Výsledky vyhledávání - "Projected gradient algorithm"

Learning Multiple Quantiles With Neural Networks Autor Moon, Sang Jun, Jeon, Jong-June, Lee, Jason Sang Hun, Kim, Yongdai

“…We present a neural network model for estimation of multiple conditional quantiles that satisfies the noncrossing property. Motivated by linear noncrossing…”
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MaxMin-L2-SVC-NCH: A novel approach for support vector classifier training and parameter selection Autor Luo, Linkai, Yang, Qiaoling, Peng, Hong, Wang, Yiding, Chen, Ziyang

“…The selection of Gaussian kernel parameters plays an important role in the applications of support vector classification (SVC). A commonly used method is the…”
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Factorization of completely positive matrices using iterative projected gradient steps Autor Boţ, Radu Ioan, Nguyen, Dang‐Khoa

“…We aim to factorize a completely positive matrix by using an optimization approach which consists in the minimization of a nonconvex smooth function over a…”
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H2 Model Reduction of Linear Network Systems by Moment Matching and Optimization Autor Necoara, Ion, Ionescu, Tudor C.

“…In this article, we compute the reduced-order stable approximation of a linear network system, preserving the topology and optimal w.r.t. the…”
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Generalized conditional gradient method for elastic-net regularization Autor Li, Hailong, Ding, Liang

“…Iterative soft thresholding algorithm (ISTA) has a simple formulation and it can easily be implemented. Nevertheless, ISTA is limited to well-conditioned…”
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Fractional spectral collocation method for optimal control problem governed by space fractional diffusion equation Autor Li, Shengyue, Zhou, Zhaojie

“…In this paper, we mainly investigate the fractional spectral collocation discretization of optimal control problem governed by a space-fractional diffusion…”
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Safe Squeezing for Antisparse Coding Autor Elvira, Clement, Herzet, Cedric

“…Spreading the information over all coefficients of a representation is a desirable property in many applications such as digital communication or machine…”
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基于连续时间投影梯度算法的分布式电源功率协同控制 Autor 章杜锡, 陈东海, 周飞, 陈武军, 陈明强, 王冠中

“…TM76; 集中式控制方法难以满足未来电网分布式电源大量接入以及即插即用的技术要求.为进一步提升分布式控制方法的实用性,提出一种基于连续时间投影梯度算法的分布式电源功…”
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Multi-document summarization via group sparse learning Autor He, Ruifang, Tang, Jiliang, Gong, Pinghua, Hu, Qinghua, Wang, Bo

“…•A novel compressive sensing based multi-document summarization with group sparse learning (SGS) framework is proposed.•Sentences in documents are considered…”
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On solving simple bilevel programs with a nonconvex lower level program Autor Lin, Gui-Hua, Xu, Mengwei, Ye, Jane J.

“…In this paper, we consider a simple bilevel program where the lower level program is a nonconvex minimization problem with a convex set constraint and the…”
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Legendre pseudo-spectral method for optimal control problem governed by a time-fractional diffusion equation Autor Li, Shengyue, Zhou, Zhaojie

“…This paper presents a numerical scheme for optimal control problem governed by a time-fractional diffusion equation based on a Legendre pseudo-spectral method…”
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Solving semi-infinite programs by smoothing projected gradient method Autor Xu, Mengwei, Wu, Soon-Yi, Ye, Jane J.

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Spectral Minimal Partitions for a Family of Tori Autor Bonnaillie-Noël, Virginie, Léna, Corentin

“…We study partitions of the two-dimensional flat torus into k domains, with b a real parameter in (0, 1] and k an integer. We look for partitions which minimize…”
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Mathematical Modeling of Textures: Application to Color Image Decomposition with a Projected Gradient Algorithm Autor Duval, Vincent, Aujol, Jean-François, Vese, Luminita A.

“…In this paper, we are interested in texture modeling with functional analysis spaces. We focus on the case of color image processing, and in particular color…”
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Application of the restrained optimal perturbation method to study the backward heat conduction problem Autor Wang, Bo, Zou, Guang-an, Wang, Qiang

“…In this paper, a restrained optimal perturbation method is firstly proposed to solve the backward heat conduction problem, the initial temperature distribution…”
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An alternating projected gradient algorithm for nonnegative matrix factorization Autor Lin, Lu, Liu, Zhong-Yun

“…Due to the extensive applications of nonnegative matrix factorizations (NMFs) of nonnegative matrices, such as in image processing, text mining, spectral data…”
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Hyperspectral and panchromatic image fusion using unmixing-based constrained nonnegative matrix factorization Autor Zhang, Zhou, Shi, Zhenwei, An, Zhenyu

“…Image fusion is an important technique in remote sensing, as it could effectively combine the high spatial and the high spectral resolutions in order to obtain…”
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Stochastic Shortest Path Problem with Delay Excess Penalty Autor Kosuch, Stefanie, Lisser, Abdel

“…We study and solve a particular stochastic version of the Restricted Shortest Path Problem, the Stochastic Shortest Path Problem with Delay Excess Penalty…”
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Application of a Derivative-Free Method with Projection Skill to Solve an Optimization Problem Autor Fei, Peng, Guo-Dong, Sun

“…Improving numerical forecasting skill in the atmospheric and oceanic sciences by solving optimization problems is an important issue. One such method is to…”
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Unified Analysis of Algorithms for Dictionary Learning Autor Xiang, Min

“…The advantages of data sparse representation have generated a lot of interest in recent years. The goal of dictionary learning is to seek an over-complete…”
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