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…
cs.CV2019
Dynamic PET cardiac and parametric image reconstruction: a fixed-point proximity gradient approach using patch-based DCT and tensor SVD regularization
Ida Häggström, Yizun Lin, Si Li +3
Our aim was to enhance visual quality and quantitative accuracy of dynamic positron emission tomography (PET)uptake images by improved image reconstruction, using sophisticated spa…