視線跟蹤與視覺注意機制模型研究.pdf

1、東南大學碩士學位論文視線跟蹤與視覺注意機制模型研究姓名：宋明陽申請學位級別：碩士專業(yè)：物理電子學指導教師：雷威；夏軍20120529AbstractAbout80％to90％oftheknowledgeinthebrainisobtainedthroughtheeyesResearchershavepaidgreatattentiontogazetrackingandmeasurementsWiththedevelopmentofgaz

2、etrackingtechnology，applicationsofgazetrackinghavebeenextendedfromtraditionalpsychologyandbehavioranalysistovariousareas，suchascommerce，military，entertainment，dailylife，humancomputerinteractionandSOonBasedonthebackground

3、，theheadmountedgazetrackingsystemwasstudiedinthisthesisFirstthedevelopmentstatusandapplicationprospectsofgazetrackingsystemhavebeendiscussedThen，thearchitectureofanewhead—mountedgazetrackingsystemhasbeenproposed，whichWas

4、aninfraredimagesbasedmethodOntheestimationforgazedirectionthroughimageprocessingmethods，thegazedirectionWascalculatedthroughthedifferencebetweentwoeyes’pupilscenters，andthenthepointofregard(PoR)wasadjustedthroughtheposit

5、ionofheadSuchaswhentheheadWasmoving，thismethodCanaccuratelyestimatethegazedirectionInordertoimprovethespeedofgazetrackingsystemtomeettherealtimerequirement，anewpupilextractionalgorithmhasbeenproposedThealgorithmcanbedivi

6、dedintothreesteps：featurepointsdetection，noisereduction，andellipsefittingComparedwiththeStarBurstalgorithm，theproposedalgorithmdidn’tneedtoremovethecornealreflectionspotsanddidn’tuseanyiterativemethod，however，theextracti

7、onresultwasstillrobustforblurryimagesBasedontheabovealgorithms，theproposedgazetrackingsystemperformedwithhighaccuracyInthefieldofimageandvideoprocessing，gazetrackingtechnologyCantrackandobtainthePolLsinrealtimeInanotherw

8、ay，thePoRsalsoCanbeobtainedbymodelingthevisualattentionmechanismwithimageprocessingmethodThegazetrackingtechnologyhasgreatimportancetotheresearchofvisualattentionmodel，whichcanbeusedtotesttheaccuracyofvisualattentionmode

9、lInthisthesiswehaveresearchednotonlythetechnologyofgazetrackingbutalsothevisualattentionmodelTheresearchforvisualattentionmodelhasgreatimportancetovideoprocessing，compression，qualityassessment，targettracking，machinevisio