[Insight-users] Image Series Order - itk::ImageSeriesReader, SetReverseOrder

Mathieu Malaterre mathieu.malaterre at gmail.com
Wed Jul 9 10:36:06 EDT 2008


On Mon, Jul 7, 2008 at 10:01 PM, M. Wirtzfeld <wirtzfeld at rogers.com> wrote:
>
> Good afternoon,
> We are currently writing registration code to handle mono-modality and
> multi-modality image registration using CT and MR data-sets.
> At the present time, the code is able to perform registration using both of
> these data-sets.  The fixed-image is two-dimensional (treated as
> three-dimensional image-type by the code) and the moving-image is a volume
> created from a sequence of two-dimensional DICOM slices.
> Using the itk::ImageSeriesReader class, mono-modality CT registration
> requires the SetReverseOrder method of this class to be called with a "true"
> boolean value and MR registration requires a "false" boolean value when the
> respective volumes are created.
> I have ensured that the maximum-step used by the optimizer is properly set
> in both cases.
> I believe the root of this requirement lies in the meta-data of the DICOM
> images that comprise the CT and MR data-sets, but I do not know why or what
> to look for in order to help find an answer.
> I have not used ITK extensively and this is my first experience with
> image-processing.
>
>
> Any help is greatly appreciated,
>
Hi Michael.

I think you should be using itk::GDCMSeriesFileNames to sort/order filenames.

HTH

-- 
Mathieu


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