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
2021
Prospective motion detection and re‐acquisition in diffusion MRI using a phase image–based method—Application to brain and tongue imaging
Liang X, Su P, Patil SG, Elsaid NMH, Roys S, Stone M, Gullapalli RP, Prince JL, Zhuo J. Prospective motion detection and re‐acquisition in diffusion MRI using a phase image–based method—Application to brain and tongue imaging. Magnetic Resonance In Medicine 2021, 86: 725-737. PMID: 33665929, PMCID: PMC9169515, DOI: 10.1002/mrm.28729.Peer-Reviewed Original ResearchConceptsMotion detectionProspective motion correction techniqueMotion-corrupted imagesMotion detection methodMotion-corrupted dataAcquisition frameworkMotion correction techniqueVisual inspectionDMRI acquisitionsDiffusion estimationNonrigid motionTongue imagingImage qualityAcquisition techniquesTractography resultsDMRIDiffusion MRIInspectionMotion artifactsTechniqueDetectionImagesFrameworkArtifacts
2019
Phase Image Texture Analysis for Motion Detection in Diffusion MRI (PITA-MDD)
Elsaid NMH, Prince JL, Roys S, Gullapalli RP, Zhuo J. Phase Image Texture Analysis for Motion Detection in Diffusion MRI (PITA-MDD). Magnetic Resonance Imaging 2019, 62: 228-241. PMID: 31319127, PMCID: PMC6697150, DOI: 10.1016/j.mri.2019.07.009.Peer-Reviewed Original ResearchConceptsImage texture analysisMotion detectionAutomatic motion detectionTexture analysisSubject motionReal-time feedbackData corruptionMotion correction methodData quality controlEfficient mannerMotion corruptionMultiple applicationsMotion metricsProspective motion correctionPhase imagesMotion correctionImagesMagnitude imagesPhase artifactsMetricsFast alternativeNovel methodDMRI methodsDiffusion MRICorrection method