%0 Journal Article %T A Calibration Method for Eye-Gaze Estimation Systems Based on 3D Geometrical Optics %A Lee, Hwaran %A Iqbal, Nadeem %A Chang, Wonil %A Lee, Soo-Young %A , %J IEEE Sensors Journal %V 13 %N 9 %P 3219-3225 %@ 1530-437X %D 2013-09-01 %I Institute of Electrical and Electronics Engineers (IEEE) %~ DeepDyve