Validation of Non-Rigid Registration Between Functional and Anatomical Magnetic Resonance Brain Images. - Ali Gholipour; Nasser Kehtarnavaz; Richard W. Briggs; Kaundinya S. Gopinath; Wendy Ringe; Anthony Whittemore; Sergey Cheshkov; Khamid Bakhadirov (IEEE Trans. Biomed. Eng., 2008)