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We describe an evaluation of the accuracy of the estimated average μ-value within patients from MR derived μ-maps. Recently, a more optimal initial attenuation image or μ-map estimate in TOF-MLAA reconstruction has been proposed for hybrid PET/MR imaging. The proposed initial μ-map estimate is an image of the object filled with the average μ-value, and the proposed Initial Average Mu-value approach...
We describe an evaluation of a more optimal initial attenuation image or μ-map estimate in TOF-MLAA for PET/MR. Typically, the initial μ-map estimate used in TOF-MLAA is an image filled with the μ-value of water uniformly within the object, and an additional calibration is required during or post reconstruction to produce a quantitative μ-map since TOF PET data determine the attenuation sinogram up...
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