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网格模型的三角Bezier曲线网细分逼近技术研究.pdf

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网格模型的三角Bezier曲线网细分逼近技术研究.pdf

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文档介绍:emoresophisticated,uracyanddetailsofgeometricmodelsaureputfon)l,ardhigherrequirements,thisalsoleadstoasha叩铲o、plexity,a11dtllusproposesahugechallengetotheexisting3Dgraphicsengineprocessingcapac时andspeed,consequently“hasbrought铲eatdi伍cultiestotheeditdrawing,interactiVedisplay,work,infb肌ationsharingandotherapplicationsof3Dmodels;ontheomerhand,workservicerequiresthetrallsmissionof3Dmodelsthrou曲theIntemet,ho、Ⅳever,,inthecaseofkeepingthegeometricalfeature,eleratetherenderingspeed,,puterVision,VirtualreaIity,medical,:‰,a11dcallimplementmeshsimplificationofanysize,,thenadopttheshortestdistancealgoritllrlltoprojecttheshadowcontrolVerticesofsimplifiedmodelontomeoriginalmesh,,andthereisanapproximatelinearrelationbetweentllesizeofmeshandthespeedgeneratingtheboundary,what’smore,Ⅳefittingalgorit№ⅧWe,cons旺uctathreeB6ziercul~,,ersarecleaLrwhenthesimplificationratioishigh,如rthemlore,,biIlingthemeshsi