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Low-rank kernel regression with preserved locality for multi-class analysis
Wang,Yingxu1; Chen,Long2; Zhou,Jin1; Li,Tianjun3; Yu,Yufeng4
2023-09-01
Source PublicationPattern Recognition
ISSN0031-3203
Volume141Pages:109601
Abstract

Kernel ridge regression (KRR) is a kind of efficient supervised algorithm for multi-class analysis. However, limited by the implicit kernel space, current KRR methods have weak abilities to deal with redundant features and hidden local structures. Thus, they may get indifferent results when applied to analyze the data with complicated components. To overcome this weakness and obtain better multi-class regression performance, we propose a new method named low-rank kernel regression with preserved locality (RLRKRR). In this method, data are mapped into an explicit feature space by using the random Fourier feature technique to discover the non-linear relationship between data samples. In addition, during the training of the regression coefficient matrix, the low-rank components of this explicit feature space are simultaneously extracted for reducing the effect of the redundancy. Moreover, the graph regularization is performed on the extracted low-rank components to preserve local structures. Furthermore, the l norm is imposed on the regression error term for relieving the impact of outliers. Based on these strategies, RLRKRR is capable to achieve rewarding results in complicated multi-class data analysis. In the comprehensive experiments conducted on various types of datasets, RLRKRR outperforms several state-of-the-art regression methods in terms of classification accuracy (CA).

KeywordKernel Ridge Regression Locality Preserving Low-rank Learning Random Feature Space
DOI10.1016/j.patcog.2023.109601
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000984582300001
Scopus ID2-s2.0-85153501173
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Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorChen,Long; Zhou,Jin
Affiliation1.Shandong Provincial Key Laboratory of Network-Based Intelligent Computing,University of Jinan,Jinan,250022,China
2.Department of Computer and Information Science,Faculty of Science and Technology,University of Macau,Macau,999078,China
3.School of Computer Science and Engineering,South China University of Technology,Guangzhou,510641,China
4.Department of Statistics,Guangzhou University,Guangzhou,510006,China
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Wang,Yingxu,Chen,Long,Zhou,Jin,et al. Low-rank kernel regression with preserved locality for multi-class analysis[J]. Pattern Recognition, 2023, 141, 109601.
APA Wang,Yingxu., Chen,Long., Zhou,Jin., Li,Tianjun., & Yu,Yufeng (2023). Low-rank kernel regression with preserved locality for multi-class analysis. Pattern Recognition, 141, 109601.
MLA Wang,Yingxu,et al."Low-rank kernel regression with preserved locality for multi-class analysis".Pattern Recognition 141(2023):109601.
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