Min Chul Sung Sang Hwa Lee Nam Ik Cho Stereo Matching using Multi-Directional Dynamic Programming and Edge Orientations. 233-236 2007 ICIP (1) http://dx.doi.org/10.1109/ICIP.2007.4378934 conf/icip/2007 db/conf/icip/icip2007-1.html#SungLC07