2016
SPECT Imaging of 2-D and 3-D Distributed Sources with Near-Field Coded Aperture Collimation: Computer Simulation and Real Data Validation
Mu Z, Dobrucki LW, Liu YH. SPECT Imaging of 2-D and 3-D Distributed Sources with Near-Field Coded Aperture Collimation: Computer Simulation and Real Data Validation. Journal Of Medical And Biological Engineering 2016, 36: 32-43. PMID: 27069461, PMCID: PMC4791458, DOI: 10.1007/s40846-016-0111-6.Peer-Reviewed Original ResearchMaximum likelihood expectation maximizationReconstruction approachImage resolutionLarge projection angleIterative image reconstructionNoise artifactsMicro-SPECT systemComputer simulationsReal data validationImage reconstructionDigital phantomExpectation maximizationData validationCA moduleMLEM algorithmImage qualityPinhole imagesProjection angleCommercial softwareImagesPhantom imagesSquared errorSPECT imagesCA imagesImage contrast
2006
Aperture Collimation Correction and Maximum-Likelihood Image Reconstruction for Near-Field Coded Aperture Imaging of Single Photon Emission Computerized Tomography
Mu Z, Liu YH. Aperture Collimation Correction and Maximum-Likelihood Image Reconstruction for Near-Field Coded Aperture Imaging of Single Photon Emission Computerized Tomography. IEEE Transactions On Medical Imaging 2006, 25: 701-711. PMID: 16768235, DOI: 10.1109/tmi.2006.873298.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtifactsData Interpretation, StatisticalFeasibility StudiesHumansImage EnhancementImage Interpretation, Computer-AssistedImaging, Three-DimensionalInformation Storage and RetrievalLikelihood FunctionsPhantoms, ImagingReproducibility of ResultsSensitivity and SpecificityTomography, Emission-Computed, Single-PhotonConceptsX-ray astronomySingle projectionCA imagesCoded Aperture ImagingMLEM reconstruction algorithmNear-field artifactsCollimation effectMaximum-likelihood image reconstructionSPECT systemParallel-hole collimatorImage reconstruction methodImage resolutionAperture imagingCollimationDeconvolution methodDual acquisitionImage reconstructionCount sensitivityImaging techniquesPhoton emissionPinholesReconstruction algorithm