Hi Andreas,
Not sure why you think that it shouldn't? Yes, the -aff starting
guess is the correct thing to use with the --premat option.
I think that maybe convertwarp can let you combine the affine and warp
into a composite warp.
Cheers, Steve.
On 23 Aug 2009, at 13:33, Andreas Bartsch wrote:
> Dear Jesper,
>
> a quick take on fnirt:
> Assume we estimate nonlinear warp coefficients using fnirt with the
> --aff starting guess. Now this transform shall be applied to another
> image using applywarp. It seems like this should be done NOT using --
> premat with the previous *.mat of the starting guess of using --aff
> in fnirt, right? (That is the question;)
> Hope all is well,
> cheers-
> Andreas
>
> PS: But what if I want to just estimate the warps from the affine
> and combine the linear and nonlinear registrations? (2nd question;)
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