[Mne_analysis] stc morphing question {Disarmed}

[Alexandre Gramfort]

        External Email - Use Caution        

hi,

yes switching the to/from subject and vertices is what I would do.

Alex
On Wed, Oct 31, 2018 at 3:24 PM Luke Bloy <luke.bloy at gmail.com> wrote:
>
>         External Email - Use Caution
>
> Are the morphing matrices computed using mne.compute_morph_matrix invertable?
>
> if I call
>
> morph_mat = MailScanner has detected a possible fraud attempt from "martinos.org" claiming to be mne.compute_morph_matrix(subject_from, subject_to,
>                                      stc_from.vertices, vertices_to,
>                                      subjects_dir=subjects_dir)
>
> Is there a way to invert morph_mat to map from 'subject_to' to 'subject_from'
> or should i just call compute_morph_matrix again, something like...
>
> morph_mat_inv = MailScanner has detected a possible fraud attempt from "martinos.org" claiming to be mne.compute_morph_matrix(subject_to, subject_from,
>                                      vertices_to, stc_from.vertices,
>                                      subjects_dir=subjects_dir)
>
> switching the to/from subject and vertices.
>
> Is this the best way to map back and forth between subjects?
>
> Thanks!
>
> Luke
>
> p.s. The use case is to map a group of subjects to a template (fsaverage). Do stats, make labels
> etc., in the template space and then to map these labels back into each subject.
>
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