Hi - if you just feed in a T1, then the core BET program will only
estimate the outer surface of the skull. However, using betsurf, and
T1 and T2 images, you can get more than that - see the BET2 technical
report and FSL manual page on BET for more details.
Cheers.
On 22 Oct 2007, at 03:49, Ying Chen wrote:
> Hello,
>
> "The Output exterior skull surface image option tells BET to
> produce an
> image which is an estimate of the exterior surface of the skull.
> All non-
> skull-surface points are 0 in this image, and skull-surface points are
> 100."
>
> But skull has certain thickness, so I wonder if BET can do the same
> thing
> as it can do for brain: 0 for voxels outside of the skull, and 1 for
> voxels inside. I wonder if BET can have volume output for skull and
> scalp
> other than surface output.
>
> Any information will be highly appreciated.
>
> Thanks,
> Ying
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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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