2017
An Efficient Reconstruction Algorithm Based on the Alternating Direction Method of Multipliers for Joint Estimation of ${R}_{{2}}^{*}$ and Off-Resonance in fMRI
Hu C, Reeves S, Peters D, Twieg D. An Efficient Reconstruction Algorithm Based on the Alternating Direction Method of Multipliers for Joint Estimation of ${R}_{{2}}^{*}$ and Off-Resonance in fMRI. IEEE Transactions On Medical Imaging 2017, 36: 1326-1336. PMID: 28207389, DOI: 10.1109/tmi.2017.2667698.Peer-Reviewed Original ResearchConceptsReduction of distortionAir-tissue interfaceOff resonanceGeometric distortionK-space trajectoriesK-space centerEfficient reconstruction algorithmImproved image qualityJoint mappingReconstruction efficiencyResonanceJoint estimationDirection methodComplicated cost functionsCorresponding reconstructionsMotion artifactsReconstruction algorithmOptimization stepCost functionSame accuracyDistortionReconstruction timeImage qualityNew algorithmAlternating Direction Method
2006
Inversion recovery radial MRI with interleaved projection sets
Peters DC, Botnar RM, Kissinger KV, Yeon SB, Appelbaum EA, Manning WJ. Inversion recovery radial MRI with interleaved projection sets. Magnetic Resonance In Medicine 2006, 55: 1150-1156. PMID: 16598720, DOI: 10.1002/mrm.20865.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtificial IntelligenceCluster AnalysisHumansImage EnhancementImage Interpretation, Computer-AssistedImaging, Three-DimensionalInformation Storage and RetrievalMagnetic Resonance ImagingMyocardial InfarctionPhantoms, ImagingReproducibility of ResultsSensitivity and SpecificityUser-Computer InterfaceConceptsRadial trajectoriesK-space weightingRadial imagingCentral k-space dataImage contrastAcquisition windowMagnetization changesK-space dataPulsesImaging methodInversion pulseProjection setsRadial MRIInterleaved acquisitionBetter image qualityImage qualityPreparation pulseRadial acquisitionImagingT1 weightingMotion artifactsMultiple contrastsWindowPhantomViability imaging