Hi Aron
An easy hack is to write out bot modulated and unmodulated images and then use imcalc to divide the modulated image with the modulated one, this should give you the Jacobian.
Best
Torben
Torben Ellegaard Lund
Associate Professor, PhD
The Danish National Research Foundation's Center of Functionally Integrative Neuroscience (CFIN)
Aarhus University
Aarhus University Hospital
Building 10G, 5th floor, room 31
Noerrebrogade 44
8000 Aarhus C
Denmark
Phone: +4589494380
Fax: +4589494400
http://www.cfin.au.dk
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Den Uge:39 30/09/2011 kl. 21.05 skrev Goldman, Aaron (NIH/NIMH) [C]:
> Hi, I have a group of subjects that have already been warped, and would like to create a map of the Jacobian determinant at each voxel for each subject. Is there a way to calculate that from the sn.mat files?
>
> Thanks,
>
> Aaron
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