sounds like the talairach.xfm is degenerate. Can you start with the
identity matrix instead?
cheers
Bruce
On Thu, 12 Aug 2010, Tricia Merkley wrote:
Hi Bruce,
Yes, I can get tkregister2 to run properly, but the "moveable" image is
just a single bright line. When I try to scale, translate, rotate,
etc., the line will move a little bit. But it is still just a single
line, instead of a volume to compare with the target image.
Have you seen anything like this before?
Thanks,
Tricia
--- On Thu, 8/12/10, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
From: Bruce Fischl <fis...@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Talairach xform problem
To: "Tricia Merkley" <tmerkl...@yahoo.com>
Cc: freesurfer@nmr.mgh.harvard.edu
Date: Thursday, August 12, 2010, 6:34 PM
Hi Tricia,
when you say "to no avail" what do you mean? Have you been able to get
tkregister2 to run properly?
cheers
Bruce
On Thu, 12 Aug 2010, Tricia Merkley wrote:
Hi Freesurfers,
Is there a solution for fixing a bad talairach transform as shown in the
attached figures? Recon-all completed without error (with the -notal-check
included, v4.5.0), and the output looks pretty good. However I'm concerned
that the 'IntraCranialVol' value will be off since it is based on the tal xform.
I've tried to fix it as described at
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Talairach, but to no
avail. I'd appreciate any suggestions.
Thanks,
Tricia
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