Hi,
What is the resolution and FOV of your images?
And what sort of hardware/OS are you running it on?
High resolution and low memory can make the run-times
much longer.
Also, please tell us exactly how you are running fnirt
and what options you are using.
We need more information in order to be able to help
effectively.
All the best,
Mark
On 6 Dec 2008, at 23:37, siamak wrote:
> Hi,
>
> I have two problems with the fnirt command:
> 1. It lasts about 12 hours to register two structural T1 images.
> I've read in
> some posted messages that it is around 1 hour.
> 2. Sometimes, it fails to register and the result is the message
> "failed to
> initial..".
> Is there any idea?
>
> Siamak
>
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