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1、112JOURNALOFDISPLAYTECHNOLOGY,VOL.8,NO.2,FEBRUARY2012DepthCalculationMethodofIntegralImagingBasedonGaussianBeamDistributionModelCheng-GaoLuo,Qiong-HuaWang,HuanDeng,Xin-XinGong,LeiLi,andFang-NingWangAbstract—Inthispaper,weproposeaconceptoftheoptimaloftheRayleighrange[16].Th
2、esetwomethodsareconciseandviewingdistancerangeandadepthcalculationmethodofinte-easytouse,buttheysufferfromthesameshortcomingthatgralimaging.Byconsideringthelightemanatingfromasingleel-theybothtakethedepthrangeinfrontofandbehindtheCDPementalimagepointasaGaussianbeam,weanaly
3、zetheintegralasequal,whichdoesnotmatchwiththeactualsituation[17],imagingdepthrangeanddeducethedepthcalculationformulasindifferentdisplaymodes.Experimentsinfocusedmodewerecar-[18].Parketal.proposedtoconsiderthelightemanatingfromariedout,andgoodresultsfinallyconfirmedthefeasib
4、ilityofthesingleelementalimagepointasaGaussianbeam[19].Althoughproposedmethod.thereisnospecificimplementationmethodorprocedure,itin-IndexTerms—Depthoffield,Gaussianbeam,integralimaging,dicatesanewdirectionfordepthcalculation.viewingdistance,3Ddisplay.Inthispaper,onthebasisof
5、previousstudies,wefirstproposeaconceptoftheoptimalviewingdistancerange(OVDR)ofin-tegralimagingaccordingtothebasicprincipleofRayleighcrite-I.INTRODUCTIONrion[20].Then,byusingthedistributionmodeloftheGaussianbeaminlaserresonator[21],[22],weconfirmthelocationsofNRECENTYEARS,wit
6、htherapidevolutionofsciencetherearandfrontmarginaldepthplane,andobtainthedeter-Iandtechnology,3Dimagingtechniquesdevelopquickly.minateDOFcalculationformulasofintegralimaging.OpticalAmongthem,integralimagingisregardedasoneofthemostexperimentsareperformedtoconfirmthefeasibili
7、tyofthepro-promisingandconvenientwaystoform3Dimages,becauseposedmethodandtheresultsarediscussed.itprovidesfull-parallaxandcontinuous-viewing3Dimageswithoutanyconvergenceaccommodationconflict[1]–[3].II.PRINCIPLESOFTHEPROPOSEDMETHODHowever,sinceintegralimagingwasbroughtoutbyL
8、ippmannin1908[4],ithassufferedfromseveraldrawbacksandhasA.OVDRofIntegralImaginggottennoke
