基于双光源的实时视线追踪系统.pdf

特性[J].中国实用眼科杂志,2005,23(10):1038~1041Real-timeGazeTrackingSystemBasedonDualIlluminatorsHuangYing,WangZhiliang,QiYing(InformationEngineeringSchool,UniversityofScienceandTechnologyBeing,8eijing100083,China)[Abstract]1hispaperpresentsafast,lowcostandnon-contactgazetr~kingsystem.Do~ffnem.Theo~ffnemcapturedthein1ageoftwoeyes,andthesynthesizedinfonmtionofbotheyesw/ISusedtodetectthegazedirection.Afastpupildetectionalgorithm惴propo~ltospeeduptheimageprocessing,andasimplemodelwasusedtorec0咖thegazedirection.Experimentalresultsshowthatthesystemisapplicablefrom一20oto+20oangleofgazeinhorizonand一16~to+16~aw,leofgazeinvertica1.puterinteractionapplicationprovesthatthesystemcanestimatetheuser’sgazedirectionwithtinydelayandrelativehighstability.[Keywords]puterinteraction;gazetracking;Purkinjeimage90中国工程科学维普资讯