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1、郑州轻工业学院本科毕业设计(论文)——英文翻译题目JPEG标准研究及算法实现学生姓名专业班级电子信息07级1班学号院(系)计算机与通信工程学院指导教师完成时间2011年4月10日英文原文JPEG2000imagecompressionstandardandcharacteristicsAbstractWiththedevelopmentofthenetworkandmultimediatechnologies,peopleneedmoreandmoreimageswithhighfunctionandquantity,sothecompressiveimagetechnique
2、srequirehigherperformanceaswellasnewcharacteristicstosatisfysomespecialuse.Forthis,ISOreleasedagainanewstaticimagecompresstechnique-JPEG2000,whichmaybecomethenewimagecompressionstandardinthefuture.JPEG2000istoadapttothecontinuousdevelopmentofimagecompressionapplications,theemergenceofnewstil
3、limagecompressionstandard.JPEG2000imagecodingsystemdescribestherealizationoftheprocess,ofwhichthebasicalgorithmusedisdescribedandkeytechnologies,introducedthenewstandardfeaturesandapplications,anditsperformanceisanalyzed.Withtherapidgrowthofmultimediaapplicationsandnetworkscontinuestodevelop
4、,thetraditionalJPEGcompressiontechnologyhasbeenunabletomeetthepeople'sdigitalmultimediaimagedatarequirements,amorepowerfulandefficientsuperiorstillimagecompressionstandardhasbeenreferredtothedevelopmentagenda,thisisaJPEG2000.1.IntroductionJPEG(JointPhotographicExpertsGroup)istheInternationa
5、lOrganizationforStandardization(ISO)developedundertheleadershipofthecommitteestillimagecompressionstandard,thefirstsetofinternationalstillimagecompressionstandardISO10918-1(JPEG)isthatestablishedbytheCommittee.AstheexcellentqualityJPEG,sothatwithinafewyearshewasagreatsuccess,iswidelyusedinth
6、efieldofInternetanddigitalcamerasonthesite80%haveadoptedtheJPEGimagecompressionstandard.However,thecurrentJPEGstillimagecompressionstandard,withmid-rangeandhigh-bit-rateontheratedistortioncharacteristicsofagood,butinthecontextoflowbitrate,therewillbeobviousblockingeffects,itsqualityhasbecome
7、unacceptable.JPEGcannotbeprovidedinasinglestreamlossyandlosslesscompression,andcannotsupportmorethan64×64Koftheimagecompression.Atthesametime,despitethecurrentJPEGstandardhasarequirementtorestarttheinterval,butwhenbiterrorsencounteredwhentheimagequ