thanks steve - that makes sense. i will update my fsl version and see
what happens.
cheers, michael
On 8-Nov-08, at 2:20 AM, Steve Smith wrote:
> HI - this would be the normal behaviour on the previous (FSLv4.0,
> TBSSv1.1) version - because images fed into the old nonlinear reg had
> to be integer format, the FA values were scaled up by a factor of
> 10000. The old manual discusses this - does that explain things?
>
> Cheers.
>
>
> On 7 Nov 2008, at 21:29, Michael Scheel wrote:
>
>> Hi fsl experts,
>>
>> I ran the tbss scripts on 5 subjects using the FMRI_B58FA as the
>> target. My
>> mean_FA_skeleton looks alright but the values are appearently too
>> big and it
>> seems that it would be by a factor of 1000. So instead of 0.6 I see
>> around
>> 6000 in the internal capsule or instead of 0.8 around 8000 in the
>> Corpus
>> callosum.
>> Any idea what's this causing?
>>
>> Thanks, Michael
>>
>
>
> ---------------------------------------------------------------------------
> 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
> ---------------------------------------------------------------------------
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