Harmonization of brain PET images in multi-center PET studies using Hoffman phantom scan.
Mahnaz ShekariEline E VerwerMaqsood YaqubMarcel DaamenChristopher BuckleyGiovanni B FrisoniPieter Jelle VisserGill FarrarFrederik BarkhofJuan-Domingo GispertRonald Boellaardnull nullPublished in: EJNMMI physics (2023)
Harmonizing the EIR of brain PET scans significantly reduced image quality variability while minimally affecting quantitative accuracy. This method can be used prospectively for harmonizing scans to target sharper resolutions and is robust against dose-calibrator errors. Comparable image quality is attainable in brain PET multi-center studies while maintaining quantitative accuracy.
Keyphrases
- image quality
- computed tomography
- positron emission tomography
- dual energy
- resting state
- white matter
- magnetic resonance imaging
- pet ct
- functional connectivity
- contrast enhanced
- cerebral ischemia
- pet imaging
- high resolution
- case control
- patient safety
- machine learning
- convolutional neural network
- mass spectrometry
- magnetic resonance
- blood brain barrier
- quality improvement