數(shù)字圖像壓縮算法的并行化方法研究

1、山東師范大學(xué)碩士學(xué)位論文數(shù)字圖像壓縮算法的并行化方法研究姓名：王少飛申請(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：王希常20080408山東師范大學(xué)碩士學(xué)位論文AbstractNowadays，manyimponantscienti6ctechnolo舀esdependonthecomputertecllnology，suchasgiantscientificcomputation，computersimulation，etcThe

2、deVelopmentofthehardwaretechnologyinrecentdecadesbrou曲trapidimproV鋤entinCPUprocessingspeed，buttheprocessingspeedrequirementsstillcannotbesatisfiedinmallyareasofadVancedapplicationsWeneedthequickandea’ectiVeparallelcomput

3、erstoachieVelarge—scalescientificcomputinganddataprocessinginmanyfields，suchasSARimageprocessingenergyexploration，weatherforecast，milita巧war，artificialintel!igenceandsomeothersbasicresearchesThe最nitenessofsin舀ecomputerIs

4、technologydetemiIlesthatmulticomputers’parallelwiUbethedirectionofthecomputerdeVelopmentThisalsoleadstothatparallelcomputingwillbememaincomputingmethodinthe如ture，andthedeVelopmentofparallelprocessingtechn0109ywillbethema

5、inpowertoimpeltheconstmctionofnationaldefenseandthedevelopmentofthescienceandtechllologyParalleIprocessingtechniquedealswithmanyaspects，includingparallelarchitectures，parallelsoRwareandparallelalgorithm，etcImageplaysanim

6、ponantroleinourlifeWecanseemanyimagesanywhere，Maybewecangeta。outseventypercentofinfomationf酌moureyesButmostoftheimagecompressionalgorithmshaVethefeatufesincludingcomplicatedopelatiolls，lafgcconlputiIlgworks，hugequantityo

7、fdataa11dstandardizedtypesofcomputingHigh—speeddi西talimageprocessingtechniquewillbeoneofthemostimportantmethodsinthescientificresearchBecausecfthecharacteristicofimagedates，theleasttimeandspaceisthemostkeyParallelcomputi

8、ngisanefjf’ectiveinstrumentAlongwiththedevelopingofhi曲poweredparallelprocessingsystem，imageparallelprocessingtechnologywillproVide鏟eaterspaceforimproVingtheVelocityofimageprocessingSotheresearchesonimageparallelprocessin

9、gtechnologyareVeryimponantandvaluableInthispaper，theresearchofthene鉚orkparallelcomputingteclulology，beingthemainobject，isfocusedontheparallelalgo訂thmsinimagecompressioncodingapplicationsImageprocessingtechnologiesandtheb

10、asicconceptofparaUelcomputingareintroducedwh訂eshowingmeparallelimageprocessingteclⅡ10109y印plicationsanddeVel叩mentThearchitecmreofparallelcomputing，parallelcomputingmodelandalgorithmdesignmethodsarepaidmoreattentionsFunhe

11、rmoreweadoptedtheexperimentsonaplatfomMPItoproVemehi曲e伍ciencyofmeparallelalgonthmFinally，mefeasibilityofparallel撕thmeticcodingwasapproVedbyanalyzingthecharacteriSticsofthesequence撕thmeticcodingatthesametimeamodelbasedonL

12、o妒parallel撕thmeticcodingalgorithmwasd舒VedBasedonmeanalysisofthecomplexcomplexityoftimeandcostitisconVincedthattheparallelalgoritknproposedinthispaperbemorelli曲parallelemciencyandwen印pliedtotheclustersystemMIMDKeywords：Pa