Efficient algorithms of box-constrained Nonnegative Matrix Factorization and its applications in image clustering

IF 2.2 2区 数学 Q1 MATHEMATICS, APPLIED
Jie Guo , Ting Li , Zhong Wan , Jiaoyan Li , Yamei Xiao
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引用次数: 0

Abstract

Nonnegative Matrix Factorization (NMF) provides an important approach of unsupervising learning, but it faces computational challenges when applied into clustering of high-dimensional datasets. In this paper, a class of novel nonmonotone gradient-descent algorithms are developed for solving box-constrained NMF problems. Unlike existing algorithms in the literature that update each matrix factor individually by fixing another one, our algorithms simultaneously update the paired matrix factors by leveraging adaptive projected Barzilai-Borwein directions and appropriate step sizes generated by the developed nonmonotone line search rules. Theoretically, it is proved that the developed algorithms are well defined and globally convergent. Extensive numerical tests on public image datasets demonstrate that the developed algorithms in this paper outperform the state-of-the-art ones, in terms of clustering performance, computational efficiency, and robustness of mining noisy data.
盒约束非负矩阵分解的高效算法及其在图像聚类中的应用
非负矩阵分解(NMF)提供了一种重要的无监督学习方法,但将其应用于高维数据集聚类时面临计算挑战。本文提出了一类求解盒约束NMF问题的非单调梯度下降算法。与文献中通过固定另一个单独更新每个矩阵因子的现有算法不同,我们的算法通过利用自适应投影Barzilai-Borwein方向和开发的非单调线搜索规则生成的适当步长来同步更新成对矩阵因子。从理论上证明了所提出的算法具有良好的定义性和全局收敛性。在公共图像数据集上进行的大量数值测试表明,本文开发的算法在聚类性能、计算效率和挖掘噪声数据的鲁棒性方面优于最先进的算法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Applied Numerical Mathematics
Applied Numerical Mathematics 数学-应用数学
CiteScore
5.60
自引率
7.10%
发文量
225
审稿时长
7.2 months
期刊介绍: The purpose of the journal is to provide a forum for the publication of high quality research and tutorial papers in computational mathematics. In addition to the traditional issues and problems in numerical analysis, the journal also publishes papers describing relevant applications in such fields as physics, fluid dynamics, engineering and other branches of applied science with a computational mathematics component. The journal strives to be flexible in the type of papers it publishes and their format. Equally desirable are: (i) Full papers, which should be complete and relatively self-contained original contributions with an introduction that can be understood by the broad computational mathematics community. Both rigorous and heuristic styles are acceptable. Of particular interest are papers about new areas of research, in which other than strictly mathematical arguments may be important in establishing a basis for further developments. (ii) Tutorial review papers, covering some of the important issues in Numerical Mathematics, Scientific Computing and their Applications. The journal will occasionally publish contributions which are larger than the usual format for regular papers. (iii) Short notes, which present specific new results and techniques in a brief communication.
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