Algorithms for joint activity-attenuation estimation from positron emission tomography scatter.
Yannick BerkerVolkmar SchulzJoel S KarpPublished in: EJNMMI physics (2019)
The performance of S2A algorithms depends on spatial scales. MLGA provides lower computational complexity and convergence in more diverse setups than MLEM-OSL. Finally, scattered data may provide additional information to joint estimation of activity and attenuation through S2A reconstruction.