Hiroyuki Maeda Kazuhiko Hirose Jun Yamashita Koichi Hirota Michitaka Hirose All-Around Display for Video Avatar in Real World. 288-289 2003 conf/ismar/2003 ISMAR http://csdl.computer.org/comp/proceedings/ismar/2003/2006/00/20060288.pdf db/conf/ismar/ismar2003.html#MaedaHYHH03