The caudate and putamen are not on the cortical surface. I'm confused as 
to what you are trying to do.

On 04/10/2014 08:52 AM, gong jinnan wrote:
> Dear all,
> I want to use caudate and putamen as seed in surface to do PROBTRACK 
> in FSL.
> For doing that, I acquired target surface which in the cortex seed 
> using kris_convert and label2surf script.
> But I met some problems in extracting caudate and putamen in the surface.
> At first I used "mdi_extract_label sub1/mri/aseg.auto.noCCseg.mgz 11 
> /test/L_Caudate.mgz” and it generated L_Caudate.mgz correctly. And 
> then in order to do mri_vol2surf I did bbregister used “bbregister —s 
> sub1 —mov sub1/mri/brain —init-fsl —reg sub1/mri/register.dat”. Then 
> “mdi_vol2surf —src /test/L_Caudate.mgz —srcreg sub1/mri/register.dat 
> —promfrac 0.5 —hemi lh —out /test/L_Caudate2surf.mgz”.
> Everything looked like went well by the time. But it’s weird when 
> “mri_binarize —i /test/L_Caudate2surf.mgz —min 0.5 —o 
> /test/L_Caudate2surf_bin.mgz” , it showed “Dound 0 values in range” 
> and “Found 0 voxels in final mask”.
> I checked /test/L_Caudate.mgz and found it was correct.
> I am wondering is that because of register.dat which I am not very 
> clear how to acquire it correctly? Or is that because lh.white was 
> default used in mri_vol2surf?
> Could you give me any advises to work around this program? And may be 
> about how to acquire register.dat in this context and how to transform 
> this kind of ROI to surface.
> Thanks a lot!
> Sincerely,
> Jinnan
>
>
>
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