Hi FSL experts,
In reading through the documentation of the new FSL eddy tool and user posts it is not clear to me how rotating bvecs is performed in the tool. I have seen a variety of methods through the older user posts.
a) Is the affine matrix calculated for each direction to the reference B0 scan and then this matrix is directly applied to the original bvec from the header
or
b) The rotational component of the affine matrix is extracted and then applied to the original bvec
or
c) Some other method?
Thanks,
Ajay
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