一种基于立体视觉的视线估计方法一种基于立体视觉的视线估计方法.pdf

5 Vol.38 No. 5 2010 5 ACTA ELECTRONICA SINICA May 2010 张 闯, 迟健男, 张朝晖, 王志良 ( , 100083) : :, .fivespot , .,, .,. : ; ; ; ( PCCR) ; : TP391 : A : (2010) A Novel Gaze Estimation Method Based on Stereo Vision ZHAN Chuang,CHI Jiannan,ZHAN Zhaohui,WAN Zhiliang ( School of Inf ormation Engineering , University of Science and Technology Beij ing , Bejiing 100083, China) Abstract : For main problems of the existing gaze estimation methodswhich are that they restrict the head movement of users and the issue of individual calibration,this paper presentsa gaze estimation method based on stereo vision.A fivespot model for the eye optical axis on the condition of two cameras and two light sources is set up.The model estimates the threedimensional orienta tion of the eye optical axis, which only needs one straightline intersection operation.On thisbasis,we forms a new gaze estimation method. This method allow snatural head movement and minimizes the calibration procedure to only one timefor a new individual. All aspects of this method meet the realtime requirement, which providesan effective solution for humancomputer interaction gaze tracking system. Key words: gaze tracking; gaze estimation; stereo vision; pupil center cornea reflection (PCCR)technique; individual cali bration . 1 , , . , . . : ( 1) [ 1] , , , , , , , . ; (2) , (Video Oculographic, VO ) , . .VO , (The Pupil Center , Cornea ReflectionT