A quantitative evaluation study of four-dimensional gated cardiac SPECT reconstruction
Jin M, Yang Y, Niu X, Marin T, Brankov J, Feng B, Pretorius P, King M, Wernick M. A quantitative evaluation study of four-dimensional gated cardiac SPECT reconstruction. Physics In Medicine And Biology 2009, 54: 5643-5659. PMID: 19724094, PMCID: PMC3690946, DOI: 10.1088/0031-9155/54/18/019.Peer-Reviewed Original ResearchConceptsGated cardiac SPECT imagesNURBS-based cardiac-torso (NCATMotion-compensated temporal regularizationCardiac SPECT imagingBias-variance analysisDistance-dependent blurringGated cardiac SPECTMotion compensation approachReconstructed myocardiumSPECT imagesDetection of perfusion defectsSPECT reconstructionCardiac SPECTIntensity uniformityTemporal smoothnessPatient dataLeft ventricular myocardiumReconstructed imagesReconstruction processSpatial smoothingPerfusion defectsScatteringDegradation factorsTemporal regularityVentricular myocardium