mri_label2vol will take segmentations as an input look at the --help
doug


On 02/15/2013 04:25 PM, Roderick McColl wrote:
> Sorry for the bother, but there isn't a label for L or R WM.
> Should I use mri_vol2vol on the aseg.mgz file and the mni152.register.dat
> file instead i.e. just register aseg.mgz into MNI152 space?
> Not sure how to make this use a nearest neighbor interpolation though.
> Thanks
> -roddy
>
> -----Original Message-----
> From: Douglas N Greve [mailto:gr...@nmr.mgh.harvard.edu]
> Sent: Friday, February 15, 2013 3:04 PM
> To: Roderick McColl
> Subject: Re: Convert aseg.mgz to .nii and into MNI space with FSL dimensions
>
> In that case, use mri_label2vol with the following reg 
> $FREESURFER_HOME/average/mni152.register.dat
> doug
>
> On 02/14/2013 11:02 AM, Roderick McColl wrote:
>> Thanks very much.
>> I should have made myself clearer.
>> I would like to use $FREESURFER_HOME/subjects/fsaverage/mr/aseg.mgz
>> for some analysis in MNI512 (FSL) space.
>> So should I use mni152reg on the orig.mgz file in that folder to generate 
>> the transform?
>> -roddy
>>
>> ________________________________________
>> From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
>> Sent: Wednesday, February 13, 2013 4:48 PM
>> To: Roderick McColl
>> Cc: 'Clark Fisher'; freesurfer@nmr.mgh.harvard.edu
>> Subject: Re: Convert aseg.mgz to .nii and into MNI space with FSL
>> dimensions
>>
>> you can use mni152reg to compute the registration to the MNI152 space.
>> Make sure to spec the 1mm target. You can then use mri_label2vol to
>> map aseg.mgz to the MNI152 space.
>>
>> doug
>>
>> On 02/13/2013 03:40 PM, Roderick McColl wrote:
>>> Hello all,
>>> I have a need to generate LH and RH WM masks for analysis.
>>> I can convert aseg.mgz to aseg.nii but the dims are 256x256x256 and I
>>> need to use the FSL MNI format which is 182x218x182.
>>> Is there a recipe for cropping / translating etc to match the
>>> aseg.mgz atlas with the FSL atlases?
>>> Thanks
>>> -roddy
>>>
>>> ---------------------------------------------------------------------
>>> ---
>>>
>>> UT Southwestern Medical Center
>>> The future of medicine, today.
>> --
>> 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
>> Outgoing:
>> ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>>
>>
>>
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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
> Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>
>
>
>

-- 
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
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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