Tomography Scanners, X-Ray ComputedTomography, X-Ray ComputedTomographyPositron-Emission TomographyFood InspectionTomography, Optical CoherenceTomography, Emission-ComputedTomography, Spiral ComputedTomography, OpticalMultidetector Computed TomographyCone-Beam Computed TomographyTomography, Emission-Computed, Single-PhotonPhantoms, ImagingElectron Microscope TomographyImaging, Three-DimensionalMagnetic Resonance ImagingSensitivity and SpecificityImage Processing, Computer-AssistedReproducibility of ResultsTomography, X-RayFluorodeoxyglucose F18RadiographyEquipment DesignRadiation DosageGamma RaysRadiographic Image Interpretation, Computer-AssistedAlgorithmsImage EnhancementEquipment Failure AnalysisBrainArtifactsRadiographic Image EnhancementObserver VariationFluorine RadioisotopesPredictive Value of TestsContrast MediaX-Ray MicrotomographyTime FactorsRetrospective StudiesFacility Regulation and ControlDiagnostic ImagingProspective StudiesRadiometryElectron Probe MicroanalysisMultimodal ImagingGermaniumPneumoconiosisFour-Dimensional Computed TomographyFeasibility StudiesImage Interpretation, Computer-AssistedElasmobranchiiUltrasonographySkates (Fish)Radiography, AbdominalTreatment OutcomeSubtraction TechniqueFollow-Up StudiesWhole Body ImagingRadiography, ThoracicLutetiumCalcinosisOxygen RadioisotopesCoronary AngiographyRadiology Department, HospitalFast NeutronsCerebrovascular CirculationTransducersAnatomy, Cross-SectionalSeverity of Illness IndexLungCarbon RadioisotopesTeleradiologyCoronary Artery DiseaseBronchographyDiagnostic ErrorsMacula LuteaAcetic AcidPest ControlLung NeoplasmsWrist JointCraniocerebral TraumaDiagnostic Techniques, OphthalmologicalAngiographyNuclear MedicineReference ValuesSoftwareGamma CamerasBrain MappingSilicatesComputer SimulationMyocardial Perfusion ImagingQuality ControlCalibrationDose-Response Relationship, RadiationPrognosisSpectrometry, X-Ray EmissionSignal-To-Noise RatioLasersPleuraROC Curve