2022
Co-attention spatial transformer network for unsupervised motion tracking and cardiac strain analysis in 3D echocardiography
Ahn S, Ta K, Thorn S, Onofrey J, Melvinsdottir I, Lee S, Langdon J, Sinusas A, Duncan J. Co-attention spatial transformer network for unsupervised motion tracking and cardiac strain analysis in 3D echocardiography. Medical Image Analysis 2022, 84: 102711. PMID: 36525845, PMCID: PMC9812938, DOI: 10.1016/j.media.2022.102711.Peer-Reviewed Original ResearchMeSH KeywordsEchocardiographyEchocardiography, Three-DimensionalHeartHumansMyocardial InfarctionVentricular Dysfunction, LeftConceptsSpatial transformer networkMotion trackingNoisy displacement fieldReliable motion estimationMotion tracking methodCardiac strain analysisTransformer networkDisplacement fieldDisplacement pathsMotion fieldTracking methodMotion estimationExperimental resultsStrain analysisSuperior performanceTemporal constraintsCardiac motionTrackingRegularization functionDependent featuresEchocardiography imagesNetworkPrior assumptionsField
2001
Estimation of 3D left ventricular deformation from echocardiography
Papademetris X, Sinusas A, Dione D, Duncan J. Estimation of 3D left ventricular deformation from echocardiography. Medical Image Analysis 2001, 5: 17-28. PMID: 11231174, DOI: 10.1016/s1361-8415(00)00022-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomechanical PhenomenaDogsEchocardiography, Three-DimensionalHeart VentriclesImage Processing, Computer-AssistedModels, StatisticalVentricular Function, LeftConceptsDense motion fieldIsotropic linear elastic modelRegional cardiac deformationLinear elastic modelMotion fieldTerms of strainCardiac deformationFiber directionElastic modelDeformationHeart wallGood agreementHeart deformationImage sequencesWallEstimationSpecific directionUltrasound imagesQuantitative estimationInitial correspondenceField