One of the approaches in diffusion tensor imaging is to consider a
Riemannian metric given by the inverse diffusion tensor . Such a
metric is used for white matter tractography and connectivity
analysis. We propose a modified metric tensor given by the adjugate
rather than the inverse diffusion tensor. Tractography experiments
on real brain diffusion data show improvement in the vicinity of
isotropic diffusion regions compared to results for inverse
(sharpened) diffusion tensors.