直接数字化X线摄影系统图像处理方法研究(4)

2025-04-26

直接数字化X线摄影系统图像处理方法研究

Abstract

ABSTRACT

Wimtller印idimprovementoftlledailylife,moreaIldmorepeoplebegiIlt0pay

aattentiont0tllehealtllcare.Thesta:tehasalsoinVestedlotofmaI】【power觚d

amateIlialresourcestopromotetlleheal也carestandards.MedicaliIllagediagnosisis

kindofroutineInedicalex撇inatiollS.It

bodyhasbeenwidelyusediIltllediagnosisaIld仃eatrnemofdiseaseandcheck—upoftheente印risesaIldiIlsti衄ionsorthe

砌iViduaJs.ESpecially,nleX—rayiIIlagingeXaminationis仔equentlyllsed.Witllme

deVelopmemoft11emateri以ssciencea11d也ecomputertecllIlology,t:heX—ray

imagiI培tecllIlolog),haSenteredⅡledirectdigital

originalfilm.IttakesraIdiography。(DR)em舶m也ef瓠erimagingspeedandbetteriIIlagequali够,andalsotlle

digitaIX—rayimaginghaSbroughtoutsomenewprobleIns.Forexample,howt0c蛳l

也e

metheexposure夥Stemautomatically?W11at’stheconverSion丘omtheX—raysignals?111et0elec们nicinlag堍systemmuStbestudyiI塔thec趾becalibrated.AndthedigitalX rayiIIlagesrleedtobepostprocessed.ByimagingmemodoftlleDRsystem,inlproVed,aIldme

aqum毋ofⅡledigitalX-聪可imagediagnosisand讹atInent

studyofdiseaSesinthehospitalwillbeb00Sted.Itisalsoref.erenceformeofothermedicalimagingmodels.MoreoVer,itisahefoulldationfornle

computer-aideddiagnosisi11

iIIlagingt11e觚urc.Eviderltly,itisVe巧importantt0studytlle me恤dfortheDRSystem.

on恤inlagingprocessof也eDRsystem,SeVeralkeyproble脚of龇

aSBaSedrelevantpartIlar旧beenstudiedi11thistllesis.SuChthecontrolofthe11igh-voltage

t0generator,imageacquisitionandcalibration,irrlagepost-processiI培.Ourgoalis

achieVe0ptiIllalcon臼ⅪloftheDRsystcmaIldgetbetterqualit),X-rayinlages.TIle

high.VoItagegeIleratoris也epower-suI)plydeVicefortlleX-ray,whichneedst0haVe

goodcooperation晰tllmecomputersystemsoast0controlt王leexposureprocessaIld

exchaIlgeexposure

receiVingdeVicep蹦吼etersfort11eX_rayiInaging.TheX—rayarriVesatmehlm】anaRer魄1sIIlissioninVolVingtllebody.Basedontheimaging

principlea11dmaterialproperties,廿leimageaoquisitionandiIllagecorrectionnlailllyⅡI


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