增強現實中若干關鍵技術研究.pdf

1、華中科技大學碩士學位論文增強現實中若干關鍵技術研究姓名：楊西平申請學位級別：碩士專業(yè)：系統(tǒng)分析與集成指導教師：周建中李利軍20070301華中科技大學碩士學位論文華中科技大學碩士學位論文IIAbstractAugmentedRealityisahotresearchfieldtheseyears.InanAugmentedRealitysystemtheeffectisaugmentedwhentherealwldismergedwit

2、hvirtualobjectsgeneratedfromacomputermodel.AugmentedRealitytechnologyhasbeenusedinmanyfieldssuchasdefencemedicalresearchmachineassemblingmaintainingentertainmentbuildingabroadwhileit’sastartinChina.Soit’smeaningfultostud

3、ythekeytechnologiesinAugmentedReality.RegistrationmethodsvirtualobjectGenerationmethodsaretwoofthetechnologiesinAugmentedRealitysystem.TherelevanttechnologiescurrentlyavailableareanalyzedanewvirtualobjectGenerationmethod

4、isdescribedwhichcanreducethetimeofgeneration.Themethodgetsthemodel’svectdatathroughrecognitionthengeneratesthevirtualobject.Thekeystepsofthealgithmaredescribedinthispaper.RegistrationmethodisthemostimptanttechnologyinAug

5、mentedRealitysystem.Whenthelocationdirectionofthecameraarecalculatedvirtualobjectcanbeputintherealsceneaccuratelytheresultcanbeaugmented.Specialmarkersareusedinseveralexistingregistrationmethodswhichstronglydependonthevi

6、sibilityofmarkersintherealscene.Inthispaperwepresentaregistrationmethodbasedontexturefeaturematching.Itcanrealizetheregistrationsuccessfullyusingthemarkeronlyonceontheofflineimageanalysisphasewithoutthevisibilityofmarker