It's not that errors in the surfaces are *never* present, but HCP
structurals are indeed overall pretty awesome! :)
We work hard to reacquire additional structurals when necessary so that
all the HCP subjects have a "good" structural or better.
In the small number of cases where there are very localized issues in the
surfaces we have just accepted those.
In the very small number of cases with larger issues (e.g., due to a
problem during FS's topology correction) we have just set those subjects
aside (not released them yet) while we focusing on processing other
subjects.

cheers,
-MH

--
Michael Harms, Ph.D.

-----------------------------------------------------------
Conte Center for the Neuroscience of Mental Disorders
Washington University School of Medicine
Department of Psychiatry, Box 8134
660 South Euclid Ave.           Tel: 314-747-6173
St. Louis, MO  63110                    Email: [email protected]




On 10/24/14 1:49 PM, "Gaurav Patel" <[email protected]> wrote:

>ok thanks...I was wondering how you guys handle errors like these?  Or
>are your data so awesome that it never happens? ;-)
>
>__________________________
>  gaurav patel
>  [email protected]
>  www.neurofreak.net
>
>
>
>
>On Oct 24, 2014, at 2:46 PM, Harms, Michael wrote:
>
>>
>> Hi Gaurav,
>> As the pipelines currently stand, they haven't yet been extended to
>>incorporate manual FS edits.  It shouldn't be overly difficult for
>>someone familiar with FS editing and the various stages in FS to modify
>>the pipelines appropriately.
>>
>> cheers,
>> -MH
>>
>> --
>> Michael Harms, Ph.D.
>> -----------------------------------------------------------
>> Conte Center for the Neuroscience of Mental Disorders
>> Washington University School of Medicine
>> Department of Psychiatry, Box 8134
>> 660 South Euclid Ave.  Tel: 314-747-6173
>> St. Louis, MO  63110  Email: [email protected]
>>
>> From: Gaurav Patel <[email protected]>
>> Date: Friday, October 24, 2014 1:37 PM
>> To: HCP Users <[email protected]>
>> Subject: [HCP-Users] freesurfer errors
>>
>> Hi!  I've run a number of subjects acquired on our GE scanner through
>>the pipeline without issue until now.  With this particular subject I am
>>seeing freesurfer segmentation errors where the pial surface estimate
>>includes dura (see attached picture--scan was 2x.8mm isotropic FSPGR).
>>These errors are present with freesurfer versions 5.2 and 5.3-HCP (I
>>haven't tried plain 5.3 yet but my guess is that it would be the same).
>>I know how to correct these when using freesurfer by itself, but I was
>>wondering how you handle this within the pipeline--it seems that I would
>>have to manually skip the initial parts of the FreeSurfer pipeline to
>>incorporate my manual edits which seems messy.  Any advice?  Thanks!
>>
>>
>> _______________________________________________
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>> [email protected]
>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users
>> <Screen shot 2014-10-24 at 2.29.37 PM.png>
>>
>>
>> __________________________
>>   gaurav patel
>>   [email protected]
>>   www.neurofreak.net
>>
>>
>>
>>
>>
>>
>>
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