Hi I've been struggling to convert a freesurfer surface into an MNI space coordinate. I tried to follow some tutorials and to play around with transformation matrices but nothing works.
I have an MNI surface from freesurfer (the cvs_avg35_inMNI152) and I need to align it to the 3d MNI 152. When loading them with fieldtrip it almost matches as can be seen in the picture https://ibb.co/evkcRb I would like to apply a transformation to align the surface to the volume. For the 3d MNI I have the transformation matrix: -1 0 0 91 0 1 0 -127 0 0 1 -73 0 0 0 1 For the surface I can get the ori.mgz transformation: -1 0 0 128 0 0 1 -146 0 -1 0 148 0 0 0 1 Could someone point me out how to convert the FS surface into spm coordinates? Thank you Dorothy
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