2016
Dual-Energy CT Reconstruction Using Guided Image Filtering
Yang H, Kim K, Fakhri G, Kang K, Xing Y, Li Q. Dual-Energy CT Reconstruction Using Guided Image Filtering. 2016, 1-4. DOI: 10.1109/nssmic.2016.8069594.Peer-Reviewed Original ResearchGuided image filterDual-energy CT reconstructionImage filteringX-ray spectraEdge-preserving smoothingImage filtering algorithmReduce beam hardening artifactsCT reconstruction methodCT reconstructionReconstruction methodBeam hardening artifactsImage reconstruction methodImage processing algorithmsLow energyOrdered subsets algorithmDual-energy CTGuided image filtering algorithmConvergence speedProcessing algorithmsDual-energy computed tomographyAttenuation measurementsEarly iterationsFiltering algorithmDual-energyAlgorithm
2014
Numerical Observer for Objective Assessment on Carotid Plaque Using Spectral CT
Lorsakul A, Fakhri G, Ouyang J, Worstell W, Rakvongthai Y, Laine A, Li Q. Numerical Observer for Objective Assessment on Carotid Plaque Using Spectral CT. 2014, 1-4. DOI: 10.1109/nssmic.2014.7430906.Peer-Reviewed Original ResearchMulti-energy CTNumerical observationsCarotid plaquesMatched filterCT systemDigital anthropomorphic phantomHotelling observerDual-energyPlaque featuresImage binConventional CT imagesConventional CT systemsChannelized Hotelling observerAnthropomorphic phantomClassification performanceCT imagesSpectral CTCalcified plaqueClinical classification taskProcessing stepsSimulated imagesPlaqueSuperior performance