2013
Direct 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
Motion compensation for fully 4D PET reconstruction using PET superset data
Verhaeghe J, Gravel P, Mio R, Fukasawa R, Rosa-Neto P, Soucy J, Thompson C, Reader A. Motion compensation for fully 4D PET reconstruction using PET superset data. Physics In Medicine And Biology 2010, 55: 4063-4082. PMID: 20601774, DOI: 10.1088/0031-9155/55/14/008.Peer-Reviewed Original ResearchConceptsSubject head motionPET reconstructionPET image reconstructionHead motionImage reconstruction algorithmMotion compensation methodImage framesOptical tracking systemMotion compensationList-mode eventsImage reconstructionTracking systemReconstruction algorithmSingle instanceMotion compensation strategyAlgorithmMultiple time framesReconstruction methodNormalization schemeImportant issuePET dataBasis functionsDynamic PET imagingHead movementsParametric images