Deformable left‐ventricle mesh model for motion‐compensated filtering in cardiac gated SPECT
Marin T, Brankov J. Deformable left‐ventricle mesh model for motion‐compensated filtering in cardiac gated SPECT. Medical Physics 2010, 37: 5471-5481. PMID: 21089783, PMCID: PMC2962663, DOI: 10.1118/1.3483098.Peer-Reviewed Original ResearchConceptsCardiac gated SPECTMesh modelNoise reductionMotion-compensated filteringCardiac gated SPECT imagingDeformable mesh modelTested clinical dataSignal-to-noise ratioMotion estimationMotion blurring artifactsEstimated motionImage-reconstruction methodsProcessing algorithmsSpatiotemporal filtering methodSpatiotemporal filteringMotion trajectoryFiltering approachMyocardium motionFiltering methodReduce noiseImage qualityTemporal correlationProcessing techniquesNoisePhoton dataMOTION-COMPENSATED RECONSTRUCTION OF GATED CARDIAC SPECT IMAGES USING A DEFORMABLE MESH MODEL
Marin T, Wernick M, Yang Y, Brankov J. MOTION-COMPENSATED RECONSTRUCTION OF GATED CARDIAC SPECT IMAGES USING A DEFORMABLE MESH MODEL. 2010, 520-523. DOI: 10.1109/isbi.2010.5490294.Peer-Reviewed Original ResearchDeformable mesh modelGated cardiac SPECT imagesMesh modelMotion estimation techniquesMotion trajectoryTemporal smoothness constraintMaximum-likelihood expectation-maximization algorithmExpectation-maximization algorithmEstimated motionMotion-compensated reconstructionMotion compensationLevel of noiseSmoothness constraintPixel gridTemporal constraintsTemporal filteringReconstruction algorithmReconstructed imagesMesh domainCardiac SPECT imagingAlgorithmNoise reductionTemporal correlationNoise effectsIteration