Cha Zhang Zhaozheng Yin Dinei A. F. Florêncio Improving depth perception with motion parallax and its application in teleconferencing. 1-6 2009 MMSP http://dx.doi.org/10.1109/MMSP.2009.5293309 conf/mmsp/2009 db/conf/mmsp/mmsp2009.html#ZhangYF09