2010
ACCELERATING ITERATIVE FIELD-COMPENSATED MR IMAGE RECONSTRUCTION ON GPUS
Zhuo Y, Wu X, Haldar J, Hwu W, Liang Z, Sutton B. ACCELERATING ITERATIVE FIELD-COMPENSATED MR IMAGE RECONSTRUCTION ON GPUS. 2010, 820-823. DOI: 10.1109/isbi.2010.5490112.Peer-Reviewed Original ResearchGraphics processing unitsMR image reconstructionComputation timeField inhomogeneityImage reconstruction algorithmUnified deviceConjugate gradient algorithmMagnetic field inhomogeneityProcessing unitComputer hardwareMagnetic field mapsImage reconstructionReconstruction algorithmGradient algorithmAlgorithmAir/tissue interfacesInhomogeneity compensationIterative reconstructionComputerCompensation techniqueImplementationSusceptibility differencesImaging systemGpusField mapping
2009
Iterative Image Reconstruction Model Including Susceptibility Gradients Combined with Z-shimming Gradients in fMRI
Zhuo Y, Sutton B. Iterative Image Reconstruction Model Including Susceptibility Gradients Combined with Z-shimming Gradients in fMRI. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2009, 2009: 5721-5724. PMID: 19963915, DOI: 10.1109/iembs.2009.5332669.Peer-Reviewed Original ResearchConceptsSusceptibility-induced magnetic field gradientsMagnetic field gradientField gradientEffects of magnetic field gradientNear air/tissue interfacesField inhomogeneity effectsIterative reconstruction algorithmSignal lossSpiral-inIncreasing acquisition timeZ-shimMagnetic fieldAir/tissue interfacesMR signal modelMagnetic field distortionFunctional magnetic resonance imagingMagnetic susceptibility artifactsBlood oxygen levelAcquisition timeSusceptibility artifactsReconstruction algorithmField distortionImage distortionData acquisition techniquesSignal distortionEffect on BOLD Sensitivity Due to Susceptibility-induced Echo Time Shift in Spiral-in Based Functional MRI
Zhuo Y, Sutton B. Effect on BOLD Sensitivity Due to Susceptibility-induced Echo Time Shift in Spiral-in Based Functional MRI. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2009, 2009: 4449-4452. PMID: 19964630, DOI: 10.1109/iembs.2009.5333815.Peer-Reviewed Original ResearchConceptsEffective echo timeBOLD sensitivityEcho time shiftsSusceptibility gradientsSpiral-in trajectoryMagnetic field inhomogeneityBOLD functional magnetic resonance imagingEcho timeSusceptibility artifactsSpiral-inAir/tissue interfacesField inhomogeneityFunctional magnetic resonance imagingIn-planeBlood oxygen levelReconstructed imagesGeometric distortionSignal lossTime shiftsVentral brainBOLDInhomogeneityShiftOrbitofrontal cortex