Anatomy-guided multi-resolution image reconstruction in PET
P Lesonen,
V-V Wettenhovi,
V Kolehmainen
et al.
Abstract:In this paper, we propose positron emission tomography (PET) image reconstruction using a multi-resolution triangular mesh. The mesh can be adapted based on patient specific anatomical information that can be in the form of a computed tomography (CT) or magnetic resonance imaging (MRI) image in the hybrid imaging systems. The triangular mesh can be adapted to high resolution in localized anatomical regions of interest (ROI) and made coarser in other regions, leading to an imaging model with high resolution in … Show more
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