%0 Journal Article %T Color control of a lighting system using RGBW LEDs %A Tanaka, Midori %A Horiuchi, Takahiko %A Tominaga, Shoji %J Proceedings of SPIE %V 7866 %N 1 %P 78660W-78660W-9 %@ 0277-786X %D 2011-01-23 %I SPIE %~ DeepDyve