基于VLSI的運動估計算法結(jié)構(gòu)的研究與設(shè)計.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文基于VLSI的運動估計算法結(jié)構(gòu)的研究與設(shè)計姓名：陳希申請學(xué)位級別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：盧結(jié)成20090501AbstractAbStraCtMultimediacommullicationhasbeenmostpopularinmelifeofh啪anbeenings’Withthedevelopmemofintemet，Multimediacommunicationhasbeenthemostim

2、portantp抓，WitltheimproVementoftechnology，thereisaJlongoingg】obaltrendtoshiRmultimediaapplicationsfromtraditionalpIatf0咖s，suchaSPCandset—topbox，t0PDAPPC鋤dsmartphoneBecauseofthelimitofprocessor’thereisachallen霉eofvideocode

3、cforrealtimeImemationalvideocodingstandardsfac訂itatet11e、撕deuseofVideocoding，andtheopenkeyalgorithnlsinvideocodingstandarddetenninethepe—’onnanceofthevideocodingAsthemoStcomputationallydemandingandimpoIrtantpan0fvide0cod

4、ing，motionestimationistheimportantresearchpanofVideocodingThisthesisaimsattheresearchingonFPGAofLowI／0bandwidthaJldhightllroughputmotionhardwareimplementationofestimationalgoritmInthispaper’wefirstlyintroducetecllIlology

5、ofvideocodinganditshistoryanddiscusstlleprincjpleandtechnic甜indexesofblockmatchingmotionestimationThenweintroduceclassicFullSearchmotionestimation撕thmeticandfastsearcharithmeticssuchasThree—stepsearcharithmetic，Di鋤ondsea

6、rch撕thmeticaJldtwodimensionsearcharit№eticWithanalyzingtheseaIgo^thms，、vediscussthesituationofthelocalresultoffastsearcha—tllmeticThen、ⅣeintToducetheclassichardwarearchitectureofmotionestimationarit№etic，suchaS1Dsystolic

7、a11raV，2DsVstolica11rayandtreearchitectureforthehaurdwareresources、processin2rate、I／0ponsWithusingdatainterlacingmethod，anewDataFlowandcorrespondingtwo—dimensionalsystolicarrayisproposed，itcanefbcientlVreusedatatodecreas

8、eI／Obandwidthwithhi2hthroughputThisarchitectureisdevelopedf’romaparallelVLSIarchitectureforFSAndtheyaredesigned，implementedandsimulatedwithVerilogHDL，QuartusIIandModelsimAtlastthewholemotionestimationmodulefornewarchitec

9、tureistestedAccordingtothesimulationwavesandexperimentsdata，wecandrawsomeconclusionsasfollows：6rst，themotionestimationmoduledesignedinthisthesiscaIlimpJementFSalgorit脅con‘ectlyandcanexporttherightresultSecondll兒thearchit