Check out the scalefactors in the headers, and also set the interpolation of
the display to NN (nearest neighbour).
Best regards,
-John
On Monday 03 November 2008 14:10, Jiang, Zhiguo wrote:
> Dear SPMers
>
>
>
> Greetings.
>
>
>
> Trick or Treat. (hope it's not too late)
>
> I am a beginner with SPM and just have a very simple and quick questions
> for you guys.
>
>
>
> I found this incidentally when I was processing my data last Friday
> night. I wanted to see if SPM has converted the DICOM files correctly,
> so I loaded the DICOM in matlab and tried to crosss check the intensity
> values with SPM display function (converted to analyze using SPM2 DICOM
> utility). Then I realized I couldn't get same intensity values. It
> occurs to me that SPM2 has done some interpolation to the original
> image.
>
>
>
> Anyone has any idea how SPM2 interpolate the DICOM file intensity file
> to analyze (used for SPM2)? Is there any way I can verify the method
> adopted by SPM2 manually ?
>
>
>
>
>
> Thanks a lot,
>
>
>
>
>
> Tony
>
>
>
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