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Hi Matt,

Should -R do that automatically?

On Tue, Mar 23, 2010 at 11:39 AM, Matt Glasser <[log in to unmask]> wrote:
> Moving the center of the initial sphere ( -c X Y Z ) closer to the front of
> the brain might help.
>
> Peace,
>
> Matt.
>
> -----Original Message-----
> From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf
> Of Xue, Feng
> Sent: Monday, March 22, 2010 10:32 PM
> To: [log in to unmask]
> Subject: Re: [FSL] BET in infants
>
> Hi,
>
> Many be you could try draw a mask on the T1 image in fslview then mask
> out those regions. But this may means a lot of labor as I did before:(
> I wonder if anyone have other good idea?
>
> On Tue, Mar 23, 2010 at 12:21 AM, Michael Yoong <[log in to unmask]>
> wrote:
>> Does anyone have any tips on using BET to skull strip T1 weighted scans in
>> very young children (under 6 months)?
>>
>> I have been adjusting the intensity settings and got a reasonable result
>> with -R -f 0.7, but there is a persistent small patch of skull remaining
> in
>> the occipital region of every child under 6 months. I would like to
> improve
>> on this, as it messes up any co-registration I then go on to do (I also
>> would like to get measurements for brain volume).
>>
>> Are there any other settings that people have found useful to tweak in
> this
>> situation?
>>
>> I am also having trouble getting a satisfactory brain extraction on some
>> other scans with more severe abnormalities - is there any way to mask out
> a
>> region so that it is ignored by BET? (A couple of the children have had
>> previous neurosurgery for VP shunt insertion and the edges of the surgical
>> lesion are not dealt with very well by BET.
>>
>> Many thanks,
>>
>> Michael
>>
>
>
>
> --
> Best Regards
>
> Xue, Feng Phd. candidate
> Major in Developmental Cognitive Neuroscience
>
> National Key Laboratory of Cognitive Neuroscience and Learning
> Beijing Normal University
> Beijing, China. 100875
> Tel: +86-13810154455
> web: http://psychbrain.bnu.edu.cn
> ==============================================
> Welcome to MuDuo JinSheng BBS @ Beijing Normal University
> telnet://bbs.mdjs.org
> http://bbs.mdjs.org
>



-- 
Best Regards

Xue, Feng Phd. candidate
Major in Developmental Cognitive Neuroscience

National Key Laboratory of Cognitive Neuroscience and Learning
Beijing Normal University
Beijing, China. 100875
Tel: +86-13810154455
web: http://psychbrain.bnu.edu.cn
==============================================
Welcome to MuDuo JinSheng BBS @ Beijing Normal University
telnet://bbs.mdjs.org
http://bbs.mdjs.org