Robust 3D Head Tracking and Its Applications. - Wooju Ryu; Daijin Kim 001 (ICB, 2007)

Real-Time 3D Head Tracking Under Rapidly Changing Pose, Head Movement and Illumination. - Wooju Ryu; Daijin Kim 001 (ICIAR, 2007)

Real-time 3D Head Tracking and Head Gesture Recognition. - Wooju Ryu; Daijin Kim 001 (RO-MAN, 2007)