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ID:40984940
大小:271.39 KB
页数:4页
时间:2019-08-12
《VIDEO CODING FOR DIGITAL CINEMA》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、VIDEOCODINGFORDIGITALCINEMAPeisongChenandJohnCziWoodsCenterforNextGenerationVideoRensselaerPolytechnicInstituteTroy,NewYork12180-3590ABSTRACTsizesequences.HerewereportadaptingittotheDCcod-ingapplicationenvironment.Thispaperisorganizedasfol-Inthispaper,wepresentseveralt
2、echniquestoimprovethelows.First,abriefdiscussionofpropertiesofDCvideodataefficiencyofmotion-compensated3-Dsubbandlwaveletvideoispresented,emphasizingthestatisticalpropertiesoffilm-codingfordigitalcinema(DC).SinceDCdatacomingfromgrainnoise.Thenacodingsystemisintroducedt
3、omeetthescanningphotographicfilmcontainsfilm-grainnoise,wein-requirementsofDC,includingourdatastructurewithadap-troduceonelevelspatialsubbanddecompositiontoreducetiveCOPsize.Thenweintroduceaqualitycontrolstrategythenoise,andimposemotion-compensatedtemporalfilter-toreal
4、izenearconstantqualityinafulllengthmotionpic-ing(MCTF)onlyonthespatialLLsubbands.Alsowemaketure.WethengivesomePSNRcomparisonsonthecurrenttheGOPsizeadaptivetobetterhandlemotioncomplexityDCtestsequences.andeditingeffects.Inordertorealizeapproximatelycon-stantqualityinafu
5、lllengthmotionpicture,weproposetointerleavethesubbandsofthetemporalframes,andencode2.MODIFICATIONOFMCTFARCHITECTUREalltheGOPstothesamefractionalbitplaneusingtheEZBCBasedontheperformanceofMC-EZBCin[I],wehavecoder.chosenitasourbaseforDCvideocompression.InDClestdata,there
6、isalotoffilm-grainnoise.Oneinfluenceofthis1.INTRODUCTIONrelativelylargeamountofnoiseisonmotionestimation,es-peciallyinflatregions.Intheseregions,itismistakenasIthasbeenawayoflifeformorethan100years.Filmhasimagedetail.Butitslowtemporalcorrelationwillmakeitbeentheonlyava
7、ilablepracticalmediaforsendingmotiondifficulttofindtruematchedregions.Adirectconsequencepicturestocinematictheatersaroundtheworld.Withtheisaverynoisymotionfieldthatwastesalargenumberofdevelopmentofdigitaltechnologies,thetelevisionindustrybits.Anotherconsequenceisalarge
8、numberofso-calledisgoingfromtheanalogintothedigitalera.Similarlyaunconnectedpixels.Itwaspointedoutin121thattheas-newd
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