Thanks Steve,
I think that's going to help me with my problem.
Marcus
---- Original message ----
>Date: Fri, 4 Apr 2008 09:00:15 +0100
>From: Steve Smith <[log in to unmask]>
>Subject: Re: [FSL] aliasing effecting betsurf, is there an easy fix
>To: [log in to unmask]
>
>Hi - I presume you mean that you have wraparound? If the wraparound of
>the edges of the brain is not overlapping then I suggest cutting and
>reordering chunks of your data with fslroi and fslmerge. Otherwise, if
>it is badly overlapping yes you can try BET but this will not be able
>to fully clean up your data - you would need customised analysis to
>try to clean up the overlap, but it won't be easy....
>
>Cheers.
>
>On 4 Apr 2008, at 07:52, Marcus Slavenas wrote:
>> Hi,
>> I've been able to get good segmentation of scalp, skull, csf, grey
>> matter, and white matter using
>> betsurf with a T1/T2 image set in the past. However, some of my
>> newer data has some aliasing in
>> the T2 image that badly distorts the segmentation. I have some
>> ideas on how I might take care of
>> this, but I was hoping someone could recommend a quick fix. It
>> seems that something like BET (but
>> simpler) would do the trick.
>> Thanks,
>> Marcus
>>
>
>
>------------------------------------------------------------
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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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