基于3帶小波提升與運(yùn)動(dòng)補(bǔ)償?shù)目缮炜s視頻編碼研究.pdf

1、電子科技大學(xué)碩士學(xué)位論文基于3帶小波提升與運(yùn)動(dòng)補(bǔ)償?shù)目缮炜s視頻編碼研究姓名：江濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)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