Giuseppe Boccignone Angelo Marcelli Paolo Napoletano Mario Ferraro Motion Estimation via Belief Propagation. 55-60 2007 conf/iciap/2007 ICIAP http://doi.ieeecomputersociety.org/10.1109/ICIAP.2007.88 db/conf/iciap/iciap2007.html#BoccignoneMNF07