2 papers
math.OC2024
An accelerated preconditioned proximal gradient algorithm with a generalized Nesterov momentum for PET image reconstruction
Yizun Lin, Yongxin He, C. Ross Schmidtlein +1
This paper presents an Accelerated Preconditioned Proximal Gradient Algorithm (APPGA) for effectively solving a class of Positron Emission Tomography (PET) image reconstruction mod…
math.NA2021
Convergence Rate Analysis of Accelerated Forward-Backward Algorithm with Generalized Nesterov Momentum Scheme
Yizun Lin, Si Li, Yunzhong Zhang
Nesterov's accelerated forward-backward algorithm (AFBA) is an efficient algorithm for solving a class of two-term convex optimization models consisting of a differentiable functio…