Hi,
That's right.
There shouldn't be any real difference (although sometimes there
are very slight numerical differences, but nothing big) if you only
want to apply a single transformation to all the volumes in a 4D series.
All the best,
Mark
On 8 Oct 2007, at 10:45, Lea Krugel wrote:
> Dear FSL people,
>
> I'd like to know whether "applyxfm4D" with only one transformation
> matrix
> for all the volumes of a functional data set leads to somehow
> different
> results than flirt in combination with "applyxfm" and "init".
> I'm asking because I used "applyxfm" for my functional data and
> FEAT has no
> problems in recognising the correct number of time points, so I
> guess the
> "applyxfm" command works fine here, also for functional data. My
> understanding of "applyxfm4D" would then be that it is the right
> tool when
> applying more than one transformation matrix to the data, but with
> only one
> there is no difference between "applyxfm" and "applyxfm4D". Is that
> right or
> might there be problems with my output in later analysis steps?
>
> Thanks a lot,
> Lea
>
>
>
> -------------------------------------------
> Lea Krugel
>
> Max Planck Institute for Human Development
> Neurocognition of decision making
> Lentzeallee 94
> 14195 Berlin
> Tel.: +49-30-82406618
> Fax: +49-30-82406616
> email: [log in to unmask]
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