Introduction to Computed Tomography (CT) Medical Imaging

Abstract:Thistutorialexplainshowcomputedtomography(CT)imagingsystemsgenerate3-Dimagesofinternalbodystructures.Thehigh-endspiralCTtechniqueisexplained,asisthemethodbywhichlightcollectedfromphotodiodesisprocessedintoanelectricalsignalandeventuallyconvertedtoadigitalformatbyadigitalacquisitionsystem(DAS).Thisconversionprocessmusthappenquickly,whichmakesADCsamplingspeedsandresolutionscriticalforCTdesigns.Maxim>Designsupport>Appnotes>A/DandD/AConversion/SamplingCircuits>APP4682Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4682Maxim>Designsupport>Appnotes>High-SpeedSignalProcessing>APP4682Keywords:computedtomography,ct,medicalimage,medicalcomponents,catscan,catscan,ctscanMay10,2010APPLICATIONNOTE4682IntroductiontoComputedTomography(CT)MedicalImagingAbstract:Thistutorialexplainshowcomputedtomography(CT)imagingsystemsgenerate3-Dimagesofinternalbodystructures.Thehigh-endspiralCTtechniqueisexplained,asisthemethodbywhichlightcollectedfromphotodiodesisproc