基于h.264標準的軟件編碼技術(shù)時間性能優(yōu)化的研究

1、南京郵電大學碩士學位論文基于H.264標準的軟件編碼技術(shù)時間性能優(yōu)化的研究姓名：陳榮偉申請學位級別：碩士專業(yè)：計算機軟件與理論指導教師：孫知信20110225南京郵電大學碩士研究生學位論文ABSTRACTIIABSTRACTWiththeextensivedevelopmentoftheapplicationsofvideosurveillancesystemwkvideomonitingsystemhasbecomethemainst

2、ream.FtherequirementsoftransmittingthevideoimagehighlyactiveunderalimitedbwidththeJVT(JointVedioTeam)in2003proposedanewgenerationvideocompressionstardH.264.comparedtothepreviousvideocompressionstardsH.264videocompression

3、stardprovideshigherefficiencygreatererrrecoverybutincreasedthecomplexityofencryptionalgithmwhichwillinevitablyleadtoadditionalconsumptionofencodingtimeatthesametimelimitsitsapplicationinrealtimemonitingsystem.Toresolveth

4、eproblemoftheadditionaltimeperfmanceconsumptionofH.264softwareencodingthepaperfirstlyanalysestheinfmationsourcemodelofH.264presentsanadaptivetimeperfmanceoptimizationmodelbasedonprogressiveencodeevaluationalgithmofimageq

5、uality.InthismodelfirstlyaccdingtothecurrentsoftwareenvironmentsetthemodetoganizetheiginalimagesecondlydoanaccessmenttothenewimagebytheevaluationalgithmofimagequalitywhichhelpstodecidetheedmodelisreasonableFinallyusingth

6、eimagewhichgottenbypreprocessingtheiginalimagewithcurrentedmodeasthesourcedataofH.264encoder.OnthebasisofthismodelwecarriedoutthedesignimplementationofrealtimevideoencodingsystembasedonH.264itsmainfunctionsincludingautom

7、aticallydetectingthesoftwareenvironmentofthesystempreprocessingtheiginalimageintelligentlyevaluatingthequalityofimageH.264videoencodingencodingtimeperfmanceanalysisthepaperprovidesthedeliberatedesignofsystemstructuremodu

8、ledividingthecriticaltechniquedealprocessaswellascedatastructurearedescribedindetailinthecemodules.Theexperimentalresultsshowthattherealtimeencodingsystembasedonthisoptimizationmodelunderthepremiseofassuredimagequalityre