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Hi all,
  I have calculated some DTI images of the eigen vectors and eigen values
of the diffusion tensor, using some DTI scans. In other words I have 3 DTI
images for the eigenvalues (one image for each eigenvalue) and 9 images
for the eigen vectors (3 images per vector, 1 image for each coordinate of
the vector). I am trying to register these calculated images with MNI (or
Talairach) space. It is obvious that for eigenvalues images I can use
FLIRT, since these images are comprised of scalar quantities. What about
the eigenvectors images? Do you think that I can use FLIRT? Will the
interpolation (that makes sense for scalar quantities) work for the
vectors?


Thank you in advance,
Stamatis