Výsledky vyhledávání - inverse (problems OR problems) iterative minimization algorithm numerical

An efficient algorithm based on viscosity tseng-type method for solving split hierarchical monotone variational inclusion problems with multiple output sets,.

Autoři: Wickramasinghe, Madushi U. Ugwu, Odirachukwunma Alakoya, Timilehin O. a další

Zdroj: Journal of Industrial & Management Optimization. May2025, Vol. 21 Issue 5, p1-38. 38p.

Témata: *PROBLEM solving, *ALGORITHMS, HILBERT space, INVERSE problems, VISCOSITY

Variational method of numerical solution of the inverse problem of gas lift oil production process

Autoři: N.M. Temirbekov A.K. Turarov

Zdroj: Қарағанды университетінің хабаршысы. Математика сериясы, Vol 118, Iss 2 (2025)

Témata: gas lift process of oil production, hyperbolic equation, conjugate equation, inverse problem, optimal control, gradient method, Analysis, QA299.6-433, Analytic mechanics, QA801-939, Probabilities. Mathematical statistics, QA273-280

Popis souboru: electronic resource

Relation: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/950; https://doaj.org/toc/2518-7929; https://doaj.org/toc/2663-5011

Přístupová URL adresa: https://doaj.org/article/f0fd40d61f6145aba15edbafb1c2faa3

HDG approximation of time-harmonic waves in elastic heterogeneous media with application to Full-Waveform Inversion

Autoři: Barucq, Hélène Faucher, Florian Pham, Ha

Přispěvatelé: Barucq, Hélène Faucher, Florian Pham, Ha

Témata: Inverse problem Iterative minimization algorithm Numerical, [SPI] Engineering Sciences [physics], [MATH] Mathematics [math]

Popis souboru: application/pdf

Přístupová URL adresa: https://inria.hal.science/hal-04709800v1

High-Performance Numerical Modeling for Detection of Rotator Cuff Tear

Autoři: Borzooei, Sahar Migliaccio, Claire Dolean, Victorita a další

Přispěvatelé: Borzooei, Sahar Migliaccio, Claire Dolean, Victorita a další

Zdroj: 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI). :1879-1880

Témata: Inverse problems, Numerical models, Parallel algorithms, Iterative methods, inverse problems, Microwave imaging, Microwave theory and techniques, [SPI.ELEC] Engineering Sciences [physics]/Electromagnetism, Image reconstruction, Biomechanics, Computational modeling, Tomography, Minimization

Přístupová URL adresa: https://hal.science/hal-04038201v1
https://doi.org/10.1109/usnc-ursi52151.2023.10238302

Regularization of Linear Inverse Problems with Irregular Noise Using Embedding Operators.

Autoři: Xinyan Li Hubmer, Simon Shuai Lu a další

Zdroj: SIAM Journal on Imaging Sciences; 2024, Vol. 17 Issue 4, p2053-2075, 23p

Témata: COMPUTED tomography, INVERSE problems, TIKHONOV regularization, NOISE, ALGORITHMS

Computational Methods for Large-Scale Inverse Problems: A Survey on Hybrid Projection Methods.

Autoři: Chung, Julianne Gazzola, Silvia

Zdroj: SIAM Review; Jun2024, Vol. 66 Issue 2, p205-284, 80p

Témata: NUMERICAL solutions for linear algebra, KRYLOV subspace, MATHEMATICAL regularization

A general framework for whiteness-based parameters selection in variational models.

Autoři: Bevilacqua, Francesca Lanza, Alessandro Pragliola, Monica a další

Zdroj: Computational Optimization & Applications; Jun2025, Vol. 91 Issue 2, p457-489, 33p

Témata: BILEVEL programming, COMPUTATIONAL mathematics, INVERSE problems, REGULARIZATION parameter, CORRUPTION

Using Alternating Minimization and Convexified Carleman Weighted Objective Functional for a Time-Domain Inverse Scattering Problem.

Autoři: Thành, Nguyen Trung

Zdroj: Axioms (2075-1680); Jul2023, Vol. 12 Issue 7, p642, 15p

Témata: INVERSE scattering transform, INVERSE problems, PARTIAL differential equations, HELMHOLTZ equation, WAVE equation, HILBERT space

A Hybrid Regularization Model for Linear Inverse Problems

Autoři: Fang, Ximing

Zdroj: Filomat, 2022 Jan 01. 36(8), 2739-2748.

Přístupová URL adresa: https://www.jstor.org/stable/27384766

Image reconstruction in cone beam computed tomography using controlled gradient sparsity.

Autoři: Meaney, Alexander Brix, Mikael A. K. Nieminen, Miika T. a další

Zdroj: Applied Mathematics for Modern Challenges; Mar2025, Vol. 3 Issue 1, p1-26, 26p

Témata: COMPUTED tomography, TRICUSPID valve surgery, IMAGE reconstruction, REGULARIZATION parameter, INVERSE problems, CONE beam computed tomography, IMAGE reconstruction algorithms

Fast iterative algorithms for solving the minimization of curvature-related functionals in surface fairing.

Autoři: Brito-Loeza, Carlos Chen, Ke

Zdroj: International Journal of Computer Mathematics. Jan2013, Vol. 90 Issue 1, p92-108. 17p. 3 Diagrams, 2 Charts.

Témata: *Algorithms, *Image processing, Iterative methods (Mathematics), Curvature, Dimension reduction (Statistics), Inverse problems, High resolution imaging

Iterative Potts and Blake-Zisserman minimization for the recovery of functions with discontinuities from indirect measurements.

Autoři: Weinmann, Andreas Storath, Martin

Zdroj: Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences; 4/8/2015, Vol. 471 Issue 2176, p1-25, 25p

Témata: ELECTRIC interference, ITERATIVE methods (Mathematics), SIGNAL-to-noise ratio, INVERSE problems, MATHEMATICAL functions, SPARSE approximations

Estimating absorption and scattering in quantitative photoacoustic tomography with an adaptive Monte Carlo method for light transport.

Autoři: Hänninen, Niko Pulkkinen, Aki Arridge, Simon a další

Zdroj: Inverse Problems & Imaging; Oct2024, Vol. 18 Issue 5, p1-26, 26p

Témata: MONTE Carlo method, PHOTON counting, INVERSE problems, ENERGY density, TOMOGRAPHY, WAVE packets

Sparse Nonlinear Electromagnetic Imaging Accelerated With Projected Steepest Descent Algorithm.

Autoři: Desmal, Abdulla Bagci, Hakan

Zdroj: IEEE Transactions on Geoscience & Remote Sensing; Jul2017, Vol. 55 Issue 7, p3810-3822, 13p

Témata: ELECTROMAGNETIC wave scattering, NONLINEAR imaging sensors, METHOD of steepest descent (Numerical analysis), INVERSE problems, IMAGE reconstruction algorithms

Numerical investigation of a multi-step one-shot method for frequency domain acoustic full waveform inversion
Investigation numérique d’une méthode multi-step one-shot pour l’inversion de forme d’onde acoustique complète en domaine fréquentiel

Autoři: Sior, Alejandro Geuzaine, Christophe Arnst, Maarten a další

Přispěvatelé: Sior, Alejandro Geuzaine, Christophe Arnst, Maarten a další

Témata: full waveform inversion, domain decomposition methods, one-shot, optimization, Engineering, computing & technology, Ingénierie, informatique & technologie

Popis souboru: 88

Přístupová URL adresa: https://orbi.uliege.be/handle/2268/335299

An Extended Reweighted ℓ1 Minimization Algorithm for Image Restoration

Autoři: Sining Huang Yupeng Chen Tiantian Qiao

Zdroj: Mathematics, Vol 9, Iss 24, p 3224 (2021)

Témata: extended reweighted ℓ1 minimization, fast algorithm, image restoration, iterative generalized inverse, Mathematics, QA1-939

Popis souboru: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/24/3224; https://doaj.org/toc/2227-7390

Přístupová URL adresa: https://doaj.org/article/6718ddb762cf4c9cac833bbb998921b7

An Adaptive Material Interpolation for the Reconstruction of P-Wave Velocity Models with Sharp Interfaces using the Topology Optimization Method.

Autoři: Gonçalves, Juliano F. Silva, Emílio C. N.

Zdroj: Journal of Theoretical & Computational Acoustics; Dec2022, Vol. 30 Issue 4, p1-23, 23p

Témata: SMART materials, INTERPOLATION, TOPOLOGY, INVERSE problems, SIMULATED annealing, ADJOINT differential equations, CURVE fitting

Continuous Analog of Accelerated OS-EM Algorithm for Computed Tomography

Autoři: 立石, 貴代子 山口, 雄作 アボウ アルオラ, オマル a další

Zdroj: Mathematical Problems in Engineering. 2017

Témata: Computed tomography, Image reconstruction, Inverse problem, Iterative reconstruction, Dynamical system

Popis souboru: application/pdf

Přístupová URL adresa: https://ndlsearch.ndl.go.jp/books/R100000039-I11300296

Degree: 博士（保健学） -- 徳島大学

Regularized Generalized Inverse Accelerating Linearized Alternating Minimization Algorithm for Frame-Based Poissonian Image Deblurring.

Autoři: Dai-Qiang Chen

Zdroj: SIAM Journal on Imaging Sciences; 2014, Vol. 7 Issue 2, p716-739, 24p

Témata: IMAGING system noise, POISSON distribution, INVERSE problems, IMAGE reconstruction algorithms, IMAGE reconstruction, MULTIPLIERS (Mathematical analysis)

Augmented Lagrangian method for a total variation-based model for demodulating phase discontinuities.

Autoři: Legarda-Saenz, Ricardo Brito-Loeza, Carlos

Zdroj: Journal of Algorithms & Computational Technology; Jan-Dec2020, Vol. 14, p1-8, 8p

Témata: DIFFRACTION patterns, LAGRANGIAN functions, INVERSE problems