Hi
yes, bet (with the -B option) corrects for non-uniformity (bias field).
Alternatively you can try using FAST (tissue segmentation in order to
get an estimate of the bias field and remove it from the image.
hth
christian
On 20 Oct 2007, at 19:08, Defeng WANG wrote:
> Hi,
>
> Thanks for you reply. I know by adjusting parameters the acceptable
> result can be obtained. As for my dataset, I still need to perform
> the intensity non-uniformity correction. Is there any command in
> FSL which has this kind of function?
>
> Cheers!
> Defeng
> ----- Original Message ----- From: "Christian F. Beckmann"
> <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, October 21, 2007 12:24 AM
> Subject: Re: [FSL] BET and Intensity non-uniformity correction
>
>
>> Hi,
>>
>> have you tried using the -R -S and/or -B options with the command
>> line version of BET? HJust type 'bet' in a terminal to get the usage.
>> hth
>> christian
>>
>>
>>
>> On 20 Oct 2007, at 16:51, Defeng WANG wrote:
>>
>>> Hi, FSLers,
>>>
>>> I am using BET to extract brain from T1 MRI scans. Most of the
>>> brains extracted contain some part of the skull, or even the
>>> scalp. I am wondering if the intensity non-uniformity correction
>>> can help improve the result of BET. Is there any command in FSL
>>> which can perform intensity non-uniformity correction?
>>>
>>> Thanks for any comments.
>>>
>>> Cheers!
>>> Defeng
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