I don't have any great suggestions here, as the code in SPM was written for 3D
volumes, and doesn't really cope with 2D slices. I'm afraid that someone
will need to write some new code in order to achieve your objective.
Best regards,
-John
On Wednesday 29 June 2005 17:15, Siawoosh Mohammadi wrote:
> hi dear SPM readers,
>
> is it possible to perform the affine normalization of SPM on a 3d-image,
> with the setting:
>
> 1)
>
> (x') ( a_11 a_12 0 ) (x) (y_1)
> (y')=( a_21 a_22 0 ) (y) + (y_2)
> (z') ( 0 0 1 ) (z) (0 )
>
> or even better:
>
> 2)
>
> (x'(k_z)) ( a_11(k_z) a_12(k_z) 0 ) (x) (y_1)
> (y'(k_z))=( a_21(k_z) a_22(k_z) 0 ) (y) + (y_2)
> (z') ( 0 0 1 ) (z) (0 )
>
> where k_z is the slice number.
>
> here my question in words:
>
> i would like to normalize a picture b_i to a template b_0.
> but i know that the image b_i is distorded only in the XY-plane
> (transformation 1))
> and this distorsions are not the same at each slice
> (transformation 2))
>
> how to do it best?
> comments are wellcome.
>
> byebye,
> siawoosh
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