[ITK-users] extract middle slice from dicom files

[Dženan Zukić]

Hi Swetha,

the simplest, but not computationally most efficient, is to load
<https://itk.org/ITKExamples/src/IO/GDCM/ReadDICOMSeriesAndWrite3DImage/Documentation.html>
the series as a 3D image and then access the middle slice:

image3d=reader->GetOutput();
ImageType::IndexType ind=image3d->GetBufferedRegion().GetIndex();
ind[2]=image3d->GetBufferedRegion().GetSize()[2]/2; //middle
slicePixel00=image3d->GetPixel(ind);

Less computation, but more code would be to examine spatial position of
each slice in seriesUID and then just load the one closest to the middle.

We are in the process of switching to discourse <https://discourse.itk.org/>,
please post follow-up questions there.

Regards,
Dženan

On Fri, Nov 17, 2017 at 9:54 AM, Swetha Sharma <swetha.bsharma at gmail.com>
wrote:

> Hi ,
>
> I want to know how to get the image values from middle slice of dicom
> series.
> -swetha
>
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