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 ResearchMeSH KeywordsAlgorithmsArtifactsBrainHumansImage EnhancementImage Processing, Computer-AssistedMagnetic Resonance ImagingPhantoms, ImagingReproducibility of ResultsConceptsAlternating 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
Dynamic‐flip‐angle ECG‐gating with nuisance signal regression improves resting‐state BOLD functional connectivity mapping by reducing cardiogenic noise
Hu C, Tokoglu F, Scheinost D, Qiu M, Shen X, Peters DC, Galiana G, Constable RT. Dynamic‐flip‐angle ECG‐gating with nuisance signal regression improves resting‐state BOLD functional connectivity mapping by reducing cardiogenic noise. Magnetic Resonance In Medicine 2019, 82: 911-923. PMID: 31016782, DOI: 10.1002/mrm.27775.Peer-Reviewed Original ResearchSUPER: 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 ResearchAdultAlgorithmsBrainBrain MappingCardiac Imaging TechniquesFemaleHeartHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMalePhantoms, ImagingYoung Adult
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 ResearchMeSH KeywordsAlgorithmsArtifactsHeartHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingO-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 ResearchMeSH KeywordsAlgorithmsArtifactsComputer SimulationHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingPhantoms, ImagingReproducibility of Results
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 ResearchMeSH KeywordsAlgorithmsBrain MappingComputer SimulationData CompressionHumansImage EnhancementImage Processing, Computer-AssistedMagnetic Resonance ImagingConceptsO-space imagingCompressed SensingMean squared errorSquared errorConvex programIncoherence parameterSparsity levelSEM fieldsO spaceField modulationMaximum interferenceCS approachSparse domainNominal valueReceiver arrayErrorParallel MRIImage reconstructionAppropriate samplingSingle pointReduced errorIncoherenceTheory
2013
Three‐dimensional late gadolinium‐enhanced mr imaging of the left atrium: A comparison of spiral versus Cartesian k‐space trajectories
Knowles BR, Peters DC, Clough RE, Razavi R, Schaeffter T, Prieto C. Three‐dimensional late gadolinium‐enhanced mr imaging of the left atrium: A comparison of spiral versus Cartesian k‐space trajectories. Journal Of Magnetic Resonance Imaging 2013, 39: 211-216. PMID: 24006356, DOI: 10.1002/jmri.24146.Peer-Reviewed Original Research
2010
Optimization of on‐resonant magnetization transfer contrast in coronary vein MRI
Stoeck CT, Hu P, Peters DC, Kissinger KV, Goddu B, Goepfert L, Ngo L, Manning WJ, Kozerke S, Nezafat R. Optimization of on‐resonant magnetization transfer contrast in coronary vein MRI. Magnetic Resonance In Medicine 2010, 64: 1849-1854. PMID: 20938974, PMCID: PMC2992077, DOI: 10.1002/mrm.22581.Peer-Reviewed Original ResearchMeSH KeywordsComputer SimulationCoronary VesselsHumansImage EnhancementImage Processing, Computer-AssistedImaging, Three-DimensionalMagnetic Resonance AngiographyVeins
2009
Shorter difference between myocardium and blood optimal inversion time suggests diffuse fibrosis in dilated cardiomyopathy
Han Y, Peters DC, Dokhan B, Manning WJ. Shorter difference between myocardium and blood optimal inversion time suggests diffuse fibrosis in dilated cardiomyopathy. Journal Of Magnetic Resonance Imaging 2009, 30: 967-972. PMID: 19856417, PMCID: PMC2862561, DOI: 10.1002/jmri.21953.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiomyopathy, DilatedCase-Control StudiesContrast MediaFemaleFibrosisGadoliniumHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedMyocardiumTime FactorsVentricular Function, LeftConceptsDCM patientsDiffuse fibrosisCardiovascular magnetic resonance studyLGE CMR imagesCardiomyopathy patientsHealthy controlsHealthy subjectsLGE-CMRHeart ratePatientsFibrosisOptimal inversion timeBloodMyocardiumMyocardium contrastInversion timeShort differencesBlood signalBlood SNRDCMOptimal timeLower CNRAssociation of Thrombolysis in Myocardial Infarction Myocardial Perfusion Grade with cardiovascular magnetic resonance measures of infarct architecture after primary percutaneous coronary intervention for ST-segment elevation myocardial infarction
Appelbaum E, Abraham JM, Pride YB, Harrigan CJ, Peters DC, Biller LH, Manning WJ, Gibson CM. Association of Thrombolysis in Myocardial Infarction Myocardial Perfusion Grade with cardiovascular magnetic resonance measures of infarct architecture after primary percutaneous coronary intervention for ST-segment elevation myocardial infarction. American Heart Journal 2009, 158: 84-91. PMID: 19540396, DOI: 10.1016/j.ahj.2009.04.012.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAngioplasty, Balloon, CoronaryCardiac VolumeContrast MediaCoronary AngiographyCoronary CirculationElectrocardiographyEndocardiumFemaleGadolinium DTPAHeart VentriclesHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedMyocardial InfarctionMyocardial Reperfusion InjuryMyocardiumPericardiumPrognosisSignal Processing, Computer-AssistedThrombolytic TherapyTreatment OutcomeConceptsST-segment elevation myocardial infarctionPrimary percutaneous coronary interventionMyocardial perfusion gradeInfarct border zoneMyocardial Infarction (TIMI) myocardial perfusion gradeElevation myocardial infarctionPercutaneous coronary interventionInfarct sizePerfusion gradeMyocardial perfusionInfarct surface areaCoronary interventionMyocardial infarctionInfarct architectureCardiovascular magnetic resonance measuresNormal epicardial flowDays of presentationMagnetic resonance measuresCardiovascular magnetic resonanceImpaired thrombolysisEpicardial flowThrombolysisPatientsPerfusionTMPGWhole heart magnetization‐prepared steady‐state free precession coronary vein MRI
Stoeck CT, Han Y, Peters DC, Hu P, Yeon SB, Kissinger KV, Goddu B, Goepfert L, Manning WJ, Kozerke S, Nezafat R. Whole heart magnetization‐prepared steady‐state free precession coronary vein MRI. Journal Of Magnetic Resonance Imaging 2009, 29: 1293-1299. PMID: 19472386, DOI: 10.1002/jmri.21788.Peer-Reviewed Original ResearchMeSH KeywordsCoronary VesselsElectrocardiographyFeasibility StudiesHumansImage EnhancementImage Processing, Computer-AssistedImaging, Three-DimensionalMagnetic Resonance ImagingStatistics, NonparametricConceptsCoronary veinLead implantationLeft ventricular lateral wallLateral left ventricular wallVisualization of branchesVentricular lateral wallLeft ventricular wallWhole-heart imagesSteady-state free precessionHealthy subjectsWhole-heart acquisitionVentricular wallGradient echo sequenceLateral wallVisual gradingVisible image artifactsMRIVeinImaging sequenceImplantationAnatomical featuresImaging method
2006
Characterizing radial undersampling artifacts for cardiac applications
Peters DC, Rohatgi P, Botnar RM, Yeon SB, Kissinger KV, Manning WJ. Characterizing radial undersampling artifacts for cardiac applications. Magnetic Resonance In Medicine 2006, 55: 396-403. PMID: 16408266, DOI: 10.1002/mrm.20782.Peer-Reviewed Original ResearchMeSH KeywordsArtifactsHeartHumansImage EnhancementImage Processing, Computer-AssistedMagnetic Resonance ImagingPhantoms, Imaging
2004
3D breath‐held cardiac function with projection reconstruction in steady state free precession validated using 2D cine MRI
Peters DC, Ennis DB, Rohatgi P, Syed MA, McVeigh ER, Arai AE. 3D breath‐held cardiac function with projection reconstruction in steady state free precession validated using 2D cine MRI. Journal Of Magnetic Resonance Imaging 2004, 20: 411-416. PMID: 15332248, PMCID: PMC2396304, DOI: 10.1002/jmri.20145.Peer-Reviewed Original ResearchAdultCardiac VolumeFemaleHumansImage Processing, Computer-AssistedImaging, Three-DimensionalMagnetic Resonance Imaging, CineMaleMyocardial ContractionReduced field of view and undersampled PR combined for interventional imaging of a fully dynamic field of view
Peters DC, Guttman MA, Dick AJ, Raman VK, Lederman RJ, McVeigh ER. Reduced field of view and undersampled PR combined for interventional imaging of a fully dynamic field of view. Magnetic Resonance In Medicine 2004, 51: 761-767. PMID: 15065249, PMCID: PMC2034278, DOI: 10.1002/mrm.20037.Peer-Reviewed Original ResearchConceptsTemporal filtering techniquesTemporal resolutionField of viewArtifact suppressionFiltering techniqueTrue frameGood temporal resolutionAccurate monitoringProjection reconstructionMRI experimentsCatheter imagingImage artifactsInterventional imagingDynamic fieldDynamic eventsImage qualityFieldProcessingFOVResolutionRFOVSimulations
2003
Undersampled projection reconstruction for active catheter imaging with adaptable temporal resolution and catheter‐only views
Peters DC, Lederman RJ, Dick AJ, Raman VK, Guttman MA, Derbyshire JA, McVeigh ER. Undersampled projection reconstruction for active catheter imaging with adaptable temporal resolution and catheter‐only views. Magnetic Resonance In Medicine 2003, 49: 216-222. PMID: 12541240, PMCID: PMC2396305, DOI: 10.1002/mrm.10390.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaCardiac CatheterizationContrast MediaGadoliniumHeart VentriclesImage Processing, Computer-AssistedInjectionsMagnetic Resonance ImagingMyocardiumSwineConceptsActive catheter