2016
Direct PET Reconstruction of Regional Binding Potentials
Gravel P, Soucy J, Reader A. Direct PET Reconstruction of Regional Binding Potentials. 2016, 1-3. DOI: 10.1109/nssmic.2016.8069457.Peer-Reviewed Original Research
2013
Direct 4D PET MLEM Reconstruction of Parametric Images Using the Simplified Reference Tissue Model with the Basis Function Method
Gravel P, Reader A. Direct 4D PET MLEM Reconstruction of Parametric Images Using the Simplified Reference Tissue Model with the Basis Function Method. 2013, 1-7. DOI: 10.1109/nssmic.2013.6829041.Peer-Reviewed Original ResearchKinetic parameter estimationParameter estimation techniquesTime simulationTissue modelFunction methodKinetic modelSimulated 2DHigh-resolution research tomographParameter estimationResolution modelingEstimation techniquesIrreversible componentReal 3D dataReconstruction approachBetter performanceBasis function methodPost-reconstruction approachesDirect 4D PET reconstruction of parametric images into a stereotaxic brain atlas for [<sup>11</sup>C]raclopride
Gravel P, Verhaeghe J, Reader A. Direct 4D PET reconstruction of parametric images into a stereotaxic brain atlas for [11C]raclopride. 2011 IEEE Nuclear Science Symposium Conference Record 2013, 3994-3998. DOI: 10.1109/nssmic.2012.6551915.Peer-Reviewed Original ResearchKinetic parameter estimationKey processing stagesParameter estimationImage resolution degradationKinetic parametersInaccurate modelingVoxel-wise kinetic parametersPerformance of reconstructionResolution degradationSpatial transformation parametersMaximum likelihood expectation maximization reconstruction algorithmMotion correctionRoot mean squared errorImage resolutionSub-optimal estimatesRoot-MeanExpectation maximization reconstruction algorithmReconstruction frameworkInterpolation effectReconstruction algorithmReconstruction methodError analysisMean squared errorProcessing stagesParameters
2010
Task-Oriented and Study-Dependent Optimization of 3D and Fully 4D Reconstruction Parameters for [18F]FDG Imaging
Gravel P, Verhaeghe J, Reader A. Task-Oriented and Study-Dependent Optimization of 3D and Fully 4D Reconstruction Parameters for [18F]FDG Imaging. 2010, 2088-2091. DOI: 10.1109/nssmic.2010.5874145.Peer-Reviewed Original ResearchIterative image reconstructionReconstruction parametersIteration numberPredefined setSpecific tasksImage reconstructionHigh-resolution research tomographImage reconstruction parametersFunctional parameter estimationEarly stoppingTask OrientedParameter selectionEM algorithmParameter estimationLow errorTask