Sébastien Ourselin Alexis Roche Sylvain Prima Nicholas Ayache Block Matching: A General Framework to Improve Robustness of Rigid Registration of Medical Images. 557-566 2000 conf/miccai/2000 MICCAI db/conf/miccai/miccai2000.html#OurselinRPA00 http://dx.doi.org/10.1007/978-3-540-40899-4_57