Hi,
It is a little more complicated than that - especially given that
images can have either left-handed or right-handed coordinate
systems. To find out how coordinates map between spaces
use the utilities img2imgcoord, img2stdcoord or std2imgcoord.
All the best,
Mark
On 9 Feb 2009, at 21:43, Xiuyuan Wang wrote:
> Dear FSL members:
>
> I was working on the brain registration on FSL 4.0 FLIRT. It did a
> really good job when I coregistered the post operation MRI image
> with the MNI standard one using DOF 12, and it gave me a 4*4
> transform matrix from post operation space to MNI space. What I want
> to know is: how does the flirt work on a single voxel? Is it just
> the multiplication of the transform matrix and [x;y;z;1] (x, y, z
> are the voxel positions in post operation space) ? Thank you.
>
> Best,
> Hugh
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