Hi Bruce,

I found on http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Talairach

Fixing Bad Output From the Talairach Registration

FreeSurfer computes a linear Talairach transform contained in a 3x4 matrix
in a file called talairach.xfm and is located in the <subject
name>/mri/transforms directory. Under some circumstances, the alignment can
*fail the automatic failure detection scheme* (-tal-check flag, which can be
disabled via -notal-check).
Indeed, when I run recon-all with -notal-check, I donot see:

*#@# Talairach Failure Detection Wed Apr  6 12:36:53 EDT 2011
in recon-all-staus.log file any more.

Does this mean I have to do the manual talairach registration every time I
run my recon-all, as it is a time consuming process?
Is there any thing (from an acquisition perspective or otherwise) to
eliminate this problem?


Thanks in advance.




On Thu, Apr 7, 2011 at 12:27 PM, Bruce Fischl <fis...@nmr.mgh.harvard.edu>wrote:

> but you don't know what else was running on the same node at the time, do
> you? Can you lock the amount of memory you will need? I think to be safe you
> want 3G, but maybe Nick can chime in
>
>
> On Thu, 7 Apr 2011, Saad Ramadan wrote:
>
> Hi Bruce,
>>
>> it is a cluster here a Brigham and wouldnot expect it to be low on memory.
>> When I run a shell:
>> free -mt
>>
>> I get:
>>
>>
>>                 total       used       free     shared    buffers
>> cached
>> Mem:          3950       2918       1031          0        163       1596
>> -/+ buffers/cache:       1158       2791
>> Swap:         3820        125       3694
>> Total:          7770       3044       4725
>>
>>
>> On Thu, Apr 7, 2011 at 10:52 AM, Bruce Fischl <fis...@nmr.mgh.harvard.edu
>> >wrote:
>>
>> how much memory do you have in that machine?
>>>
>>> Bruce
>>>
>>> On Thu, 7 Apr 2011, Saad Ramadan wrote:
>>>
>>> Dear all,
>>>
>>>>
>>>>
>>>> I ran (on an isotropic MPRAGE ):
>>>>
>>>> recon-all -subject  mysubject  -i
>>>> ./DICOM/test.25.1.2010.04.27.21.51.18.31250.14004670.IMA -autorecon-all
>>>>
>>>> which ran for few hours and then exited without a successful end as can
>>>> be
>>>> seen on log file below.
>>>>
>>>>
>>>> Contents of *recon-all-status.log* are:
>>>>
>>>> Wed Apr  6 12:31:55 EDT 2011
>>>> #@# MotionCor Wed Apr  6 12:33:10 EDT 2011
>>>> #@# Nu Intensity Correction Wed Apr  6 12:33:40 EDT 2011
>>>> #@# Talairach Wed Apr  6 12:35:22 EDT 2011
>>>> *#@# Talairach Failure Detection Wed Apr  6 12:36:53 EDT 2011
>>>> *#@# Intensity Normalization Wed Apr  6 12:36:53 EDT 2011
>>>> #@# Skull Stripping Wed Apr  6 12:41:44 EDT 2011
>>>> #@# EM Registration Wed Apr  6 14:16:04 EDT 2011
>>>> #@# CA Normalize Wed Apr  6 15:18:54 EDT 2011
>>>> #@# CA Reg Wed Apr  6 15:22:59 EDT 2011
>>>>
>>>> The last few lines of *recon-all.log*   produces:
>>>>
>>>> 0091: dt=0.112000, rms=0.700 (-0.001%), neg=0, invalid=766
>>>> resetting metric properties...
>>>> setting smoothness coefficient to 10.00
>>>> blurring input image with Gaussian with sigma=2.000...
>>>> 0000: dt=0.000, rms=0.638, neg=0, invalid=766
>>>> 0092: dt=0.772947, rms=0.623 (2.335%), neg=0, invalid=766
>>>> 0093: dt=0.028000, rms=0.622 (0.145%), neg=0, invalid=766
>>>> 0094: dt=0.028000, rms=0.622 (-0.063%), neg=0, invalid=766
>>>> blurring input image with Gaussian with sigma=0.500...
>>>> 0000: dt=0.000, rms=0.622, neg=0, invalid=766
>>>>
>>>>
>>>> Do you have any idea what is going wrong here?
>>>>
>>>> Thanks
>>>>
>>>>
>>>>
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