[MINC-users] nonlinear transformation

[D. Louis Collins]

Rezwan,

that is pretty funny - the result looks very square.

Can you show a result of the linear registration?  I'd like to see the 
same slices if possible.

-L

On Nov 22, 2005, at 9:34 AM, Rezwan Ghassemi wrote:

> Hi,
>
> I have also tried it. the attached file is output of non-linear 
> transformation
> to stx 305 model.
>
> Would you please let me know what is wrong with it?
>
> thanks
> Rezwan
> --- "D. Louis Collins" <louis.collins at mcgill.ca> wrote:
>
>> Oliver,
>>
>> Please post a few screen shots of the problem and I
>> should be able to
>> give you some pointers.
>>
>> -Louis
>>
>>
>> On Nov 21, 2005, at 8:30 AM, Oliver Winz wrote:
>>
>>> Hello everybody,
>>>
>>> i have a problem concering nonlinear
>> transformation to stereotaxic
>>> space. The final MRI after transformation is very
>> suspect. Maybe i
>>> forgot a very important part in the processing
>> steps and someone can
>>> give a hint.
>>> Here is my complete procedure:
>>>
>>>
>>>> dcm2mnc input*.IMA destdir/
>>>> mritotal inputMRI.mnc outputTrans-Lin.xfm
>>>> mritotal -nonlinear -transformation
>> outputTrans-Lin.xfm inputMRI.mnc
>>> outputTrans-NonLin.xfm
>>>> mincresample -transformation
>> outputTrans-NonLin.xfm -like
>
>>> average305.mnc inputMRI.mnc outputMRI-toTAL.mnc
>>>
>>>> mritotal -version
>>> Program mritotal, built from:
>>> Package MNI AutoReg, version 0.98r, compiled by
>> owinz at medpc66
>>> (i686-pc-linux-gnu) on 2005-02-24 at 17:58:14
>>>
>>> I'm working on Pentium V 3.0 GHz, running SuSE
>> Linux 9.2 with kernel
>>> 2.6.8-24.18-smp
>>> I get the DICOM MRI's from a Magneton VISION 1.5
>> T, Siemens, Erlangen,
>>> Germany) using a 3D T1-weighted MPRAGE sequenze
>> (voxel size = 1 x 1 x
>>> 1 mm³)
>>>
>>> Everyone who's interested in a screenshot, please
>> let me know, i will
>>> send to you.
>>> Thanks in advance!!
>>> Greetings,
>>> Oliver
>>>
>>>
>>>
>>> -- 
>>> Oliver Winz, M.Sc.
>>> Molecular Neuroimaging Group
>>> Institute of Medicine (IME)
>>> Research Centre Juelich
>>> D-52425 Juelich
>>> Germany
>>>
>>> Phone: +49 2461 61-6493
>>> Web: http://www.fz-juelich.de/ime/mni
>>> Location: Building 15.9, Room 3010
>>>
>>> _______________________________________________
>>> MINC-users at bic.mni.mcgill.ca
>>>
>> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
>>>
>>
>>
>> _______________________________________________
>> MINC-users at bic.mni.mcgill.ca
>> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
>>
> <non-linear.jpg>