2021
First Investigation of List mode MLEM Reconstruction for Fast DC-SPECT System Design Optimization
Feng Y, Bläckberg L, Fakhri G, Worstell W, Sabet H. First Investigation of List mode MLEM Reconstruction for Fast DC-SPECT System Design Optimization. 2021, 00: 1-3. DOI: 10.1109/nss/mic44867.2021.9875864.Peer-Reviewed Original ResearchFWHM spatial resolutionCorrection of scatterAsymmetric geometryMaximum likelihood expectation maximizationLikelihood expectation maximizationSystem's imaging resolutionLM-MLEMMonte Carlo implementationMLEM reconstructionDetector headMonte-CarloSystem matrix modelSimultaneous high resolutionDesign optimizationCardiac SPECTMatrix modelSystem resolutionMC methodSpatial resolutionSystem design optimizationImage reconstructionDynamic cardiac SPECTDesign iterationsSystem sensitivityImage resolution
2020
Limited-angle TOF-PET for intraoperative surgical applications: latest results
Sajedi S, Bläckberg L, Fakhri G, Sabet H. Limited-angle TOF-PET for intraoperative surgical applications: latest results. 2020, 00: 1-3. DOI: 10.1109/nss/mic42677.2020.9507853.Peer-Reviewed Original ResearchCoincidence time resolutionWater phantomTOF-PETSphere-to-background activity ratiosLesion phantomsPET detector moduleDepth of interactionPET detector technologySmall-area detectorsDiameter spheresTime-of-flight (TOFPhantom depthDetector modulesCrystal pixelsDetector technologyDetector headFlight (TOFTime resolutionPhantomReduce FNRDetectorConventional gammaLarger-areaPixel dimensionsAngle geometry