Dimitris Agrafiotis Cedric Nishan Canagarajah David R. Bull Jim Kyle Helen Seers Matt Dye A video coding system for sign language communication at low bit rates. 441-444 2004 conf/icip/2004 ICIP http://dx.doi.org/10.1109/ICIP.2004.1418785 db/conf/icip/icip2004-1.html#AgrafiotisCBKSD04