Hi Alberto,
> How can I apply the spatial normalization parameters stored in a *_sn.mat
> file to a vertex matrix containing the x-y-z co-ordinates, in millimetres,
> of a group of vertices (i.e., landmark positions, vertices of a triangular
> mesh, etc).
It depends on which direction you wish to map from/to, and if from
native to template space, then on whether you already have the inverse
(e.g. from the SPM5 unified segmentation procedure).
This script should help (it has fairly detailed instructions in the
help...)
http://www.cs.ucl.ac.uk/staff/gridgway/vbm/map_coords.m
Best,
Ged
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