Hi Mike,
sorry, forgot to respond to this one. Not sure about tkregister2 - I'll
leave that for Doug. I think you should be able to use mri_convert with
the .gca file to extra the mean image frame (frame 0), then check the
aligment to that.
cheers,
Bruce
On Tue, 19 Feb 2008, Michael Harms wrote:
Hello,
In your experience, is the "talairach_with_skull.lta" transform always
reasonable, or does it sometimes fail (and if the latter, is the failure
rate dependent on the FS version, as is the case for talairach.xfm ?)
I ask because the ICV ("eTIV") value is derived from the determinant of
"talairach_with_skull.lta". So, if we want to use the eTIV values as a
covariate,
should we be verifying the accuracy of this transform? And if so, what would
the syntax be to do this in tkregister2 ?
thanks,
Mike H.
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