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Purpose
The accuracy of existing PET/MR attenuation correction (AC) has been limited by a lack of correlation between MR signal and tissue electron density. Based on our finding that longitudinal relaxation rate, or R1, is associated with CT Hounsfield unit in bone and soft tissues in the brain, we propose a deep learning T1‐enhanced selection of linear attenuation coefficients (DL‐TESLA) method...
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