S. Horimoto Daisaku Arita Rin-ichiro Taniguchi Real-time hand shape recognition for human interface. 20-25 http://doi.ieeecomputersociety.org/10.1109/ICIAP.2003.1234019 2003 conf/iciap/2003 ICIAP db/conf/iciap/iciap2003.html#HorimotoAT03