實(shí)時(shí)視頻編碼傳輸中h.264碼率控制的研究與實(shí)現(xiàn)

1、重慶大學(xué)碩士學(xué)位論文實(shí)時(shí)視頻編碼傳輸中H.264碼率控制的研究與實(shí)現(xiàn)姓名：李毓蕙申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：劉曉明201004重慶大學(xué)碩士學(xué)位論文英文摘要IIABSTRACTInthepastfewdecadesvideocommunicationbecomestruesincetherapiddevelopmentofvideocompressiontransmissiontechnology.Asastardmade

2、upbyITUISOIECH.264getshighperfmanceincompressionwksexcellentlyintransmission.VideophonebasedonH.264hasbeensellinginthemarketwhichillustratestheimptanceextensiveuseofH.264.Withthedevelopmentofwirelesstransmissiontechnolog

3、ytheresearchofrealtimevideotransmissionbecomesahotspotwhichpushestheimprovementofratecontroltechnology.Ratecontrolisatechnologywhichcouldsubjectthebitratetoaconstraintvaluetofitthechannelbwidth.InEntertainmentpeople’sreq

4、uirementsfthevideosystemareoftenhighdefinitionlifelikevisualeffects.Whileintheindustrialmilitaryapplicationsrealtimeperfmancestabilityaremeimptantoften.Thisdesigniginatesfromacooperationprojectwithsomescientificresearchu

5、nitarealtimevideocompressiontransmissionsystemwhichhashighrequirementinrealtimeperfmance.Aratecontrolschmeisneededtobedesigned.FirstofallthepaperpresentsadetailedanalysisofkeyalgithmsinH.264principlebyresearchingalotofli

6、teraturediscussesthedesignofthevideocompressionsystembasedonDSPincludingthebottomchipperipheralsdriverprogrammingtransplantationofT264sourcecodetheDSPrealizationoptimizing.ThenthebitstreamofH.264isanalyzedtherobustnessvi

7、awirelesstransmissionisalsodiscussed.Basedonthediscussionthisdesignusedtwokindsoferrresiliencemethodfixedparametersredundantslicefthesystem.Theemphasisofthepaperistheresearchrealizationoftheratecontrolalgithm.Afterresear

8、chingalotofliteratureseveralratecontrolmodelsareanalyzedboththeadvantageparedwiththefmervideocodingstardH.264broughtinthetheyofratedisttionoptimizationwhichleadtoTheChickenEggDilemma.Sotheconventionalratecontrolschmeneed

9、tobemodified.ThepapershowshowthedilemmawassolvedinH.264ratecontrolschemeanalyzesthedevelopmentshtcomingsindifferentschemesthendiscussesseveralclassicalimprovedmethods.ThepaperusestheframewkofH.264ratecontrolschemeJVTG012