Yes NITRC Convert MNI coordinates to or from XYZ Input either normalized "MNI" coordinates from a 3D image, or input "real world" XYZ matrix coordinates, and this code will convert coordinates of one type to the other. 2011-10-26 version2 2011-4-09 1.0 Convert MNI coordinates to or from XYZ MR, Schizophrenia http://www.nitrc.org/projects/mni2orfromxyz/, http://www.nitrc.org/projects/mni2orfromxyz/