2011
Chapter 44 Using GPUs to Accelerate Advanced MRI Reconstruction with Field Inhomogeneity Compensation
Zhuo Y, Wu X, Haldar J, Marin T, Hwu W, Liang Z, Sutton B. Chapter 44 Using GPUs to Accelerate Advanced MRI Reconstruction with Field Inhomogeneity Compensation. 2011, 709-722. DOI: 10.1016/b978-0-12-384988-5.00044-9.Peer-Reviewed Original ResearchInhomogeneity compensationNonideal physical effectsReconstruction algorithmMRI reconstruction algorithmsLoop invariant code motionFloating-point computationsMagnetic resonance imagingSingle-precision floating-point computationData acquisition timeAccurate image reconstructionSignal-to-noise ratioGPU implementationGPU kernelsMRI reconstructionSeverity of artifactsImproved trade-offFlexible diagnostic toolConstant memoryGPUCode motionImage contrastPhysical effectsImage reconstructionClinical scansAcquisition time
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 distortion