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has been cited by the following article:

• TITLE: Unsupervised Feature Selection Based on Low-Rank Regularized Self-Representation

  AUTHORS: Wenyuan Li, Lai Wei

  KEYWORDS: Feature Selection, Unsupervised Learning, Low-Rank

  JOURNAL NAME: Open Access Library Journal, Vol.7 No.4, April 17, 2020

  ABSTRACT: Feature selection aims to find a set of features that are concise and have good generalization capabilities by removing redundant, uncorrelated, and noisy features. Recently, the regularized self-representation (RSR) method was proposed for unsupervised feature selection by minimizing the L2,1 norm of residual matrix and self-representation coefficient matrix. In this paper, we find that minimizing the L2,1 norm of the self-representation coefficient matrix cannot effectively extract the features with strong correlation. Therefore, by adding the minimum constraint on the kernel norm of the self-representation coefficient matrix, a new unsupervised feature selection method named low-rank regularized self-representation (LRRSR) is proposed, which can effectively discover the overall structure of the data. Experiments show that the proposed algorithm has better performance on clustering tasks than RSR and other related algorithms.