There is a little bit of intensity normalization in the orig.mgz. You 
can convert the 001.mgz to anatomical space with mri_vol2vol, something like

mri_vol2vol --mov orig/001.mgz --targ orig.mgz --regheader --o 001.anat.mgz

Jared Price wrote:
> I guess I am not entirely sure what the contrast properties of orig.mgz 
> are.   After looking at the recon-all DevTable I don't see anything that 
> explicitly mentions any intensity normalization occurring before this 
> point so I imagine it would work.  I guess I will just ask you for your 
> suggestion.  For this particular task I would like the grayscale image 
> to be as close to the original dicom images as possible with perhaps the 
> one exception of reslicing. 
> Jared
>
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