2023
Super-resolution in brain positron emission tomography using a real-time motion capture system
Chemli Y, Tétrault M, Marin T, Normandin M, Bloch I, El Fakhri G, Ouyang J, Petibon Y. Super-resolution in brain positron emission tomography using a real-time motion capture system. NeuroImage 2023, 272: 120056. PMID: 36977452, PMCID: PMC10122782, DOI: 10.1016/j.neuroimage.2023.120056.Peer-Reviewed Original ResearchConceptsBrain positron emission tomographySuper-resolutionEvent-by-event basisReal-time motion capture systemSR reconstruction methodTracking cameraVisualization of small structuresPET reconstruction algorithmMoving phantomMeasure target motionLine profilesPET/CT scannerMeasured shiftsImprove image resolutionMotion capture systemMotion tracking devicePositron emission tomographyReconstruction algorithmSpatial resolutionMeasured linesPhantomReal-timeEstimation frameworkIncreased spatial resolutionReconstruction method
2017
Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout
Bläckberg L, Fakhri G, Sabet H. Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout. Physics In Medicine And Biology 2017, 62: 8419-8440. PMID: 29047453, PMCID: PMC5736368, DOI: 10.1088/1361-6560/aa8dea.Peer-Reviewed Original ResearchConceptsDetector typesLYSO:Ce detectorsLYSO:Ce crystalsBarrier refractive indexScintillation light transportImproved energy resolutionRefractive indexLaser-processed crystalsCollection efficiencyLight transportPixel-like patternScintillation lightMPPC arraysEnergy resolutionPixel arrayDOI informationPulsed laser beamLight response functionLine profilesCe crystalsMonolithic crystalsBarrier patternsCrystal bulkTime resolutionCE detector