Combined Line-Based Architecture for the 5-3 and 9-7 Wavelet Transform of JPEG2000_图文.doc

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Combined Line-Based Architecture for the 5-3 and 9-7 Wavelet Transform of JPEG2000_图文.doc

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Combined Line-Based Architecture for the 5-3 and 9-7 Wavelet Transform of JPEG2000_图文

Combined Line-Based Architecture for the 5-3 and 9-7 Wavelet Transform of JPEG2000_图文导读：就爱阅读网友为您分享以下“Combined Line-Based Architecture for the 5-3 and 9-7 Wavelet Transform of JPEG2000_图文”的资讯，希望对您有所帮助，感谢您对92的支持! Fig.10.5-3and9-7:HOR filtering. Fig.11.5-3and9-7:VER filtering. Fig.12.ArchitectureoftheFDWT.c)HorizontalRecomposition:Afterdesigningthosemul-tipliers,ahorizontal9-7transformcanbebuiltlikea5-3trans-form.Fig.10representsaviewoftheintegrationofthetwofiltersforthehorizontalrecomposition.Withinthefirstblock,theuseofmultiplexersallowstochooseoneoranothertrans-form.Indeed,thedatapathisfairlyidenticalforbothtransform.HOR2willevenbesimplerbecauseonlythelasttwostepsofthe9-7transformareconcerned. d)VerticalRecomposition:Thesamemodificationsdonepreviouslyareappliedtorealizetheverticalrecomposition.Bothverticalblocks(VER1andVER2)willhavetwoFIFOs,leadingstofourinternalmemoriesasneeded.Asexplainedearlier,eachofthosememorieswillhaveitslengthequaltothelengthofonelineoftheimage.Fig.11representstheglobalstructureofVER. VER1andVER2arenotrepresentedindetails.Theirinternalstructureiseasilyreproducedfromtheverticalfilteringofthe5-3transform,illustratedinFig.9.B.ForwardWaveletTransform AnarchitecturehasbeendrawnfortheinverseDWT(IDWT).Asnoticedearlier,anadvantageoftheliftingstepsisth