h.264解碼器的優(yōu)化及在arm上的實現(xiàn)

1、代號分類10701TN91981舉暑0408120424密級公開螽簧絮手辯被磊孥碩士學位論文題(中、英文)目H264解碼器的優(yōu)化及在ARM上的實現(xiàn)OptinizationandRealizationoftheH264decoder一。一一一一一一一一‘一一‘?！?。。‘‘‘‘一一’一一一一一一一一‘一‘一一一‘。?！??！?。?！灰弧Ｒ灰灰灰灰灰灰籓nARM作者姓名虞新陽指導教師姓名、職務吳成柯教授學科門類工學學科、專業(yè)通信與信

2、息系統(tǒng)提交論文日期二oO七年一月些!!墜竺!也AbstractITU—TH264舢PEG4Part10AdvancedVideoCodmgrcommonlyreferredtoasH264／AVClistheneweStinternationalvideocodingstandardItwasdevelopedbyaJointVideoTeam(JVT、consistingofexpertsfrom11U—TlSVideoCodingE

3、xpertsGroup(VCEG)andISO／IEC。SMovingPictureExpertsGroup(MPEG)H264iscomposedofmanyadvancedvideocodingtechniquesComparedtoexistingvideocodingstandards，H264hasmadegreatprogressincodingefficiencyForexample，itimprovesthecompre

4、ssionefficiencybyafactorofabouttwo(onaverage)overMPEG一4Inaddffion，H264providesaveryfriendlynetworkimerfaceHowevertheimprovementincompressionefficiencyofH264C01TIesfromthedramaticincreaseincomputationalcomplexity；thismake

5、sitamustteducethecomputationalcomplexityofalgorithmsinH264inrealtimeapplicationsInthesecondparagraph，themainmodulesofH264decoderareintroduced，includingentropydecoding，inversescanning，scalingandtransformation，intrapredict

6、ion，interprediction，deb／ockingandreferencepicWxemanagementAlso，theoptimizationmethodisgivenonthebaseofanalyseofthemodulesAttheendofparagraph，theexperimentdataispresentedInthethirdparagraphthepaperpresentsaH，264decodingsy

7、stembasedonARM926platformItincludes3partstheinceptingofbitstremn，decodingofthebitstreamandthedisplayofthedecodedpictureAttheendoftheparagraphistheexperimentresultAtfinalpartaconclusioniSpresenterKeyword：H264ARMOptimizati