[Insight-users] GDCM Separate diffusion images by b-value

[kosborn]

After looking at the DICOM headers it seems this vendor doesn't store the
b-value in the 0018|9087 tag but instead in a private 0019|100c tag. After
adding the correct tag to the series restrictions unfortunately I still
don't get the right result. Does the GDCMSeriesFileNames class allow private
tags for series restrictions?


kosborn wrote
> Hi all,
> 
> I am writing an application to process diffusion weighted MR images. The
> scanner I have access to generates a single series containing all b-values
> acquired. Using GDCMSeriesFileNames I am able to sort the images by image
> number (and hence b-value), but I am not able to select only those images
> with a certain b-value. I have tried using series restrictions as follows:
> 
>         itk::GDCMSeriesFileNames::Pointer nameGenerator =
> itk::GDCMSeriesFileNames::New();
>         nameGenerator->SetUseSeriesDetails(true);
>         nameGenerator->AddSeriesRestriction("0018|9087");  //Diffusion
> b-value
>         nameGenerator->SetDirectory(dirName);
> 
> but I still get all images with all b-values.
> 
> Is it possible to separate images within the one series by b-value?
> 
> Thanks.





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