基于3帶小波提升與運動補償的可伸縮視頻編碼研究.pdf

1、電子科技大學碩士學位論文基于3帶小波提升與運動補償的可伸縮視頻編碼研究姓名：江濤申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：陳偉建20090501ABSTRACTABSTRACTWiththerapiddevelopmentofnetworkingtechnologyvideo—communicationbecomesmoreandmoreimportantinthefieldofinformationchangeHoweverdu

2、etotheheterogeneityofnetwork，thefluctuationofbandwidthandthediversityofterminalequipments，videocodingtechnologyisconfrontedwimnewchallengesInordertoadapttothechangeofnetworkenvironmentandthechangeofclient’sconditiontheco

3、mpressingvideoflowingmusthavetemporalscalability，thespatialscalabilityandthequalityscalabilityInsuchcircumstancesscalablevideocoding(svc)emergedThisvideocodingschemehasmanyimplementationmethodsThescalablevideocodingbased

4、onwavelettransformationisanimportantbranchofthesemethodsthatdevelopbyleapsandboundsEspeciallythescalablevideocodingbasedonMotionCompensatedTemporalFiltering(MCTF)becomesaresearchhotspotduetoitssuperiorperformanceInthispa

5、perontheexistingscalablecodingtechnologyresearchmainlydonetodothefollowingwork：ChaptersIandIIintroducedascalablevideoencodingapplicationbackground，thestatusquoanddevelopmenttrendofthebasicwavelettransformatthesametimethe

6、orybrieflydescribedindetailbasedOilwaveletscalablevideocodingschemes，andgivessomeoftheclassicalframeworkChapterIIIinthetraditionalwavelettransformbasedonliftingthetimedomainfilteringscalablevideocodingschemebasedonapropo

7、sednewscalablevideocodingschemesTllisprogramus銘3band5／3WaveletLiftingfortimedomainfilteringcompared、)lritll2bandWaveletLi銜ngSchemeforbetterflexibilityandtimedomaincompressionperformanceclassification；motionestimationtoim

8、provetheflexibilityoftheuseofnetworkalgorithms，simulationresultsshownlatthanbasedonblock—matchingmotionestimationalgorithmismoresuperiorperformance；framegroupandthetimedomaindecompositionintoseriesusingtheadaptivealgorit