adaptive momentum 1convex optimization 1fixed-point algorithms 1image denoising 1matrix completion 1
From the 1 of 3 linked papers with an AI index.
3 papers
math.OC2026
A Two-step Krasnosel'skii-Mann Algorithm with Adaptive Momentum and Its Applications to Image Denoising and Matrix Completion
Yongxin He, Jingyuan Li, Yizun Lin +1
The paper introduces a two-step Krasnosel'skii‑Mann algorithm with adaptive momentum for solving convex optimization problems, and demonstrates its effectiveness on image denoising…
q-fin.PM2024
A Krasnoselskii-Mann Proximity Algorithm for Markowitz Portfolios with Adaptive Expected Return Level
Yizun Lin, Yongxin He, Zhao-Rong Lai
Markowitz's criterion aims to balance expected return and risk when optimizing the portfolio. The expected return level is usually fixed according to the risk appetite of an invest…
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…