2025
A novel method for harmonization of PET image spatial resolution without phantoms
Carbonell F, Zijdenbos A, Hempel E, Hajós M, Bedell B. A novel method for harmonization of PET image spatial resolution without phantoms. EJNMMI Physics 2025, 12: 23. PMID: 40082316, PMCID: PMC11906943, DOI: 10.1186/s40658-025-00740-9.Peer-Reviewed Original ResearchPhantom imagesGroup of imagesLinear regression problemSpatial resolutionAlzheimer's Disease Neuroimaging InitiativeRegression problemPET imagingHoffman phantomResolution estimatesEstimation of spatial resolutionMultiple linear regression problemFourier domainImage spatial resolutionPhysical phantomAcquisition of imagesMaximum difference valuePhantom dataPhantomReconstruction parametersScanner modelsIn-planeVoxel sizeFourier transformSubject's PET imageIntensity plots
2024
Noise-aware dynamic image denoising and positron range correction for Rubidium-82 cardiac PET imaging via self-supervision
Xie H, Guo L, Velo A, Liu Z, Liu Q, Guo X, Zhou B, Chen X, Tsai Y, Miao T, Xia M, Liu Y, Armstrong I, Wang G, Carson R, Sinusas A, Liu C. Noise-aware dynamic image denoising and positron range correction for Rubidium-82 cardiac PET imaging via self-supervision. Medical Image Analysis 2024, 100: 103391. PMID: 39579623, PMCID: PMC11647511, DOI: 10.1016/j.media.2024.103391.Peer-Reviewed Original ResearchImage denoisingPositron range correctionDynamic framesSelf-supervised methodsSuperior visual qualityLow signal-to-noise ratioCardiac PET imagingDenoising methodSignal-to-noise ratioSelf-supervisionVisual qualityHigh-energy positronsRange correctionsDenoisingNoise levelImage spatial resolutionImage qualityDefect contrastPET imagingImage quantificationRadioactive isotopesPatient scansQuantitative accuracyImagesFrame
2018
Design of a sustainable prepolarizing magnetic resonance imaging system for infant hydrocephalus
Obungoloch J, Harper J, Consevage S, Savukov I, Neuberger T, Tadigadapa S, Schiff S. Design of a sustainable prepolarizing magnetic resonance imaging system for infant hydrocephalus. Magnetic Resonance Materials In Physics, Biology And Medicine 2018, 31: 665-676. PMID: 29644479, PMCID: PMC6135672, DOI: 10.1007/s10334-018-0683-y.Peer-Reviewed Original ResearchConceptsLow power requirementsSpatial resolutionLF-MRIModest spatial resolutionMagnetic resonance imaging systemPower requirementsCoil systemImage spatial resolutionUnshielded environmentGradient fieldResonance imaging systemLow costDeployment potentialEnergy supplySpecific applicationsUnshielded roomImaging systemLow-field magnetic resonance imaging
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply