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
2015
Experimental O‐space turbo spin echo imaging
Wang H, Tam L, Kopanoglu E, Peters DC, Constable RT, Galiana G. Experimental O‐space turbo spin echo imaging. Magnetic Resonance In Medicine 2015, 75: 1654-1661. PMID: 25981343, PMCID: PMC4644719, DOI: 10.1002/mrm.25741.Peer-Reviewed Original ResearchConceptsO-space imagingMagnetic gradient fieldO spaceK-space trajectoriesProjection reconstructionT2 contrastImaging methodCartesian SENSEConventional TSESurface coil arrayUndistorted imagesGradient fieldPractical schemeSpin-echo imagingMultiple echoesTurbo spin-echo imagingT2 decayEchoesMultiple imagesEcho timeImagingCoil arraySchemeDecayT2 weighting