index to define a subcube in x-direction. If is.null(xind) all voxel indices are used.
yind
index to define a subcube in y-direction. If is.null(yind) all voxel indices are used.
zind
index to define a subcube in z-direction. If is.null(zind) all voxel indices are used.
Value
For function medinria2tensor: object of class "dtiTensor".
References
P. Fillard, J. Souplet and N. Toussaint
Medical Image Navigation and Research Tool by INRIA (MedINRIA),
INRIA Sophia Antipolis - Research Project ASCLEPIOS 2007