Did you check the transform to make sure it is accurate?

tkregister2 --s subject --fstal --surf

It could be that the scaling is not good. I've seen this before (no 
solution yet).

doug

Jeff Sadino wrote:
> Thanks Doug.  That is very good news to hear!
>
> Maybe I spoke too soon about fixing the problem.  I looked at 4 more 
> subjects, and even though the icv value is unique, its magnitude seems 
> wrong.  Often times, it is smaller than the BrainSegVol, which doesn't 
> make much sense and it is also low overall.
>
>
> # subjectname 090167_F01
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1639959, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1639959.000000, mm^3
> # Measure BrainSegNotVent, BrainSegVolNotVent, Brain Segmentation 
> Volume Without Ventricles, 1289194.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1299686, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1299686.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1105595.114652, mm^3
>
> # subjectname 090182_S01
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1599981, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1599981.000000, mm^3
> # Measure BrainSegNotVent, BrainSegVolNotVent, Brain Segmentation 
> Volume Without Ventricles, 1199694.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1205382, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1205382.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1114008.197334, mm^3
>
> # subjectname 090187_F01
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1826694, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1826694.000000, mm^3
> # Measure BrainSegNotVent, BrainSegVolNotVent, Brain Segmentation 
> Volume Without Ventricles, 1381871.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1388801, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1388801.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1307759.303915, mm^3
>
> # subjectname 100014_F01
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1948121, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1948121.000000, mm^3
> # Measure BrainSegNotVent, BrainSegVolNotVent, Brain Segmentation 
> Volume Without Ventricles, 1467582.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1488088, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1488088.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1637915.031593, mm^3
>
> # subjectname 040002_S04_test
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1774481, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1774481.000000, mm^3
> # Measure BrainSegNotVent, BrainSegVolNotVent, Brain Segmentation 
> Volume Without Ventricles, 1288022.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1312132, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1312132.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1302696.178406, mm^3
>
> I had also done 040002_S04 in fs 3.0.5, and this is the result:
> # subjectname 040002_S04
> # BrainMaskFile mri/brainmask.mgz
> # BrainMaskFileTimeStamp 2008/29/08 15:44:46
> # Measure BrainMask, BrainMaskNVox, Number of Brain Mask Voxels, 
> 1753272, unitless
> # Measure BrainMask, BrainMaskVol, Brain Mask Volume, 1753272.000000, mm^3
> # Measure BrainSeg, BrainSegNVox, Number of Brain Segmentation Voxels, 
> 1310474, unitless
> # Measure BrainSeg, BrainSegVol, Brain Segmentation Volume, 
> 1310474.000000, mm^3
> # Measure IntraCranialVol, ICV, Intracranial Volume, 1767481.547316, mm^3
>
> All of the values are similar except the icv.  Do you guys have any 
> ideas where I can look for the answer?
>
> Thank you very much,
> Jeff
>
> On Thu, Feb 25, 2010 at 11:14 AM, Jeff Sadino 
> <jsadino.que...@gmail.com <mailto:jsadino.que...@gmail.com>> wrote:
>
>     Doug -
>     Thank you for your suggestion.  I looked, and the
>     talairach_with_skull.lta file was unique to each subject.
>      However, the talairach.xfm file was actually a shortcut to
>     /apps/freesurfer3/subjects/fsaverage/mri/transforms/talairach.xfm.
>      This is because of some in-house legacy code that we use to do
>     some preprocessing.  After fixing this, the icv value came out unique.
>
>     Too bad it is in the beginning of the reconstruction stream.  149
>     subjects is going to take a while to redo.  Besides the icv
>     measurements, will this file effect other outputs, or could I just
>     rerun the segstats command?
>
>     Nick -
>     Sorry, I should have been more clear.  I reran them in fs4 from
>     scratch, using a different subject directory, so the two recons
>     should hopefully be completely independent of each other.
>
>     Thanks Everyone!
>     Jeff
>
>
>     On Fri, Feb 19, 2010 at 12:47 PM, Nick Schmansky
>     <ni...@nmr.mgh.harvard.edu <mailto:ni...@nmr.mgh.harvard.edu>> wrote:
>
>         also note that if the subjects were processed by a prior
>         version, then
>         when re-run with v4.X, talairach.xfm will not get overwritten,
>         as it is
>         assuming it was edited.  so you should check of talairach.xfm and
>         talairach.auto.xfm are the same, and if not either re-run with
>         -clean-tal, or just copy talairach.auto.xfm to talairach.xfm.
>
>         n.
>
>
>         On Fri, 2010-02-19 at 17:41 -0500, Douglas N Greve wrote:
>         > Can you check the talairach.xfm and the
>         talairach_with_skull.lta to make
>         > sure that they are different across subject?
>         >
>         > Jeff Sadino wrote:
>         > > Hi Doug,
>         > >
>         > > Thanks for the quick reply.  It just seems like an error
>         that all 149
>         > > subjects would line up exactly with the talairach
>         transform (that
>         > > would give a determinant of 1.000000?).
>         > >
>         > > The following commands I used from my script were:
>         > > recon-all -sd /scratch/data431 -s 040002_S04 -autorecon1
>         > > *code to check for errors*
>         > > recon-all -sd /scratch/data431 -s 040002_S04 -autorecon2
>         > > *code to check for errors*
>         > > recon-all -sd /scratch/data431 -s 040002_S04 -autorecon3
>         > > *code to check for errors*
>         > >
>         > > I searched the recon-all log for "-notalairach" and came
>         up with no
>         > > hits.  Any other ideas?
>         > >
>         > > I ran all of these subjects in fs3 a while ago using an
>         older version
>         > > of my script, and they all came out with unique icv values.
>         > >
>         > > Thank you again for your suggestions!
>         > > Jeff Sadino
>         > >
>         > > On Fri, Feb 19, 2010 at 12:04 PM, Douglas N Greve
>         > > <gr...@nmr.mgh.harvard.edu
>         <mailto:gr...@nmr.mgh.harvard.edu>
>         <mailto:gr...@nmr.mgh.harvard.edu
>         <mailto:gr...@nmr.mgh.harvard.edu>>> wrote:
>         > >
>         > >     The ICV is *estimated* from the talairach transform.
>         Did you
>         > >     happen to run recon-all with -notalairach? You can
>         check that the
>         > >     talairach transforms are all different.
>         > >
>         > >     doug
>         > >
>         > >     Jeff Sadino wrote:
>         > >
>         > >         Hello,
>         > >         I reconed 149 subjects using freesurfer 4.3.1
>         automatically
>         > >         using our cluster.  When I did asegstats2table,
>         all 149
>         > >         subjects had the exact same icv:
>         > >         # Measure IntraCranialVol, ICV, Intracranial Volume,
>         > >         1948106.000000, mm^3
>         > >
>         > >         Running mri_segstats manually, here is the
>         beginning of the
>         > >         output:
>         > >
>         > >         mri_segstats --seg mri/aseg.mgz --sum
>         stats/aseg2.stats --pv
>         > >         mri/norm.mgz --excludeid 0 --brain-vol-from-seg
>         --brainmask
>         > >         mri/brainmask.mgz --in mri/norm.mgz
>         --in-intensity-name norm
>         > >         --in-intensity-units MR --etiv --surf-wm-vol --ctab
>         > >         $FREESURFER_HOME/ASegStatsLUT.txt --subject 040002_S04
>         > >         atlas_icv (eTIV) = 1948106 mm^3 (det: 1.000000 )
>         > >         Loading mri/aseg.mgz
>         > >         Getting Cerebral WM volumes from surface
>         > >         lh white matter volume 246101
>         > >         rh white matter volume 251160
>         > >         Loading mri/norm.mgz
>         > >         Loading mri/norm.mgz
>         > >         Loading mri/brainmask.mgz
>         > >         # nbrainmaskvoxels 1766623
>         > >         # brainmaskvolume 1766623.0
>         > >         # nbrainsegvoxels 1310448
>         > >         # brainsegvolume 1310448.0
>         > >         Voxel Volume is 1 mm^3
>         > >         Generating list of segmentation ids
>         > >         Found 50 segmentations
>         > >         Computing statistics for each segmentation
>         > >         1 2 Left-Cerebral-White-Matter 247216 247216
>         > >
>         > >         Looking at the log files for several other
>         subjects, they all
>         > >         have a determinant of 1.  However, all of the
>         other numbers -
>         > >         brainmask, brain seg volume, individual regions -
>         are all
>         > >         unique and correct.  It is just the icv.  Can
>         anyone point me
>         > >         in the right direction of how to investigate the
>         determinant
>         > >         value?
>         > >
>         > >         Here is the mri_segstats version: # cvs_version $Id:
>         > >         mri_segstats.c,v 1.33.2.5 2009/02/11 22:38:51
>         nicks Exp $
>         > >
>         > >         Thanks!
>         > >         Jeff Sadino
>         > >        
>         
> ------------------------------------------------------------------------
>         > >
>         > >         _______________________________________________
>         > >         Freesurfer mailing list
>         > >         Freesurfer@nmr.mgh.harvard.edu
>         <mailto:Freesurfer@nmr.mgh.harvard.edu>
>         > >         <mailto:Freesurfer@nmr.mgh.harvard.edu
>         <mailto:Freesurfer@nmr.mgh.harvard.edu>>
>         > >        
>         https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>         > >
>         > >
>         > >     --
>         > >     Douglas N. Greve, Ph.D.
>         > >     MGH-NMR Center
>         > >     gr...@nmr.mgh.harvard.edu
>         <mailto:gr...@nmr.mgh.harvard.edu>
>         <mailto:gr...@nmr.mgh.harvard.edu
>         <mailto:gr...@nmr.mgh.harvard.edu>>
>         > >     Phone Number: 617-724-2358 Fax: 617-726-7422
>         > >
>         > >     Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>         <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>
>         > >     <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>
>         > >     FileDrop:
>         www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>         <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>
>         > >    
>         <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>
>         > >
>         > >
>         >
>         > --
>         > Douglas N. Greve, Ph.D.
>         > MGH-NMR Center
>         > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>
>         > Phone Number: 617-724-2358
>         > Fax: 617-726-7422
>         >
>         > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>         <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>
>         > FileDrop:
>         www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>         <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>
>         >
>         > _______________________________________________
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>         >
>         >
>
>
>

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358 
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html

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