Voicu Popescu Jordan Dauble Chunhui Mei Elisha Sacks An Efficient Error-Bounded General Camera Model. 121-128 2006 conf/3dpvt/2006 3DPVT http://doi.ieeecomputersociety.org/10.1109/3DPVT.2006.26 db/conf/3dpvt/3dpvt2006.html#PopescuDMS06