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Donnell LJO, Wells WM, Golby AJ, Westin C-F. Unbiased groupwise registration of white matter tractography. Med Image Comput Comput Assist Interv 2012;15(Pt 3):123-30.
We present what we believe to be the first investigation into unbiased multi-subject registration of whole brain diffusion tractography of the white matter. To our knowledge, this is also the first entropy-based objective function applied to fiber tract registration. To define the probability of fiber trajectories for the computation of entropy, we take advantage of a pairwise fiber distance used as the basis for a Gaussian-like kernel. By employing several values of the kernel’s scale parameter, the method is inherently multi-scale. Results of experiments using synthetic and real datasets demonstrate the potential of the method for simultaneous joint registration of tractography.Last updated on 02/24/2023