Maybe try coregistering with a skull-stripped version of the T1w. You can do
this by segmenting, and masking the T1w (or a bias corrected version) with
the sum of the GM, WM and CSF. The masking can be done using ImCalc.
Best regards,
-John
On Tuesday 24 February 2009 02:48, ramtilak gattu wrote:
> Hello SPM users,
>
> I apologize if it is a re-posting of my message
>
> I am trying to co-register Fractional Anisotropy (DTI_FA -
> resolution-1.8*1.8*4-33 slices) of a subject to his T1 image (
> resolution-0.98*0.98*3-60 slices) using spm 8b. I even tried spm5. Both the
> images are in Analyze format
>
> I played with different objective functions but of no use.
>
> Please see the attached image before registration (top row) and after
> registration (bottom row).
>
> Could anyone guide me whats going wrong with coregistration .
>
>
>
> Thanks for the help in advance
>
> Regards
> Tilak
|