My best guess is that the images are not so well aligned before you
run the segmentation, such that there is very little overlap with the
tissue probability maps (Use Check Reg to assess this).
Best regards,
-John
On 19 July 2012 13:35, Ali Radaideh <[log in to unmask]> wrote:
> Hello,
>
> I am using spm8 to segment the white matter from an MRI scan but i got the
> following message:
>
> Error using schur
> Input to SCHUR must not contain NaN or Inf.
> In file "/usr/local/MATLAB/R2012a/toolbox/matlab/matfun/sqrtm.m" (???),
> function "sqrtm" at line 33.
> In file "/usr/local/spm8/spm_maff.m" (v4178), function "M2P" at line 162.
> In file "/usr/local/spm8/spm_maff.m" (v4178), function "affreg" at line 78.
> In file "/usr/local/spm8/spm_maff.m" (v4178), function "spm_maff" at line
> 27.
> In file "/usr/local/spm8/spm_preproc.m" (v4178), function "spm_preproc" at
> line 143.
> In file "/usr/local/spm8/config/spm_run_preproc.m" (v4185), function
> "spm_run_preproc" at line 19.
>
>
> So what can I do please to make spm runs?
>
> Thanks in advance
> Ali
>
> --
>
> Dr. Ali Al-Radaideh PhD
> Assistant Professor
>
> Head of Department of Medical Imaging
> Faculty of Allied Health Sciences
> The Hashemite University
>
> P. O. Box 330127. Zarqa 13115, Jordan
> Tel 00962-5-3903333 ext. 5355, 5422
> Mobile 00962-79-7646300
>
> Fax: 00962-5-3903368
>
> Email: [log in to unmask]
>
> Webpage: http://staff.hu.edu.jo/radaideh
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