Results 11 to 20 of about 41,026 (224)

Incremental Reduced Lagrangian Asymmetric ν-Twin Support Vector Regression [PDF]

open access: yesJisuanji kexue yu tansuo, 2023
Lagrangian asymmetric ν-twin support vector regression is a prediction algorithm with good generalization performance. However, it is unsuitable for the scenarios where the samples are provided incrementally.
ZHANG Shuaixin, GU Binjie, PAN Feng
doaj   +1 more source

Lagrange optimality system for a class of nonsmooth convex optimization [PDF]

open access: yes, 2015
In this paper, we revisit the augmented Lagrangian method for a class of nonsmooth convex optimization. We present the Lagrange optimality system of the augmented Lagrangian associated with the problems, and establish its connections with the standard ...
Jin, Bangti, Takeuchi, Tomoya
core   +2 more sources

A New Augmented Lagrangian Method for Equality Constrained Optimization with Simple Unconstrained Subproblem

open access: yesDiscrete Dynamics in Nature and Society, 2017
We propose a new method for equality constrained optimization based on augmented Lagrangian method. We construct an unconstrained subproblem by adding an adaptive quadratic term to the quadratic model of augmented Lagrangian function.
Hao Zhang, Qin Ni
doaj   +1 more source

Combining Deep Image Prior and Second-Order Generalized Total Variance for Image Denoising

open access: yesIEEE Access, 2023
Deep image prior is a classical unsupervised deep learning method that does not require plenty of training samples, because in some practical applications, like medical imaging, collecting tons of training samples is not always viable.
Jianlou Xu   +3 more
doaj   +1 more source

The Variable Projected Augmented Lagrangian Method

open access: yes, 2022
26 pages, 15 ...
Chung, Matthias, Renaut, Rosemary
openaire   +2 more sources

Parallel MR Image Reconstruction Using Augmented Lagrangian Methods [PDF]

open access: yesIEEE Transactions on Medical Imaging, 2011
Magnetic resonance image (MRI) reconstruction using SENSitivity Encoding (SENSE) requires regularization to suppress noise and aliasing effects. Edge-preserving and sparsity-based regularization criteria can improve image quality, but they demand computation-intensive nonlinear optimization.
Ramani, Sathish, Fessler, Jeffrey A.
openaire   +3 more sources

Smoothing Techniques and Augmented Lagrangian Method for Recourse Problem of Two-Stage Stochastic Linear Programming

open access: yesJournal of Applied Mathematics, 2013
The augmented Lagrangian method can be used for solving recourse problems and obtaining their normal solution in solving two-stage stochastic linear programming problems.
Saeed Ketabchi, Malihe Behboodi-Kahoo
doaj   +1 more source

Edge detection based on augmented lagrangian method for lowquality medical images

open access: yesHo Chi Minh City Open University Journal of Science - Engineering and Technology, 2018
Medical images are useful for the treatment process. They contain a lot of information on displaying abnormalities in your body. The contour of medical images is a matter of interest.
Vo Thi Hong Tuyet
doaj   +1 more source

Power management in a hydrothermal system considering maintenance using Lagrangian relaxation and augmented Lagrangian methods

open access: yesAlexandria Engineering Journal, 2022
The maintenance of power system equipment, specifically, the maintenance of generating units, is implicitly related to the reliability and economic operation of the power system.
M.R. Qader
doaj   +1 more source

A Distributed Asynchronous Method of Multipliers for Constrained Nonconvex Optimization [PDF]

open access: yes, 2018
This paper presents a fully asynchronous and distributed approach for tackling optimization problems in which both the objective function and the constraints may be nonconvex.
Farina, Francesco   +3 more
core   +3 more sources

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