2014
Phase rotation in correlation coefficient filtering and multi-pass methods for 3-D speckle tracking in 4-D echocardiography
Wong E, O'Donnell M, Compas C, Lin B, Sinusas A, Duncan J. Phase rotation in correlation coefficient filtering and multi-pass methods for 3-D speckle tracking in 4-D echocardiography. 2014, 1-4. DOI: 10.1109/ultsym.2014.0001.Peer-Reviewed Original ResearchPeak hopping artifactsTwo-pass processingPeak hoppingPhase rotationLocal strain distributionLow strain casesMulti-pass processMulti-pass methodDisplacement accuracyLarge strainsStrain distributionAxial displacementDisplacement estimatesStrain casePrevious passSubsequent passOrthogonal directionsTransition zoneFrame rateFilterTrackingConventional correlation filtersSpeckle trackingFilteringCorrelation filter
2009
3D Elasticity Imaging on an Open-chest Dog heart
Jia C, Kolias T, Rubin J, Yan P, Sinusas A, Dione D, Duncan J, Wei Q, Thiele K, Huang L, Huang S, O'Donnell M. 3D Elasticity Imaging on an Open-chest Dog heart. 2009, 155-158. DOI: 10.1109/ultsym.2009.5441850.Peer-Reviewed Original ResearchOpen-chest dog heartDog heartSpeckle trackingAcute ischemiaMyocardial ischemiaEnd of diastoleLeft anterior descending (LAD) coronary arteryAnterior descending (LAD) coronary arteryAbnormal myocardial deformationEnd of systoleLAD occlusionCoronary arteryAnterior wallLAD arteryMyocardial viabilityContractility changesComplex cardiac motionIschemia