Search Results - Normalized proximal gradient algorithm*

Proximal Gradient \(\boldsymbol{\mathcal{VU}}\)-Method with Superlinear Convergence for Nonsmooth Convex Optimization.

Authors: Liu, Shuai Sagastizabal, Claudia Solodov, Mikhail V.

Source: SIAM Journal on Optimization; 2025, Vol. 35 Issue 3, p1601-1629, 29p

Subject Terms: NONSMOOTH optimization, OPTIMIZATION algorithms, NUMERICAL calculations, LAGRANGIAN functions, NEWTON-Raphson method, HESSIAN matrices, MATHEMATICAL optimization

An accelerated preconditioned proximal gradient algorithm with a generalized Nesterov momentum for PET image reconstruction.

Authors: Lin, Yizun He, Yongxin Ross Schmidtlein, C et al.

Source: Inverse Problems; Apr2025, Vol. 41 Issue 4, p1-26, 26p

Subject Terms: POSITRON emission tomography, IMAGE reconstruction, ALGORITHMS, IMAGE reconstruction algorithms

An Accelerated Double-Proximal Gradient Algorithm for DC Programming.

Authors: Li, Gaoxi Yi, Ying Huang, Yingquan

Source: Asia-Pacific Journal of Operational Research; Jun2024, Vol. 41 Issue 3, p1-21, 21p

Subject Terms: ALGORITHMS, IMAGE processing

MODULAR-PROXIMAL GRADIENT ALGORITHMS IN VARIABLE EXPONENT LEBESGUE SPACES.

Authors: LAZZARETTI, MARTA CALATRONI, LUCA ESTATICO, CLAUDIO

Source: SIAM Journal on Scientific Computing; 2022, Vol. 44 Issue 6, pA3463-A3489, 27p

Subject Terms: INVERSE problems, DECONVOLUTION (Mathematics), MODULAR functions, EIGENFUNCTIONS, EXPONENTS, ALGORITHMS

On convergence of iterative thresholding algorithms to approximate sparse solution for composite nonconvex optimization.

Authors: Hu, Yaohua Hu, Xinlin Yang, Xiaoqi

Source: Mathematical Programming; May2025, Vol. 211 Issue 1, p181-206, 26p

Subject Terms: RESTRICTED isometry property, CONTINUATION methods, LINEAR systems, ALGORITHMS, MATHEMATICS, THRESHOLDING algorithms

Unmatched Preconditioning of the Proximal Gradient Algorithm.

Authors: Savanier, Marion Chouzenoux, Emilie Pesquet, Jean-Christophe et al.

Source: IEEE Signal Processing Letters; May2022, Vol. 29, p1122-1126, 5p

Subject Terms: IMAGE reconstruction, TOMOGRAPHY, ALGORITHMS, ELECTRONIC packaging, LINEAR programming

Automated Restarting Fast Proximal Gradient Descent Method for Single-View Cone-Beam X-ray Luminescence Computed Tomography Based on Depth Compensation.

Authors: Gao, Peng Pu, Huangsheng Liu, Tianshuai et al.

Source: Bioengineering (Basel); Feb2024, Vol. 11 Issue 2, p123, 14p

Subject Terms: COMPUTED tomography, THREE-dimensional imaging, LUMINESCENCE, OPTICAL tomography, GEOMETRIC tomography, IMAGE reconstruction algorithms, ZOOGEOGRAPHY, INVERSE problems

Convergence of proximal gradient algorithm in the presence of adjoint mismatch.

Authors: Chouzenoux, Emilie Pesquet, Jean-Christophe Riddell, Cyril et al.

Source: Inverse Problems; Jun2021, Vol. 37 Issue 6, p1-29, 29p

Subject Terms: ALGORITHMS, COMPUTED tomography, IMAGE reconstruction algorithms, LINEAR operators, IMAGE reconstruction, DATA science

Decentralized Proximal Gradient Algorithms With Linear Convergence Rates.

Authors: Alghunaim, Sulaiman A. Ryu, Ernest K. Yuan, Kun et al.

Source: IEEE Transactions on Automatic Control; Jun2021, Vol. 66 Issue 6, p2787-2794, 8p

Subject Terms: ALGORITHMS, SYMMETRIC matrices, APPROXIMATION algorithms, CONVEX functions, COST functions

A smoothing proximal gradient algorithm for matrix rank minimization problem.

Authors: Yu, Quan Zhang, Xinzhen

Source: Computational Optimization & Applications; Mar2022, Vol. 81 Issue 2, p519-538, 20p

Subject Terms: ALGORITHMS, MATRICES (Mathematics)

Extra Proximal-Gradient Network with Learned Regularization for Image Compressive Sensing Reconstruction.

Authors: Zhang, Qingchao Ye, Xiaojing Chen, Yunmei

Source: Journal of Imaging; Jul2022, Vol. 8 Issue 7, p178-178, 13p

Subject Terms: IMAGE reconstruction algorithms, ARTIFICIAL neural networks, IMAGE reconstruction, INVERSE problems, MACHINE learning, MATHEMATICAL optimization

太赫兹超大规模 MIMO 混合场信道估计. (Chinese)

Alternate Title: Terahertz extremely large-scale MIMO hybrid field channel estimation. (English)

Authors: 高　波 傅友华 刘　陈

Source: Systems Engineering & Electronics; Aug2025, Vol. 47 Issue 8, p2744-2752, 9p

Subject Terms: CHANNEL estimation, MIMO systems, TERAHERTZ technology, CONVEX programming, OPTIMIZATION algorithms

RANDOM COORDINATE DESCENT METHODS FOR NONSEPARABLE COMPOSITE OPTIMIZATION.

Authors: CHOROBURA, FLAVIA NECOARA, ION

Source: SIAM Journal on Optimization; 2023, Vol. 33 Issue 3, p2160-2190, 31p

Subject Terms: CONVEX sets, CONJUGATE gradient methods, ALGORITHMS

Efficient Sparse Probability Measures Recovery via Bregman Gradient.

Authors: Pan, Jianting Yan, Ming

Source: Journal of Scientific Computing; Mar2025, Vol. 102 Issue 3, p1-19, 19p

Distributed Sparse Manifold-Constrained Optimization Algorithm in Linear Discriminant Analysis.

Authors: Zhang, Yuhao Chen, Xiaoxiang Feng, Manlong et al.

Source: Journal of Imaging; Mar2025, Vol. 11 Issue 3, p81, 18p

Subject Terms: FISHER discriminant analysis, OPTIMIZATION algorithms, LINEAR programming, VIDEO processing, IMAGE processing, SUPERVISED learning, DIMENSION reduction (Statistics)

Fault Diagnosis of Gear Lubrication Systems Using Sensor Measurements and Data-driven Machine Learning: A Case Study of a Nuclear Power Plant.

Authors: Wenjuan Zhang Kun-Chieh Wang Hao Gao et al.

Source: Sensors & Materials; 2025, Vol. 37 Issue 6, Part 2, p2325-2349, 25p

Subject Terms: FAULT trees (Reliability engineering), LUBRICATION systems, FAULT diagnosis, OPTIMIZATION algorithms, PRINCIPAL components analysis, NUCLEAR power plants

A Riemannian Optimization Approach to Clustering Problems.

Authors: Huang, Wen Wei, Meng Gallivan, Kyle A. et al.

Source: Journal of Scientific Computing; Apr2025, Vol. 103 Issue 1, p1-36, 36p

A Proximal–Based Algorithm for Piecewise Sparse Approximation with Application to Scattered Data Fitting.

Authors: Zhong, Yijun Li, Chongjun Li, Zhong et al.

Source: International Journal of Applied Mathematics & Computer Science; Dec2022, Vol. 32 Issue 4, p671-682, 12p

Subject Terms: SPARSE approximations, DIFFERENTIAL equations, ALGORITHMS

A PROXIMAL--BASED ALGORITHM FOR PIECEWISE SPARSE APPROXIMATIONWITH APPLICATION TO SCATTERED DATA FITTING.

Authors: YIJUN ZHONG CHONGJUN LI ZHONG LI et al.

Source: International Journal of Applied Mathematics & Computer Science; 2022, Vol. 32 Issue 4, p671-682, 12p

Subject Terms: SPARSE approximations, DIFFERENTIAL equations, ALGORITHMS

Novel Proximal Gradient Methods for Nonnegative Matrix Factorization with Sparsity Constraints.

Authors: Teboulle, Marc Vaisbourd, Yakov

Source: SIAM Journal on Imaging Sciences; 2020, Vol. 13 Issue 1, p381-421, 41p

Subject Terms: MATRIX decomposition, NONNEGATIVE matrices, LEAST squares, ALGORITHMS, CONTINUITY