Nonlocal means method using weight refining for despeckling of ultrasound images

Y Zhan, M Ding, L Wu, X Zhang - Signal Processing, 2014 - Elsevier
Speckle noise is an inherent nature of ultrasound images, which have negative effect on
image interpretation and diagnostic tasks. In this paper, a nonlocal means method using …

PCANet based nonlocal means method for speckle noise removal in ultrasound images

H Yu, M Ding, X Zhang, J Wu - PloS one, 2018 - journals.plos.org
Speckle reduction remains a critical issue for ultrasound image processing and analysis.
The nonlocal means (NLM) filter has recently attached much attention due to its competitive …

Inexact accelerated augmented Lagrangian methods

M Kang, M Kang, M Jung - Computational Optimization and Applications, 2015 - Springer
The augmented Lagrangian method (ALM) is a popular method for solving linearly
constrained convex minimization problems, and it has been used in many applications such …

A fast adaptive reweighted residual-feedback iterative algorithm for fractional-order total variation regularized multiplicative noise removal of partly-textured images

J Zhang, Z Wei, L ** using plug-and-play alternating direction method of multipliers
S Kamesh Iyer, BF Moon, N Josselyn, RM Kurtz… - Scientific Reports, 2022 - nature.com
Quantitative susceptibility map** employs regularization to reduce artifacts, yet many
recent denoisers are unavailable for reconstruction. We developed a plug-and-play …

High‐Order Total Bounded Variation Model and Its Fast Algorithm for Poissonian Image Restoration

J Zhang, M Ma, Z Wu, C Deng - Mathematical Problems in …, 2019 - Wiley Online Library
In this paper, a new model for image restoration under Poisson noise based on a high‐order
total bounded variation is proposed. Existence and uniqueness of its solution are proved. To …

A novel fractional‐order reaction diffusion system for the multiplicative noise removal

J Gao, J Sun, W Yao, Z Guo - Studies in Applied Mathematics, 2021 - Wiley Online Library
In this paper, a fractional‐order nonlinear reaction diffusion system is proposed to remove
the multiplicative Gamma noise. The new reaction diffusion system consists of three …

A convex nonlocal total variation regularization algorithm for multiplicative noise removal

M Chen, H Zhang, Q Han, CC Huang - EURASIP Journal on Image and …, 2019 - Springer
This study proposes a nonlocal total variation restoration method to address multiplicative
noise removal problems. The strictly convex, objective, nonlocal, total variation effectively …