Robust semisupervised nonnegative local coordinate factorization for data representation
type: Item
instance of: scholarly article
title: Robust semisupervised nonnegative local coordinate factorization for data representation
zbMATH Open document ID: 1405.65061
DOI: 10.1155/2018/7963210
author: Wei Jiang
author: Qian Lv
author: Chenggang Yan
author: Kewei Tang
author: Jie Zhang
published in: Complexity
publication date: 2018-12-18T00:00:00Z
review text: Summary: Obtaining an optimum data representation is a challenging issue that arises in many intellectual data processing techniques such as data mining, pattern recognition, and gene clustering. Many existing methods formulate this problem as a nonnegative matrix factorization (NMF) approximation problem. The standard NMF uses the least square loss function, which is not robust to outlier points and noises and fails to utilize prior label information to enhance the discriminability of representations. In this study, we develop a novel matrix factorization method called robust semisupervised nonnegative local coordinate factorization by integrating robust NMF, a robust local coordinate constraint, and local spline regression into a unified framework. We use the \(l_{2,1}\) norm for the loss function of the NMF and a local coordinate constraint term to make our method insensitive to outlier points and noises. In addition, we exploit the local and global consistencies of sample labels to guarantee that data representation is compact and discriminative. An efficient multiplicative updating algorithm is deduced to solve the novel loss function, followed by a strict proof of the convergence. Several experiments conducted in this study on face and gene datasets clearly indicate that the proposed method is more effective and robust compared to the state-of-the-art methods.
Mathematics Subject Classification ID: 65F30
Mathematics Subject Classification ID: 65D07
Mathematics Subject Classification ID: 68T05
zbMATH DE Number: 6995066
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2018/7963210
OpenAlex ID: W2886688054
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description: scientific article; zbMATH DE number 6995066