A Krasnoselskii-Mann Algorithm With an Improved EM Preconditioner for PET Image Reconstruction - Lin, Yizun; Schmidtlein, C. Ross; Li, Qia; Li, Si; Xu, Yuesheng (IEEE transactions on medical imaging, 2019)
Keywords: Algorithms; Biomedical imaging; Brain - diagnostic imaging; Computational geometry; Convergence; Convex functions; Convexity; Humans; Image processing; Image Processing, Computer-Assisted - methods; Image reconstruction; Krasnoselskii-Mann algorithm; Male; maximum likelihood estimation; Middle Aged; Optimization; Phantoms, Imaging; Positron emission; Positron emission tomography; Positron-Emission Tomography - methods; Tomography; total variation