Prof. Smith,thanks for your quick response. I'll update my version.
Xin
On Sat, Dec 6, 2008 at 2:12 AM, Steve Smith <[log in to unmask]> wrote:
> Hi - I think you maybe have an old version - the latest version uses
> FMRIB58_FA_1mm - but yes, for the affine, it probably doesn't matter anyway.
> Cheers.
>
>
> On 5 Dec 2008, at 21:09, Xin Fan wrote:
>
>> Hi, Gwenaelle,
>>
>> Thanks for your response. But when I looked into the script of
>> 'tbss_3_postreg', I found that MNI152_T1_1mm was used as the reference
>> templatefor FLIRT. Maybe is it not a big deal to use either T1 or FA
>> image for affine registration? Or I'm wrong to understand the script?
>>
>> Thanks.
>>
>> Xin
>>
>> On Fri, Dec 5, 2008 at 9:20 AM, Gwenaëlle DOUAUD
>> <[log in to unmask]> wrote:
>>>
>>> Hi Xin,
>>>
>>> yes, it is registered with FLIRT (so linearly) to the FMRIB58 FA 1mm
>>> template (see http://www.fmrib.ox.ac.uk/fsl/data/FMRIB58_FA.html).
>>>
>>> Cheers,
>>> Gwenaelle
>>>
>>>
>>> --- En date de : Ven 5.12.08, Xin Fan <[log in to unmask]> a écrit
>>> :
>>>
>>>> De: Xin Fan <[log in to unmask]>
>>>> Objet: [FSL] A TBSS question
>>>> À: [log in to unmask]
>>>> Date: Vendredi 5 Décembre 2008, 15h50
>>>> Dear FSL experts,
>>>>
>>>> I have a question on the third step of the TBSS process.
>>>> After
>>>> choosing the target image by non-linear registration, the
>>>> algorithm
>>>> 'takes the target image and affine-algns it into MNI152
>>>> space'. I
>>>> wonder how it determines the affine transformation. Is
>>>> there a
>>>> standard FA image in the MNI152 space to which the target
>>>> FA image is
>>>> registered? Or only upsampling is applied to bring the
>>>> target
>>>> resolution to 1mm by 1mm by 1mm? Thanks.
>>>>
>>>> Sincerely
>>>>
>>>> --
>>>> Xin Fan, PhD
>>>> Web: http://www.vcipl.okstate.edu/~fanxin
>>>
>>>
>>>
>>>
>>
>>
>>
>> --
>> Xin Fan, PhD
>> Web: http://www.vcipl.okstate.edu/~fanxin
>>
>
>
> ---------------------------------------------------------------------------
> Stephen M. Smith, Professor of Biomedical Engineering
> Associate Director, Oxford University FMRIB Centre
>
> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
> +44 (0) 1865 222726 (fax 222717)
> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve
> ---------------------------------------------------------------------------
>
--
Xin Fan, PhD
Web: http://www.vcipl.okstate.edu/~fanxin
|