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1、DigitalRadiographyImageQuality:ImageAcquisitionabcMarkB.Williams,PhD,ElizabethA.Krupinski,PhD,KeithJ.Strauss,MS,deWilliamK.Breeden,III,MS,MarkS.Rzeszotarski,PhD,fggKimberlyApplegate,MD,MS,MargaretWyatt,SandraBjork,RN,JD,hJ.AnthonySeibert,PhDThisarticleondigitalradiographyimageacquisitionisthefi
2、rstoftwoarticleswrittenaspartofanintersocietyefforttoestablishimagequalitystandardsfordigitalandcomputedradiography.Thetopicoftheotherpaperisdigitalradiographyimageprocessinganddisplay.ThearticlesweredevelopedcollaborativelybytheACR,theAmericanAssociationofPhysicistsinMedicine,andtheSocietyfor
3、ImagingInformaticsinMedicine.Increas-ingly,medicalimagingandpatientinformationarebeingmanagedusingdigitaldataduringacquisition,transmission,storage,display,interpretation,andconsultation.Datamanagementduringeachoftheseoper-ationshasadirectimpactonthequalityofpatientcare.Thesearticlesdescribewh
4、atisknowntoimproveimagequalityfordigitalandcomputedradiographyandmakerecommendationsonoptimalacquisition,processing,anddisplay.Thepracticeofdigitalradiographyisarapidlyevolvingtechnologythatwillrequirethetimelyrevisionofanyguidelinesandstandards.Thisdocumentprovidesabasisforthetechnologiesavai
5、labletodayinclinicalpracticeandmaybeusefulinguidingthefutureclinicalpracticeofdigitalradiography.KeyWords:Digitalradiography,imagequality,imageacquisitionJAmCollRadiol2007;4:371-388.Copyright©2007AmericanCollegeofRadiologyINTRODUCTIONANDDEFINITIONSThereareseveraltypesofdetectorsthatcanbeclassi
6、fiedasDRsystems,includingautomated(cassetteless)CRComputedradiography(CR)anddigitalradiography(DR)systems.Inaddition,someDRsystemsareadaptedtoaarethecommonlyusedtermsfordigitalradiographiccassette-basedx-raysystem.Thus,thehistoricalnomen-detectors.Computedradiographyusesaphotostimu-claturebecom
7、eslessaccurateastechnologyadvancesbe-lablestoragephosphorthatstoresthelatentimagewithcausedistinctclassificationintothetwobroadcategoriessubsequentprocessingusingastimulatinglaserbeamandofCRandDRisnolongerpossible.Moreappropriateiscanbee
