Výsledky vyhledávání - gradient-based minimization algorithms

Gradient-Based Algorithms With Intermediate Observations in Static and Differential Games Autor Hossain, Mohammad Safayet, Simaan, Marwan A., Qu, Zhihua

“… In this paper, we propose an approach in which each player implements an iterative discrete-time gradient-based algorithm that relies only on intermediate either current or prior observations…”
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A proportional fair scheduling strategy using multiobjective gradient‐based African buffalo optimization algorithm for effective resource allocation and interference minimization Autor Kesavan, Dhivya, Periyathambi, Ezhumalai, Chokkalingam, Arun

“… In this paper, a novel Multi‐Objective Gradient‐based African Buffalo Optimization (MOGABO) algorithm is developed to handle proportional fairness scheduling, improve…”
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Detection of Simulated Brain Strokes Using Microwave Tomography Autor Coli, Vanna Lisa, Tournier, Pierre-Henri, Dolean, Victorita, Kanfoud, Ibtissam El, Pichot, Christian, Migliaccio, Claire, Blanc-Feraud, Laure

“…Brain strokes are one of the leading causes of disability and mortality in adults in developed countries. Ischemic stroke (85% of total cases) and hemorrhagic…”
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A gradient descent based algorithm for ℓ minimization Autor Jiang, Shan, Fang, Shu-Cherng, Nie, Tiantian, Xing, Wenxun

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Fast algorithms for sparse frequency waveform design with sidelobe constraint Autor Tang, Liang, Zhu, Yongfeng, Wu, Hao, Fu, Qiang

“…–minimization method and a gradient-based algorithm are derived to deal with this problem. The proposed algorithms can be easily implemented by the fast Fourier transform (FFT…”
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The Maximum Likelihood Ensemble Filter as a non‐differentiable minimization algorithm Autor Zupanski, Milija, Navon, I. Michael, Zupanski, Dusanka

“…‐based unconstrained methods, such as the preconditioned conjugate‐gradient and quasi‐Newton methods. In the new minimization algorithm the vector of first…”
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Improved analysis‐error covariance matrix for high‐dimensional variational inversions: application to source estimation using a 3D atmospheric transport model Autor Bousserez, N., Henze, D. K., Perkins, A., Bowman, K. W., Lee, M., Liu, J., Deng, F., Jones, D. B. A.

“…Variational methods are widely used to solve geophysical inverse problems. Although gradient‐based minimization algorithms are available for high…”
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Unmagnetized plasma media parameters reconstruction using FDTD and gradient‐based minimization method Autor Deng, Haochuan, Shi, Lijuan, Feng, Xuejian, Wei, Xiao, Yin, Hongcheng

“…) method in conjunction with Lagrange multipliers and gradient‐based minimization method are used in the proposed algorithm…”
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Gradient-based Learning Methods Extended to Smooth Manifolds Applied to Automated Clustering Autor Koudounas, Alkis, Fiori, Simone

“… in  terms of a loss minimization problem over a smooth manifold known as Grassmannian.  Such minimization problem cannot be tackled by one of traditional gradient-based learning…”
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Gradient gravitational search: An efficient metaheuristic algorithm for global optimization Autor Dash, Tirtharaj, Sahu, Prabhat K.

“… to efficient algorithm, computational cost and accuracy. In this article, the gradient‐based gravitational search (GGS…”
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Seismic tomography of the southern California crust based on spectral-element and adjoint methods Autor Tape, Carl, Liu, Qinya, Maggi, Alessia, Tromp, Jeroen

“… Time windows for measurements are automatically selected by the FLEXWIN algorithm. The misfit function in the tomographic inversion is based on frequency-dependent multitaper traveltime differences…”
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Land surface model parameter optimisation using in situ flux data: comparison of gradient-based versus random search algorithms (a case study using ORCHIDEE v1.9.5.2) Autor Bastrikov, Vladislav, MacBean, Natasha, Bacour, Cédric, Santaren, Diego, Kuppel, Sylvain, Peylin, Philippe

“… We perform a technical investigation of two classes of minimisation methods – local gradient-based…”
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Multimodality medical image fusion algorithm based on gradient minimization smoothing filter and pulse coupled neural network Autor Liu, Xingbin, Mei, Wenbo, Du, Huiqian

“…•The proposed scheme outperforms classical and state-of-the-art methods. We propose a novel multimodality medical image fusion algorithm which involves L0 gradient minimization smoothing filter (GMSF…”
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A second-order shape optimization algorithm for solving the exterior Bernoulli free boundary problem using a new boundary cost functional Autor Rabago, Julius Fergy T., Azegami, Hideyuki

“… The gradient and Hessian informations are then used to formulate an efficient second-order gradient-based descent algorithm to numerically solve the minimization problem…”
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Real power loss dwindling and voltage reliability enrichment by gradient based optimization algorithm Autor Kanagasabai, Lenin

“…This paper proposes Gradient based Optimization (GO) Algorithm for genuine loss lessening…”
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Solution of the nonlinear elasticity imaging inverse problem: The incompressible case Autor Goenezen, Sevan, Barbone, Paul, Oberai, Assad A.

“… The main ingredients of our algorithm are a gradient based quasi-Newton minimization strategy, the use of adjoint equations and a novel strategy for continuation in the material parameters…”
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Ecosystem model optimization using in situ flux observations: benefit of Monte Carlo versus variational schemes and analyses of the year-to-year model performances Autor Santaren, D., Peylin, P., Bacour, C., Ciais, P., Longdoz, B.

“…Terrestrial ecosystem models can provide major insights into the responses of Earth's ecosystems to environmental changes and rising levels of atmospheric CO2…”
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Sparse Reconstruction Using Hyperbolic Tangent as Smooth l1-Norm Approximation Autor Haider, Hassaan, Shah, Jawad Ali, Kadir, Kushsairy, Khan, Najeeb

“… However, l1 norm non-differentiable and gradient-based minimization algorithms are not applicable, due to this very reason there is a need to approximate l1 norm by its smooth approximation…”
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A Majorization-Minimization Algorithm for Neuroimage Registration Autor Zhou, Gaiting, Tward, Daniel, Lange, Kenneth

“… This limitation imposes substantial time and computational costs. Here we propose a gradient-independent rigid-motion registration algorithm based on the majorization-minimization (MM) principle…”
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Barzilai-Borwein Gradient Algorithm Based Alternating Minimization for Single User Millimeter Wave Systems Autor Mulla, Mustafa, Ulusoy, Ali Hakan, Rizaner, Ahmet, Amca, Hasan

“… We then proposed a new low-complexity alternating minimization algorithm based on the Barzilai-Borwein gradient algorithm to maximize the spectral efficiency…”
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