Yuyu Liu Keisuke Yamaoka Hiroyuki Sato Akira Nakamura Yoshiaki Iwai Ken-ichiro Ooi Weiguo Wu Takayuki Yoshigahara Eye-contact visual communication with virtual view synthesis. 235-240 2005 CCNC https://doi.org/10.1109/CCNC.2005.1405175 conf/ccnc/2005 db/conf/ccnc/ccnc2005.html#LiuYSNIOWY05