面向mpsoc的h.264并行編碼的研究

1、南開大學碩士學位論文面向MPSoC的H.264并行編碼的研究姓名：賀銘申請學位級別：碩士專業(yè)：計算機軟件與理論指導教師：楊愚魯20090601AbstractAbstractH264isahighperformancevideocompressionencodingstandardComparedwithmostofexistingvideoencodingstandard，H264hasadoptedsomeadvancedencod

2、ingtechniques，itachievesverylowbitrate，highqualityandhighcompressionratio，howevertheimprovementisbasedonthecostofrapidincreasedcomplexityInembeddedsystemsomecommonprocessorscan’tsatisfythedemandwithhighcomplexitywhichmak

3、esitdifficultyofreal—timecodingandtransmissionofH264Inordertomeetthecomplexneedsoftheapplication，TheMPSoCrepresemsthenextgenerationofmulti—processortechnologyhasbecomethemainstreamofICdesigntechnologyAtfirst，thispaperint

4、roducesthebasicprincipleandtheessentialtechnologiesinH264videoencodingstandard，thendiscussesseveralparallelvideoencodingalgorithmsandanalyzestheiradvantagesanddisadvantagesfrommultipleanglesonbasisofparallelcomputingtheo

5、ryInordertocovertheshortageofthesealgorithms，thispaperproposesaslicegroupbasedparallelalgorithm，itsplitsframeintoslicegroups，whichiscomposedofmanymarcoblocksInordertoverifythecorrectionandfeasibilityofthisalgorithm，aswel

6、lasconsideringtransplantingtoembeddedplatform，thepaperusesX264asreferenceandimplememstheencoderwhichisbasedontheparallelalgorithmIntheexperiments，throughadjustingthebalanceoftheslicegroups，althoughthePSNRremainsbasically

7、unchanged，itgotmuchspeedupimprovementOntheAlteraNiosdevelopmentboard，thepaperdesignsandimplementsasinglebusbasedMPSoCprototypewhichintegratesthreeNiosIIprocessers，anddosomeresearchonscalableresources，aswellasmulti—proces