ArtifactsPhantoms, ImagingImage EnhancementAlgorithmsImage Processing, Computer-AssistedReproducibility of ResultsImage Interpretation, Computer-AssistedSensitivity and SpecificityRadiographic Image EnhancementImaging, Three-DimensionalSignal Processing, Computer-AssistedMagnetic Resonance ImagingSignal-To-Noise RatioEcho-Planar ImagingCone-Beam Computed TomographySubtraction TechniqueMotionTomography, X-Ray ComputedArchaeologyRadiographic Image Interpretation, Computer-AssistedMetalsForecastingEquipment DesignBrainTime FactorsComputer SimulationContrast MediaFourier AnalysisMovementMagnetic Resonance AngiographyModels, TheoreticalCardiac-Gated Imaging TechniquesDiagnostic ErrorsEquipment Failure AnalysisRespiratory-Gated Imaging TechniquesWavelet AnalysisRadiography, AbdominalProstheses and ImplantsTomography, Emission-Computed, Single-PhotonHistory, AncientAmplifiers, ElectronicFalse Positive ReactionsWhole Body ImagingElectroencephalographySurgical InstrumentsModels, StatisticalUltrasonographyFixativesQuality ControlMultidetector Computed TomographySoftwareModels, BiologicalData Interpretation, Statistical