标签: strategies

ConqueringConsumerspace-MarketingStrategiesForABrandedWorld

Datatransmissionandstoragecostmoney.Themoreinformationbeingdealtwith,themoreitcosts.Inspiteofthis,mostdigitaldataarenotstoredinthemostcompactform.Rather,theyarestoredinwhateverwaymakesthemeasiesttouse,suchas:ASCIItextfromwordprocessors,binarycodethatcanbeexecutedonacomputer,individualsamplesfromadataacquisitionsystem,etc.Typically,theseeasy-to-useencodingmethodsrequiredatafilesabouttwiceaslargeasactuallyneededtorepresenttheinformation.Datacompressionisthegeneraltermforthevariousalgorithmsandprogramsdevelopedtoaddressthisproblem.Acompressionprogramisusedtoconvertdatafromaneasy-to-useformattooneoptimizedforcompactness.Likewise,anuncompressionprogramreturnstheinformationtoitsoriginalform.Weexaminefivetechniquesfordatacompressioninthischapter.Thefirstthreearesimpleencodingtechniques,called:runlength,Huffman,anddeltaencoding.Thelasttwoareelaborateproceduresthathaveestablishedthemselvesasindustrystandards:LZWandJPEG.CHAPTERDataCompression27Datatransmissionandstoragecostmoney.Themoreinformationbeingdealtwith,themoreitcosts.Inspiteofthis,mostdigitaldataarenotstoredinthemostcompactform.Rather,theyarestoredinwhateverwaymakesthemeasiesttouse,suchas:ASCIItextfromwordprocessors,binarycodethatcanbeexecutedonacomputer,individualsamplesfromadataacquisitionsystem,etc.Typically,theseeasy-to-useencodingmethodsrequiredatafilesabouttwiceaslargeasactuallyneededtorepresenttheinformation.Datacompressionisthegeneraltermforthevariousalgorithmsandprogramsdevelopedtoaddressthisproblem.Acompressionprogramisusedtoconvertdatafromaneasy-to-useformattooneoptimized……

验证策略,verificationstrategies……