2016
High‐resolution 1H‐MRSI of the brain using short‐TE SPICE
Ma C, Lam F, Ning Q, Johnson C, Liang Z. High‐resolution 1H‐MRSI of the brain using short‐TE SPICE. Magnetic Resonance In Medicine 2016, 77: 467-479. PMID: 26841000, PMCID: PMC5493212, DOI: 10.1002/mrm.26130.Peer-Reviewed Original ResearchConceptsSignal-to-noise ratioHigh-resolution spectroscopic imagingSpatiospectral correlationSpectroscopic imagingIn-plane resolutionSubspace-based techniquesAccelerated data acquisitionSignal processing algorithmsMetabolite signalsIn-planeProcessing algorithmsNuisance signalsLipid signalingBaseline signalDatasetData acquisitionProperties of water
2015
High‐resolution 1H‐MRSI of the brain using SPICE: Data acquisition and image reconstruction
Lam F, Ma C, Clifford B, Johnson C, Liang Z. High‐resolution 1H‐MRSI of the brain using SPICE: Data acquisition and image reconstruction. Magnetic Resonance In Medicine 2015, 76: 1059-1070. PMID: 26509928, PMCID: PMC4848237, DOI: 10.1002/mrm.26019.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsBrainHumansImage EnhancementImage Interpretation, Computer-AssistedMagnetic Resonance ImagingProton Magnetic Resonance SpectroscopyReproducibility of ResultsSensitivity and SpecificitySignal Processing, Computer-AssistedConceptsSubspace structureSpectroscopic imaging sequenceImage reconstructionSubspace modelImage sequencesImage reconstruction purposesEdge-preserving regularizationData acquisitionReconstruction methodThrough-plane resolutionImage reconstruction methodIn-planeIn vivo brain experimentsEncoding schemeField inhomogeneity correctionIn-plane resolutionTwo-dimensional (2DImaging frameworkInhomogeneity correctionData setsSubspaceHigh-resolutionHybrid data setsSpatial resolutionBrain experimentsImproved Low-Rank Filtering of Magnetic Resonance Spectroscopic Imaging Data Corrupted by Noise and <inline-formula><tex-math notation="LaTeX">$B_0$</tex-math></inline-formula> Field Inhomogeneity
Liu Y, Ma C, Clifford B, Lam F, Johnson C, Liang Z. Improved Low-Rank Filtering of Magnetic Resonance Spectroscopic Imaging Data Corrupted by Noise and$B_0$ Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsBrainHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingSignal Processing, Computer-AssistedSignal-To-Noise RatioConceptsLow-rank filterSignal-to-noise ratioConstrained Cramer-RaoDenoising MRSI dataFiltering methodLow-rank modelCramer-RaoDenoising performanceRank minimizationHigh-resolution magnetic resonance spectroscopic imagingBoundary constraintsIn vivo MRSI dataData corruptionLow-rankMRSI dataFilterNoiseUpper boundB0 field inhomogeneityField inhomogeneity correctionDenoisingField inhomogeneityInhomogeneity correctionMethodMagnetic resonance spectroscopic imaging
2014
Design of multidimensional Shinnar–Le Roux radiofrequency pulses
Ma C, Liang Z. Design of multidimensional Shinnar–Le Roux radiofrequency pulses. Magnetic Resonance In Medicine 2014, 73: 633-645. PMID: 24578212, PMCID: PMC4147023, DOI: 10.1002/mrm.25179.Peer-Reviewed Original ResearchField-Inhomogeneity-Corrected Low-Rank Filtering of Magnetic Resonance Spectroscopic Imaging Data
Liu Y, Ma C, Clifford B, Lam F, Johnson C, Liang Z. Field-Inhomogeneity-Corrected Low-Rank Filtering of Magnetic Resonance Spectroscopic Imaging Data. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2014, 2014: 6422-6425. PMID: 25571466, DOI: 10.1109/embc.2014.6945098.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsHumansMagnetic Resonance SpectroscopyNeuroimagingSignal Processing, Computer-AssistedSignal-To-Noise RatioSoftware
2012
A mobile NMR system with full spectroscopy capability
Ma C, Liang Z. A mobile NMR system with full spectroscopy capability. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2012, 2012: 4022-4025. PMID: 23366810, DOI: 10.1109/embc.2012.6346849.Peer-Reviewed Original ResearchMeSH KeywordsElectronicsEnvironmental MonitoringEthanolFluorineMagnetic Resonance SpectroscopyMonitoring, AmbulatoryPoint-of-Care SystemsSignal Processing, Computer-AssistedReduced field‐of‐view excitation using second‐order gradients and spatial‐spectral radiofrequency pulses
Ma C, Xu D, King K, Liang Z. Reduced field‐of‐view excitation using second‐order gradients and spatial‐spectral radiofrequency pulses. Magnetic Resonance In Medicine 2012, 69: 503-508. PMID: 22489022, PMCID: PMC3406253, DOI: 10.1002/mrm.24259.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsImage EnhancementImage Interpretation, Computer-AssistedPhantoms, ImagingRadio WavesReproducibility of ResultsSensitivity and SpecificitySignal Processing, Computer-AssistedConceptsRF pulsesRF pulse lengthSpatially selective radiofrequencyReduced field-of-view imagingBloch equation simulationsField-of-view imagingPulse lengthRadiofrequency pulsesPhantom experimentsSelective radiofrequencyEquation simulationsPulseSecond-order gradientsNonlinear gradientsExcitation accuracyRegion-of-interestSpatial selectivityBlochSpatial dependencePhantom
2009
Perturbation Analysis of the Effects of $B_{1}^{+}$ Errors on Parallel Excitation in MRI
Ma C, Xu D, King K, Liang Z. Perturbation Analysis of the Effects of $B_{1}^{+}$ Errors on Parallel Excitation in MRI. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2009, 1: 4064-4066. PMID: 19964100, DOI: 10.1109/iembs.2009.5333196.Peer-Reviewed Original Research