newMriImageWithDataRepresentation(image, representation = c("dense", "coordlist"))MriImage object.image with using the specified data representation, i.e. an array (with representation="dense") or a SparseArray (with representation="coordlist").J.D. Clayden, S. Muñoz Maniega, A.J. Storkey, M.D. King, M.E. Bastin & C.A. Clark (2011). TractoR: Magnetic resonance imaging and tractography with R. Journal of Statistical Software 44(8):1-18.
MriImage , SparseArray , array