.  The attribute will probably also
contain SECONDARY, but I can't guarantee that.

 

You might also look at Derivation Description (0008,2111) section
C.7.6.1.1.3.  But that attribute is type 3 (optional).

 

Good luck.

 

                                -- Scott

 

From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] On
Behalf Of Ashish Singh
Sent: Friday, February 19, 2010 10:31 AM
To: vtkusers at vtk.org; gdcm-developers at lists.sourceforge.net
Subject: [vtkusers] distinguish between real CT scans(beam ON) and
non-realCT scans(beam OFF)

 

Hi,

I am trying to recursively read all dicom images from a CT study with
several series. How do I figure out which images are real/primary
scans(where the x-ray beam was ON) and which ones are not( such as
recons, etc.)? I have been looking at the Image Type Tag(0008,0008) and
series description tag (0008,103E), but is there a more systematic and
foolproof way of figuring this out?

This may not exactly be a VTK/GDCM question, but since there are many
dicom experts in the community, if anyone can guide me, I would really
appreciate it.

Thanks,
Ashish

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