Keywords: Image Reconstruction, Image Reconstruction, Simultaneous PET/MRI Imaging, dedicated scanner
Motivation: Dedicated brain PET devices can acquire high-quality images while also allowing for simultaneous imaging with MRI equipment.
Goal(s): The implemention of software system of a MR compatible brain PET including data acquisition, sinogram generation, imaging reconstructionis presented.
Approach: We designed a virtual crystal-based sinogram generation method and implemented OSEM image reconstruction software with various acceleration strategies.
Results: The functionality of the software system and the imaging capability of the PET scanner were demonstrated by simultaneous PET and MRI imaging of the human brain.
Impact: The sinogram generation method and image reconstruction acceleration strategies developed in this work can also be used for other PET scanners using high DOI resolution depth encoding detectors.
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