2011
Fasciculography: Robust Prior-Free Real-Time Normalized Volumetric Neural Tract Parcellation
Ho P, Wang F, Papademetris X, Blumberg HP, Staib LH. Fasciculography: Robust Prior-Free Real-Time Normalized Volumetric Neural Tract Parcellation. IEEE Transactions On Medical Imaging 2011, 31: 217-230. PMID: 21914568, PMCID: PMC3640528, DOI: 10.1109/tmi.2011.2167629.Peer-Reviewed Original ResearchConceptsDiffusion tensor magnetic resonance imagesLess human interventionSearch spaceAbnormality detectionHuman interventionDiffusion tensor fieldsAbove problemsOrientation informationNonrigid registrationIncomplete reconstructionStreamline trackingTrackingOrientation errorsMagnetic resonance imagesImage artifactsTracking errorFiber trackingWhite matter fiber tractsLocal noiseTensor fieldsResonance imagesParcellation methodSame timeInitializationViable tool
2009
Using Perturbation theory to reduce noise in diffusion tensor fields
Bansal R, Staib LH, Xu D, Laine AF, Liu J, Peterson BS. Using Perturbation theory to reduce noise in diffusion tensor fields. Medical Image Analysis 2009, 13: 580-597. PMID: 19540791, PMCID: PMC2782748, DOI: 10.1016/j.media.2009.05.001.Peer-Reviewed Original ResearchConceptsTensor fieldsDiffusion tensor fieldsPerturbation theoryMarkov random fieldPrior termDifferent spatial directionsRandom fieldsSymmetric tensorsRiemannian distanceSpatial directionsWhite matter fiber bundlesSmoothed fieldsLikelihood termEigenvaluesOriginal fieldEigenvectorsTensorReal-world datasetsDTI datasetsHomogeneous regionsTheoryLow signalNoiseNoise ratioFine structure