Systems and methods for motion correction in positron emission tomography imaging

摘要

Systems and methods for compensating motion artifacts in positron emission tomography (“PET”) imaging based on medical images acquired with a medical imaging system are provided. In some embodiments, the method includes acquiring PET data from a subject with a PET system during which at least a portion of the subject is undergoing motion, and providing medical images acquired from the subject using a medical imaging system, the medical images including regions depicting motion. The method also includes estimating, from the medical images, motion information associated with the motion of the at least a portion of the subject, and reconstructing a motion-corrected PET image using the PET data using a reconstruction algorithm that incorporates the motion information into a system matrix.