2018
A novel depth-of-interaction rebinning strategy for ultrahigh resolution PET
Kim K, Dutta J, Groll A, Fakhri G, Meng L, Li Q. A novel depth-of-interaction rebinning strategy for ultrahigh resolution PET. Physics In Medicine And Biology 2018, 63: 165011. PMID: 30040073, PMCID: PMC6375090, DOI: 10.1088/1361-6560/aad58c.Peer-Reviewed Original ResearchConceptsDepth of interactionReconstructed imagesAlternating direction methodReconstructed image qualityPoisson log-likelihoodImage qualitySub-sampling methodPositron emission tomography systemReduce noise effectsDOI layersReconstruction frameworkDetector pixel sizePoint source experimentsQuadratic surrogatesCdZnTe detectorsAnimal positron emission tomographyLog-likelihoodDirection methodSmall animal positron emission tomographySource ExperimentPhoton countingRebinning methodSystem matrixNoise effectsSinogram
2016
Light Transport in PET Scintillator Detectors Fabricated Using Laser Induced Optical Barriers
Bläckberg L, Ozsahin D, Moghadam N, Fakhri G, Sabet H. Light Transport in PET Scintillator Detectors Fabricated Using Laser Induced Optical Barriers. 2016, 1-4. DOI: 10.1109/nssmic.2016.8069523.Peer-Reviewed Original ResearchPixel-like patternOptical barrierLYSO:Ce crystalsLaser-processed crystalsSensitive scintillation detectorTransverse spatial resolutionLight transportScintillation lightScintillation detectorDOI informationReadout detectorsAnimal positron emission tomographyDetector fabricationLight response functionCe crystalsMonolithic crystalsFunction of source locationPixel pitchLiOBPulsed laserPhotodetector arrayRefractive indexCrystal depthResponse functionSpatial resolution