2020
Positron annihilation localization by nanoscale magnetization
Gholami Y, Yuan H, Wilks M, Josephson L, El Fakhri G, Normandin M, Kuncic Z. Positron annihilation localization by nanoscale magnetization. Scientific Reports 2020, 10: 20262. PMID: 33219274, PMCID: PMC7680104, DOI: 10.1038/s41598-020-76980-9.Peer-Reviewed Original ResearchConceptsNanoscale magnetsSpatial resolution of PET imagesImproved dose localizationPositron emitting sourcesResolution of PET imagesPositron emission tomography instrumentationSpatial resolutionPositron emission tomographyAnnihilation quantaPhoton pairsPositron rangeDose localizationPositron annihilationCharged particlesOrtho-positroniumAnnihilationSuperparamagnetic iron oxide nanoparticlesCancer theranostic strategyPositron emission tomography scanPositronElectronic placesImage blurringPET imagingPET-MRITreatment outcomes
2017
Non-Rigid Event-by-Event Continuous Respiratory Motion Compensated List-Mode Reconstruction for PET
Chan C, Onofrey J, Jian Y, Germino M, Papademetris X, Carson RE, Liu C. Non-Rigid Event-by-Event Continuous Respiratory Motion Compensated List-Mode Reconstruction for PET. IEEE Transactions On Medical Imaging 2017, 37: 504-515. PMID: 29028189, PMCID: PMC7304524, DOI: 10.1109/tmi.2017.2761756.Peer-Reviewed Original ResearchConceptsMotion-compensated image reconstructionMotion fieldImage reconstructionReconstruction algorithmRespiratory motionNon-rigid motionNon-rigid motion correctionSignificant image blurringSystem matrixMotion correctionSystem matrix calculationMotionImage blurringSuperior image qualityTracer concentrationRigid motionReference locationMatrix calculationList-mode reconstruction algorithmMotion correlationDynamics studyImage quality
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