Kuangrong Hao Yongsheng Ding Trinocular matching realized by a monocular stereovision sensor for parallel manipulator. 1436-1441 2008 ICARCV http://dx.doi.org/10.1109/ICARCV.2008.4795734 conf/icarcv/2008 db/conf/icarcv/icarcv2008.html#HaoD08