云南高校图书馆联盟文献共享服务平台- NONNEGATIVITY

NONNEGATIVITY: 作品数：10被引量：18H指数：2; 导出分析报告; 相关领域：自动化与计算机技术理学更多>>; 相关期刊：《Journal of Beijing Institute of Technology》《Wuhan University Journal of Natural Sciences》《Journal of Applied Mathematics and Physics》《Numerical Mathematics(Theory,Methods and Applications)》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划更多>>

Symmetry and Nonnegativity-Constrained Matrix Factorization for Community Detection被引量：2: 《IEEE/CAA Journal of Automatica Sinica》2022年第9期1691-1693,共3页Zhigang Liu Guangxiao Yuan Xin Luo; the CAAI-Huawei Mind Spore Open Fund(CAAIXSJLJJ-2021-035A);the Doctoral Student Talent Training Program of Chongqing University of Posts and Telecommunications(BYJS202009)。; Dear editor,This letter presents a novel symmetry and nonnegativity-constrained matrix factorization(SNCMF)-based community detection model on undirected networks such as a social network.Community is a fundamental ch...; 关键词：NETWORK EDITOR NETWORKS

Numerical Solutions to the Robin Inverse Problem with Nonnegativity Constraints: 《Journal of Applied Mathematics and Physics》2022年第6期2015-2025,共11页Weifu Fang Fu-Rong Lin; We present iterative numerical methods for solving the inverse problem of recovering the nonnegative Robin coefficient from partial boundary measurement of the solution to the Laplace equation. Based on the boundary i...; 关键词：Robin Inverse Problem Ill-Posed Problem Laplace Equation Boundary Inte-gral Equation Nonnegativity Constraint Penalty Method

Anisotropic Total Variation Regularization Based NAS-RIF Blind Restoration Method for OCT Image被引量：2: 《Journal of Beijing Institute of Technology》2020年第2期146-157,共12页Xuesong Fu Jianlin Wang Zhixiong Hu Yongqi Guo Kepeng Qiu Rutong Wang; Supported by National Key Research and Development Program of China(2016YFF0201005)。; Based on anisotropic total variation regularization(ATVR), a nonnegativity and support constraints recursive inverse filtering(NAS-RIF) blind restoration method is proposed to enhance the quality of optical coherence ...; 关键词：optical coherence tomography(OCT)image blind image restoration cost function nonnegativity and support constraints recursive inverse filtering(NAS-RIF)

Nonnegativity-enforced Gaussian process regression被引量：1: 《Theoretical & Applied Mechanics Letters》2020年第3期182-187,共6页Andrew Pensoneault Xiu Yang Xueyu Zhu; supported by Simons Foundation;supported by the U.S. Department of Energy Office of Science, Office of Advanced Scientific Computing Research as part of Physics-Informed Learning Machines for Multiscale and Multiphysics Problems (PhILMs); Gaussian process(GP)regression is a flexible non-parametric approach to approximate complex models.In many cases,these models correspond to processes with bounded physical properties.Standard GP regression typically r...; 关键词：Gaussian process regression Constrained optimization

NONNEGATIVITY OF SOLUTIONS OF NONLINEAR FRACTIONAL DIFFERENTIAL-ALGEBRAIC EQUATIONS: 《Acta Mathematica Scientia》2018年第3期756-768,共13页Xiaoli DING Yaolin JIANG; supported by the Natural Science Foundation of China(NSFC)under grant 11501436;Young Talent fund of University Association for Science and Technology in Shaanxi,China(20170701); Nonlinear fractional differential-algebraic equations often arise in simulating integrated circuits with superconductors. How to obtain the nonnegative solutions of the equations is an important scientific problem. As...; 关键词：Fractional differential-algebraic equations nonnegativity of solutions waveform relaxation monotone convergence

Nonnegative correlation coding for image classification: 《Science China(Information Sciences)》2016年第1期103-116,共14页Zhen DONG Wei LIANG Yuwei WU Mingtao PEI Yunde JIA; supported in part by National Basic Research Program of China(973)(Grant No.2012CB720000);National Natural Science Foundation of China(NSFC)(Grant No.61203291);Specialized Research Fund for the Doctoral Program of Chinese Higher Education(Grant No.20121101110035); Feature coding is one of the most important procedures in the bag-of-features model for image classification. In this paper, we propose a novel feature coding method called nonnegative correlation coding. In order to ...; 关键词：image classification correlation coding NONNEGATIVITY LOCALITY SIMILARITY

Strictly nonnegative tensors and nonnegative tensor partition被引量：12: 《Science China Mathematics》2014年第1期181-195,共15页HU ShengLong HUANG ZhengHai QI LiQun; supported by National Natural Science Foundation of China (Grant No. 11171252);the Hong Kong Research Grant Council (Grant Nos. PolyU 501909,502510,502111 and 501212); We introduce a new class of nonnegative tensors—strictly nonnegative tensors.A weakly irreducible nonnegative tensor is a strictly nonnegative tensor but not vice versa.We show that the spectral radius of a strictly ...; 关键词：NONNEGATIVE tensor spectral radius strict nonnegativity weak IRREDUCIBILITY

Iterative Methods of Richardson-Lucy-Type for Image Deblurring被引量：1: 《Numerical Mathematics(Theory,Methods and Applications)》2013年第1期262-275,共14页M.K.Khan S.Morigi L.Reichel F.Sgallari; We would like to thank the referees for comments.This work was supported by PRIN-MIUR-Cofin 2008 project,GNCS-INDAM,an OBR Research Challenge Grant,and NSF grant DMS-1115385.; Image deconvolution problems with a symmetric point-spread function arisein many areas of science and engineering. These problems often are solved by theRichardson-Lucy method, a nonlinear iterative method. We first s...; 关键词：Constrained ill-posed problem NONNEGATIVITY active set method image restoration

Some geometric properties of successive difference substitutions: 《Science China(Information Sciences)》2011年第4期778-786,共9页HOU XiaoRong XU Song SHAO JunWei; supported by the National Basic Research Porgram of China (Grant No. 2004CB318000);the National Natural Science Foundation of China (Grant Nos. 10571095, 61074189); This paper provides a new, geometric perspective to study successive difference substitutions, and proves that the sequence of the successive difference substitution sets is not convergent. An interesting result that ...; 关键词：successive difference substitutions nonnegativity decision of forms Barycentric subdivision

A Note on the Principal Theorems in the Theory of Functional Analysis: 《Wuhan University Journal of Natural Sciences》1997年第2期26-28,共3页Du Nailin Zeng Xianwu; Two theorems are proved. They are with principal significance in functional analysis, for they imply some well known theorems, such as the open mapping theorem, the closed graph theorem and the Banach Steinhaus theo...; 关键词：NONNEGATIVITY positive homogeneity countable subadditivity

NONNEGATIVITY