ArtifactsPhantoms, ImagingImage EnhancementAlgorithmsImage Processing, Computer-AssistedReproducibility of ResultsImage Interpretation, Computer-AssistedRadiographic Image EnhancementSensitivity and SpecificityImaging, Three-DimensionalSignal Processing, Computer-AssistedMagnetic Resonance ImagingSignal-To-Noise RatioCone-Beam Computed TomographyEcho-Planar ImagingMotionSubtraction TechniqueArchaeologyRadiographic Image Interpretation, Computer-AssistedTomography, X-Ray ComputedMetalsComputer SimulationEquipment DesignBrainFourier AnalysisContrast MediaMovementCardiac-Gated Imaging TechniquesMagnetic Resonance AngiographyTime FactorsRespiratory-Gated Imaging TechniquesDiagnostic ErrorsWavelet AnalysisModels, TheoreticalEquipment Failure AnalysisRadiography, AbdominalTomography, Emission-Computed, Single-PhotonAmplifiers, ElectronicSoftwareFalse Positive ReactionsProstheses and ImplantsModels, StatisticalHistory, AncientModels, BiologicalElectroencephalographySurgical InstrumentsFixativesWhole Body ImagingUltrasonographyMolecular Sequence DataMultidetector Computed TomographyQuality Control