hmmm, maybe the nonlinearities between days are too big for the 
registration.

Bruce
On Sun, 12 Aug 2012, Garikoitz Lerma Usabiaga wrote:

> Many thanks Bruce,
> I will choose the best one in this case.
>
> The command line was:
> recon-all -s B_06 -qcache -measure thickness -all
> (I already had copied by hand the /mri/orig/001.mgz and 002.mgz)
>
> Just in case I repeated the process with the original files, but I had 
> exactly the same results. This was the command line:
> recon-all -i 
> /home/glerma/glerma/freesurfer/subjects/BERTSO_MRI/BS3_06/58153751 -i 
> /home/glerma/glerma/freesurfer/subjects/BERTSO_MRI/SESION2/06_BERTSOLARI_IEA/54336388
>  -s B_06c -qcache -measure thickness -all
>
>
> thanks!
> Gari
>
>
> On 2012-08-10, at 19:05, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
>
>> what was your command line (now I sound like Doug)? Including structurals 
>> from different days may not work as you may have large differential 
>> distortions due to differences in e.g. shimming, gradient nonlinearities, 
>> etc... that will preclude an accurate motion correction. Certainly it failed 
>> in this case.
>>
>> cheers
>> Bruce
>>
>> On Fri, 10 Aug 2012, Garikoitz Lerma Usabiaga wrote:
>>
>>> Thanks for the answer Bruce,
>>> it is still running, so I killed the process.
>>>
>>> When using two individual structural images separately, the recon-all 
>>> process was OK. When I tried to use both structurals, I can check that the 
>>> T1.mgz has some strange distortions (please check image attached).
>>>
>>>
>>>
>>>
>>>
>>> When it is ok using two structurals (different days, same subject)? In this 
>>> is case, is there something we can do to fix it or should be use just one 
>>> of them?
>>>
>>>
>>> Many thanks,
>>> Gari
>>>
>>>
>>>
>>> On 2012-08-05, at 23:25, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
>>>
>>>> Hi Gari
>>>>
>>>> is it still running? The time it takes is square in the convex hull of the 
>>>> largest defect, so that can take a long time. A 45K defect is too big and 
>>>> typically means something is dramatically wrong, like the cerebellum or 
>>>> skull is attached.
>>>>
>>>> cheers
>>>> Bruce
>>>>
>>>>
>>>> On Sun, 5 Aug 2012, Garikoitz Lerma Usabiaga wrote:
>>>>
>>>>> Hi FS experts, I've run recon-all -i file -s subject -qcache -measure
>>>>> thickness -all to:
>>>>> - 18 subjects, session 1 T1
>>>>> - same 18 subjects, session 2 T1
>>>>> and everything went well.
>>>>> Then I copied the <subject_id_session>/mri/orig/001.mgz-s to
>>>>> <subject_id>/mri/orig/001.mgz and 002.mgz, and run the same command again:
>>>>> recon-all -s <subject_id>  -qcache -measure thickness -all
>>>>> Half of the subjects are failing when trying to correct the topology. 
>>>>> Please
>>>>> find below the outputs of two of the subjects.
>>>>> Should I use the -i and the original files instead of the already created
>>>>> 001.mgz files? What should I check in order to avoid this error or what
>>>>> should I do in order to correct it?
>>>>> thank you very much,
>>>>> Gari
>>>>> *************************************************************
>>>>> INFO: assuming .mgz format
>>>>> $Id: mris_fix_topology.c,v 1.44 2010/05/27 23:37:16 nicks Exp $
>>>>>  $Id: mrisurf.c,v 1.678 2010/05/28 21:22:21 rpwang Exp $
>>>>> before topology correction, eno=-956 (nv=167898, nf=337708, ne=506562,
>>>>> g=479)
>>>>> using quasi-homeomorphic spherical map to tessellate cortical surface...
>>>>> Correction of the Topology
>>>>> Finding true center and radius of Spherical Surface...done
>>>>> Surface centered at (0,0,0) with radius 100.0 in 10 iterations
>>>>> marking ambiguous vertices...
>>>>> 127705 ambiguous faces found in tessellation
>>>>> segmenting defects...
>>>>> 125 defects found, arbitrating ambiguous regions...
>>>>> analyzing neighboring defects...
>>>>>      -merging segment 6 into 1
>>>>>      -merging segment 9 into 1
>>>>>      -merging segment 21 into 1
>>>>>      -merging segment 24 into 1
>>>>>      -merging segment 26 into 1
>>>>>      -merging segment 29 into 1
>>>>>      -merging segment 44 into 1
>>>>>      -merging segment 56 into 1
>>>>>      -merging segment 2 into 1
>>>>>      -merging segment 65 into 1
>>>>>      -merging segment 67 into 1
>>>>>      -merging segment 71 into 1
>>>>>      -merging segment 4 into 1
>>>>>      -merging segment 12 into 1
>>>>>      -merging segment 34 into 18
>>>>>      -merging segment 30 into 19
>>>>>      -merging segment 38 into 35
>>>>>      -merging segment 61 into 47
>>>>>      -merging segment 107 into 106
>>>>>      -merging segment 115 into 113
>>>>> 105 defects to be corrected
>>>>> 0 vertices coincident
>>>>> reading input surface
>>>>> /home/BCBL/glerma/freesurfer/subjects/BERTSO/B_16/surf/lh.qsphere.nofix...
>>>>> reading brain volume from brain...
>>>>> reading wm segmentation from wm...
>>>>> Computing Initial Surface Statistics
>>>>>      -face       loglikelihood: -7.9838  (-3.9919)
>>>>>      -vertex     loglikelihood: -5.7349  (-2.8674)
>>>>>      -normal dot loglikelihood: -3.5106  (-3.5106)
>>>>>      -quad curv  loglikelihood: -6.1770  (-3.0885)
>>>>>      Total Loglikelihood : -23.4063
>>>>> CORRECTING DEFECT 0 (vertices=23, convex hull=21)
>>>>> After retessellation of defect 0, euler #=-32 (96640,274187,177515) :
>>>>> difference with theory (-102) = -70
>>>>> CORRECTING DEFECT 1 (vertices=44927, convex hull=14482)
>>>>> Topology Correction Parametersretessellation mode:           genetic 
>>>>> search
>>>>> number of patches/generation : 10
>>>>> number of generations :        10
>>>>> surface mri loglikelihood coefficient :         1.0
>>>>> volume mri loglikelihood coefficient :          10.0
>>>>> normal dot loglikelihood coefficient :          1.0
>>>>> quadratic curvature loglikelihood coefficient : 1.0
>>>>> volume resolution :                             2
>>>>> eliminate vertices during search :              1
>>>>> initial patch selection :                       1
>>>>> select all defect vertices :                    0
>>>>> ordering dependant retessellation:              0
>>>>> use precomputed edge table :                    0
>>>>> smooth retessellated patch :                    2
>>>>> match retessellated patch :                     1
>>>>> verbose mode :                                  0
>>>>> *************************************************************
>>>>> INFO: assuming .mgz format
>>>>> $Id: mris_fix_topology.c,v 1.44 2010/05/27 23:37:16 nicks Exp $
>>>>>  $Id: mrisurf.c,v 1.678 2010/05/28 21:22:21 rpwang Exp $
>>>>> before topology correction, eno=-600 (nv=159708, nf=320616, ne=480924,
>>>>> g=301)
>>>>> using quasi-homeomorphic spherical map to tessellate cortical surface...
>>>>> Correction of the Topology
>>>>> Finding true center and radius of Spherical Surface...done
>>>>> Surface centered at (0,0,0) with radius 100.0 in 8 iterations
>>>>> marking ambiguous vertices...
>>>>> 115040 ambiguous faces found in tessellation
>>>>> segmenting defects...
>>>>> 96 defects found, arbitrating ambiguous regions...
>>>>> analyzing neighboring defects...
>>>>>      -merging segment 16 into 0
>>>>>      -merging segment 39 into 0
>>>>>      -merging segment 48 into 0
>>>>>      -merging segment 22 into 21
>>>>>      -merging segment 38 into 34
>>>>>      -merging segment 42 into 37
>>>>>      -merging segment 70 into 69
>>>>> 89 defects to be corrected
>>>>> 0 vertices coincident
>>>>> reading input 
>>>>> surface/home/BCBL/glerma/freesurfer/subjects/BERTSO/B_11b/surf/lh.qsphere.nofix...
>>>>> reading brain volume from brain...
>>>>> reading wm segmentation from wm...
>>>>> Computing Initial Surface Statistics
>>>>>      -face       loglikelihood: -7.9998  (-3.9999)
>>>>>      -vertex     loglikelihood: -5.5541  (-2.7771)
>>>>>      -normal dot loglikelihood: -3.5423  (-3.5423)
>>>>>      -quad curv  loglikelihood: -6.1041  (-3.0520)
>>>>>      Total Loglikelihood : -23.2003
>>>>> CORRECTING DEFECT 0 (vertices=41794, convex hull=12626)
>>>>>
>>>>
>>>>
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