Fortunato Silva de Menezes Davi Geiger Ricardo Martins Abreu e Silva George Distler Arefin Hu Forward-backward study of the stereo vision problem. 664-668 2009 180 Computer Physics Communications 4 http://dx.doi.org/10.1016/j.cpc.2009.01.016 db/journals/cphysics/cphysics180.html#MenezesGSDH09