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
1998
A novel geometry for SPECT imaging associated with the EM-type blind deconvolution method
Liu Y, Rangarajan A, Gagnon D, Therrien M, Sinusas A, Wackers F, Zubal I. A novel geometry for SPECT imaging associated with the EM-type blind deconvolution method. IEEE Transactions On Nuclear Science 1998, 45: 2095-2101. DOI: 10.1109/23.708310.Peer-Reviewed Original ResearchBlind deconvolution algorithmImage qualityHand dataPhantom dataSPECT projectionsBlind deconvolution methodAperture projectionsDeconvolution algorithmImage resolutionAlgorithmDual-head SPECT systemParallel-hole collimatorDual-head SPECTImaging systemSystemCollimator headHole collimatorSPECT systemRestoration processImagesAperture collimatorNoise ratioCount sensitivityDataQuality