CarSafe app: alerting drowsy and distracted drivers using dual cameras on smartphones. - Chuang-Wen You; Nicholas D. Lane; Fanglin Chen; Rui Wang 016; Zhenyu Chen 003; Thomas J. Bao; Martha Montes-de-Oca; Yuting Cheng 001; Mu Lin; Lorenzo Torresani; Andrew T. Campbell (MobiSys, 2013)