MRI-Assisted PET Motion Correction for Neurologic Studies in an Integrated MR-PET Scanner
Catana C, Benner T, van der Kouwe A, Byars L, Hamm M, Chonde D, Michel C, Fakhri G, Schmand M, Sorensen A. MRI-Assisted PET Motion Correction for Neurologic Studies in an Integrated MR-PET Scanner. Journal Of Nuclear Medicine 2010, 52: 154-161. PMID: 21189415, PMCID: PMC3125596, DOI: 10.2967/jnumed.110.079343.Peer-Reviewed Original ResearchConceptsLines of responseMotion correctionPET motion correctionRigid-body motion correctionMC algorithmPET volumesQuantitative accuracyMR-PET scannersPET image qualityScatter sinogramEcho-planar imagingHoffman phantomSinogram spaceList-modeRandom coincidencesMotion tracking techniquePrototype scannerPhantom volumeImage qualityMR-PETMC methodPET dataSinogramPhantomVolunteer studiesNovel Scatter Compensation of List-Mode PET Data Using Spatial and Energy Dependent Corrections
Guérin B, Fakhri G. Novel Scatter Compensation of List-Mode PET Data Using Spatial and Energy Dependent Corrections. IEEE Transactions On Medical Imaging 2010, 30: 759-773. PMID: 21118770, PMCID: PMC3120772, DOI: 10.1109/tmi.2010.2095025.Peer-Reviewed Original ResearchConceptsScattered coincidencesEnergy resolutionE-pdfNCAT phantomDependent correctionsEnergy of individual photonsScatter correctionEnergy dependent correctionsEnergy probability density functionScatter correction schemeTotal energy spectrumList-mode acquisitionEnergy informationPositron emission tomography dataActivity distribution estimationScatter sinogramIndividual photonsEnergy spectrumCylindrical phantomEnergy distributionMonte Carlo simulationsScattering approachPhotonsScatteringScattering component