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1、AbstractAbstractTheeyegazedirectionorthefixationpointusuallyreflectswhatpeopleareinterestedin.Therefore,thelineofsightisaverygoodhumancomputerinteractioninputchannel.Fixationpointestimationtechnologyistoestimatethehumaneyegazedirectionorpositionwiththecomputerinthecomp
2、uterindustry.Intherecentyears,asthehuman-computerinteractioninterface,thefixationpointestimationtechnologyhasattractedextensiveresearchathomeandabroad.Foralongtime,manyresearchershavebeentryingtoapplyitinotherresearchareas,suchasophthalmology,advertising,psychologyands
3、oon.Formainproblemsoftheexistinggazeestimationmethodswhicharethattheyrestricttheheadmovementofusersandtheinfraredlighthasdamagingeffectsforeyes,thisthesispresentsagazeestimationmethodbasedonfacenormal.Stereovisionisusedinthemethod.First,tocalibratestereocamerastodeterm
4、inetheextrinsicandintrinsicparametersofcamera;secondly,faceisquicklyrecognizedbyusingAdaboost,tolocateirisbasedonintegro-differentialoperatorstodeterminethecenterpositionofthetwopupils,andaccordingtothedifferentsaturation,thecenter2Dcoordinatesofthenosesandmouthareacqu
5、ired;thirdly,the3Dcoordinatesofthesefivepointswereobtainedbylimit-restraint,stereomatchingand3Dreconstruction;then,aplanefittingintheleastsquaresisadoptedtogettheapproximatefaceplane,andfindoutplanenormalonmidpointofthetwopupils.Finally,thepointofgazecanbeobtainedbyget
6、tingthecrosspointofnormalandcomputerscreen.Themethodcanbeagreataidtopositionamovingobject.Keywords:StereovisionAdaboostIntegro-differentialoperatorsLeastsquaremethod(LSM)Planenormal万方数据目录目录第一章绪论...........................................................................
7、..........................................11.1注视点定位的研究背景和意义................................................................................11.2注视点定位实现方法................................................................................................21.3注视点定位的国内研究现状.....
8、...............................................................................41.4注视点定位的技术发展趋势......................
