基于h.264標(biāo)準(zhǔn)的軟件編碼技術(shù)時(shí)間性能優(yōu)化的研究

1、南京郵電大學(xué)碩士學(xué)位論文基于H.264標(biāo)準(zhǔn)的軟件編碼技術(shù)時(shí)間性能優(yōu)化的研究姓名：陳榮偉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：孫知信20110225南京郵電大學(xué)碩士研究生學(xué)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