2024
Constrained alternating minimization for parameter mapping (CAMP)
Elsaid N, Dispenza N, Hu C, Peters D, Constable R, Tagare H, Galiana G. Constrained alternating minimization for parameter mapping (CAMP). Magnetic Resonance Imaging 2024, 110: 176-183. PMID: 38657714, PMCID: PMC11193090, DOI: 10.1016/j.mri.2024.04.029.Peer-Reviewed Original ResearchConceptsAlternating minimizationAccelerated parameter mappingImage qualityReconstructed image qualityEfficient reconstruction algorithmSacrificing model accuracyParameter mapsPhantom studyK-space samplingAcceleration datasetsK-spaceUndersampling artifactsCartesian acquisitionConsecutive imagesReconstruction algorithmIndividual imagesModel cost functionExponential decayEcho timeReconstruction methodCost functionReduce artifactsPhantomScan timeObjective function
2019
SUPER: A blockwise curve‐fitting method for accelerating MR parametric mapping with fast reconstruction
Hu C, Peters DC. SUPER: A blockwise curve‐fitting method for accelerating MR parametric mapping with fast reconstruction. Magnetic Resonance In Medicine 2019, 81: 3515-3529. PMID: 30656730, PMCID: PMC6435434, DOI: 10.1002/mrm.27662.Peer-Reviewed Original Research
2017
Reverse double inversion‐recovery: Improving motion robustness of cardiac T2‐weighted dark‐blood turbo spin‐echo sequence
Hu C, Huber S, Latif SR, Santacana‐Laffitte G, Mojibian HR, Baldassarre LA, Peters DC. Reverse double inversion‐recovery: Improving motion robustness of cardiac T2‐weighted dark‐blood turbo spin‐echo sequence. Journal Of Magnetic Resonance Imaging 2017, 47: 1498-1508. PMID: 29112315, PMCID: PMC6346424, DOI: 10.1002/jmri.25886.Peer-Reviewed Original ResearchAdultAgedAlgorithmsArtifactsComputer SimulationDiastoleFemaleHealthy VolunteersHeartHeart DiseasesHeart VentriclesHumansImage EnhancementImage Interpretation, Computer-AssistedImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedMotionMyocardiumProspective StudiesQuality ControlReproducibility of ResultsSignal-To-Noise RatioAn 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 ResearchMeSH KeywordsAlgorithmsArtifactsImage Processing, Computer-AssistedMagnetic Resonance ImagingMotionVibrationConceptsReduction 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
2016
Method of B0 mapping with magnitude‐based correction for bipolar two‐point Dixon cardiac MRI
Liu J, Peters DC, Drangova M. Method of B0 mapping with magnitude‐based correction for bipolar two‐point Dixon cardiac MRI. Magnetic Resonance In Medicine 2016, 78: 1862-1869. PMID: 27933641, DOI: 10.1002/mrm.26569.Peer-Reviewed Original ResearchT1-refBlochi: high resolution 3D post-contrast T1 myocardial mapping based on a single 3D late gadolinium enhancement volume, Bloch equations, and a reference T1
Hu C, Sinusas AJ, Huber S, Thorn S, Stacy MR, Mojibian H, Peters DC. T1-refBlochi: high resolution 3D post-contrast T1 myocardial mapping based on a single 3D late gadolinium enhancement volume, Bloch equations, and a reference T1. Journal Of Cardiovascular Magnetic Resonance 2016, 19: 63. PMID: 28821300, PMCID: PMC5563030, DOI: 10.1186/s12968-017-0375-1.Peer-Reviewed Original ResearchAlgorithmsAnimalsCardiomyopathiesComputer SimulationContrast MediaFeasibility StudiesFemaleFibrosisHeart AtriaHumansImage Interpretation, Computer-AssistedImaging, Three-DimensionalMagnetic Resonance ImagingMaleMiddle AgedModels, CardiovascularMonte Carlo MethodOrganometallic CompoundsPhantoms, ImagingPredictive Value of TestsReproducibility of ResultsSus scrofaO-space with high resolution readouts outperforms radial imaging
Wang H, Tam L, Kopanoglu E, Peters DC, Constable RT, Galiana G. O-space with high resolution readouts outperforms radial imaging. Magnetic Resonance Imaging 2016, 37: 107-115. PMID: 27876569, PMCID: PMC5316340, DOI: 10.1016/j.mri.2016.11.012.Peer-Reviewed Original Research
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
2014
Pseudo‐random center placement O‐space imaging for improved incoherence compressed sensing parallel MRI
Tam LK, Galiana G, Stockmann JP, Tagare H, Peters DC, Constable RT. Pseudo‐random center placement O‐space imaging for improved incoherence compressed sensing parallel MRI. Magnetic Resonance In Medicine 2014, 73: 2212-2224. PMID: 25042143, PMCID: PMC4297603, DOI: 10.1002/mrm.25364.Peer-Reviewed Original ResearchConceptsO-space imagingCompressed SensingMean squared errorSquared errorConvex programIncoherence parameterSparsity levelSEM fieldsO spaceField modulationMaximum interferenceCS approachSparse domainNominal valueReceiver arrayErrorParallel MRIImage reconstructionAppropriate samplingSingle pointReduced errorIncoherenceTheoryAlgebraic reconstruction technique for parallel imaging reconstruction of undersampled radial data: Application to cardiac cine
Li S, Chan C, Stockmann JP, Tagare H, Adluru G, Tam LK, Galiana G, Constable RT, Kozerke S, Peters DC. Algebraic reconstruction technique for parallel imaging reconstruction of undersampled radial data: Application to cardiac cine. Magnetic Resonance In Medicine 2014, 73: 1643-1653. PMID: 24753213, PMCID: PMC4504217, DOI: 10.1002/mrm.25265.Peer-Reviewed Original ResearchMultiecho acquisition of O‐space data
Galiana G, Peters D, Tam L, Constable RT. Multiecho acquisition of O‐space data. Magnetic Resonance In Medicine 2014, 72: 1648-1657. PMID: 24459076, PMCID: PMC4108571, DOI: 10.1002/mrm.25085.Peer-Reviewed Original Research
2013
Left atrial late gadolinium enhancement with water–fat separation: The importance of phase‐encoding order
Shaw JL, Knowles BR, Goldfarb JW, Manning WJ, Peters DC. Left atrial late gadolinium enhancement with water–fat separation: The importance of phase‐encoding order. Journal Of Magnetic Resonance Imaging 2013, 40: 119-125. PMID: 24105717, PMCID: PMC5036388, DOI: 10.1002/jmri.24340.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAlgorithmsAtrial FibrillationBody WaterContrast MediaFemaleGadoliniumHeart AtriaHumansImage EnhancementImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedMyocardial StunningPreoperative CarePulmonary VeinsReproducibility of ResultsSensitivity and SpecificitySignal Processing, Computer-AssistedSubtraction TechniqueConceptsWater-fat separationEvaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge
Karim R, Housden RJ, Balasubramaniam M, Chen Z, Perry D, Uddin A, Al-Beyatti Y, Palkhi E, Acheampong P, Obom S, Hennemuth A, Lu Y, Bai W, Shi W, Gao Y, Peitgen HO, Radau P, Razavi R, Tannenbaum A, Rueckert D, Cates J, Schaeffter T, Peters D, MacLeod R, Rhode K. Evaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge. Journal Of Cardiovascular Magnetic Resonance 2013, 15: 105. PMID: 24359544, PMCID: PMC3878126, DOI: 10.1186/1532-429x-15-105.Peer-Reviewed Original ResearchConceptsRadio-frequency catheter ablationAtrial fibrillationTreatment of AFEnhancement cardiovascular magnetic resonance imagingLate gadolinium enhancement cardiovascular magnetic resonanceReference standardEnhancement cardiovascular magnetic resonanceCardiovascular magnetic resonance imagingPost-ablation imagesRegions of fibrosisAssessment of treatmentCardiovascular magnetic resonanceMagnetic resonance imagingPost-ablation imagingLA fibrosisCatheter ablationLGE CMR imagesCMR imagesLeft atriumTreatment stratificationScar tissueResonance imagingFibrosisStandardised evaluationKing's College London
2010
Respiratory bellows revisited for motion compensation: Preliminary experience for cardiovascular MR
Santelli C, Nezafat R, Goddu B, Manning WJ, Smink J, Kozerke S, Peters DC. Respiratory bellows revisited for motion compensation: Preliminary experience for cardiovascular MR. Magnetic Resonance In Medicine 2010, 65: 1097-1102. PMID: 21413074, PMCID: PMC3126878, DOI: 10.1002/mrm.22687.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtifactsCoronary VesselsFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedMagnetic Resonance AngiographyMagnetic Resonance Imaging, CineMaleMotionPilot ProjectsReproducibility of ResultsRespiratory-Gated Imaging TechniquesSensitivity and SpecificityYoung Adult
2008
Inflow quantification in three‐dimensional cardiovascular MR imaging
Nezafat R, Herzka D, Stehning C, Peters DC, Nehrke K, Manning WJ. Inflow quantification in three‐dimensional cardiovascular MR imaging. Journal Of Magnetic Resonance Imaging 2008, 28: 1273-1279. PMID: 18972337, DOI: 10.1002/jmri.21493.Peer-Reviewed Original Research2D free‐breathing dual navigator‐gated cardiac function validated against the 2D breath‐hold acquisition
Peters DC, Nezafat R, Eggers H, Stehning C, Manning WJ. 2D free‐breathing dual navigator‐gated cardiac function validated against the 2D breath‐hold acquisition. Journal Of Magnetic Resonance Imaging 2008, 28: 773-777. PMID: 18777547, PMCID: PMC2562245, DOI: 10.1002/jmri.21417.Peer-Reviewed Original Research
2007
Coronary magnetic resonance vein imaging: Imaging contrast, sequence, and timing
Nezafat R, Han Y, Peters DC, Herzka DA, Wylie JV, Goddu B, Kissinger KK, Yeon SB, Zimetbaum PJ, Manning WJ. Coronary magnetic resonance vein imaging: Imaging contrast, sequence, and timing. Magnetic Resonance In Medicine 2007, 58: 1196-1206. PMID: 17969081, DOI: 10.1002/mrm.21395.Peer-Reviewed Original ResearchConceptsCardiac resynchronization therapyCoronary vein anatomyCongestive heart failureCoronary veinVein anatomyCardiovascular MRCoronary sinus leadCoronary venous anatomyTransvenous lead placementInterventional cardiovascular proceduresResynchronization therapyDevice therapyHeart failureVenous anatomyLead placementEpicardial leadsCardiovascular proceduresLeft ventricleCHF subjectsCMR techniquesVivo studiesLateral wallVeinTherapyCardiac cycle
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
2003
Centering the projection reconstruction trajectory: Reducing gradient delay errors
Peters DC, Derbyshire JA, McVeigh ER. Centering the projection reconstruction trajectory: Reducing gradient delay errors. Magnetic Resonance In Medicine 2003, 50: 1-6. PMID: 12815671, PMCID: PMC2034322, DOI: 10.1002/mrm.10501.Peer-Reviewed Original Research