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Random Fourier feature-based fuzzy clustering with p-Laplacian regularization
Wang, Yingxu1; Li, Tianjun2; Chen, Long1; Xu, Guangmei3; Zhou, Jin3; Chen, C. L.Philip2
2021-11-01
Source PublicationApplied Soft Computing
ISSN1568-4946
Volume111Pages:107724
Abstract

Random feature is one successful technique to approximate traditional kernel functions, and the random feature-based fuzzy clustering has been proved to be effective and efficient for handling non-linear data. However, the existing random feature-based fuzzy clustering methods fail to consider the locality information hidden in original input data. From some perspective, the membership obtained by fuzzy clustering can be seen as the encoding results of data. Thus, constraining the relationships between membership degrees to be consistent with that of data is beneficial to improve clustering performance. To this end, we propose a novel random Fourier feature-based fuzzy clustering method (pLRFCM) in this paper. The random Fourier feature is used to approximate Gaussian kernels in this method, and the fuzzy clustering is performed in the feature space. More importantly, the p-Laplacian regularization is conducted on the membership matrix to preserve the local structures of original data into the clustering results, to guarantee good partition of data. The maximum-entropy technique is also utilized to fine-tune the weights of features automatically during the process of clustering, so as to further promote the performance of clustering. In the experiments on four synthetic non-linear datasets and eight real-world datasets, pLRFCM outperforms several classical and state-of-the-art fuzzy clustering methods.

KeywordAttribute Weights Fuzzy Clustering P-laplacian Regularization Random Fourier Feature
DOI10.1016/j.asoc.2021.107724
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Interdisciplinary Applications
WOS IDWOS:000714610400002
Scopus ID2-s2.0-85111263285
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorChen, Long
Affiliation1.Department of Computer and Information Science, Faculty of Science and Technology, University of Macau, Macau, 999078, China
2.School of Computer Science and Engineering, South China University of Technology, Guangzhou, 510006, China
3.Shandong Provincial Key Laboratory of Network-Based Intelligent Computing, University of Jinan, Jinan, 250022, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Wang, Yingxu,Li, Tianjun,Chen, Long,et al. Random Fourier feature-based fuzzy clustering with p-Laplacian regularization[J]. Applied Soft Computing, 2021, 111, 107724.
APA Wang, Yingxu., Li, Tianjun., Chen, Long., Xu, Guangmei., Zhou, Jin., & Chen, C. L.Philip (2021). Random Fourier feature-based fuzzy clustering with p-Laplacian regularization. Applied Soft Computing, 111, 107724.
MLA Wang, Yingxu,et al."Random Fourier feature-based fuzzy clustering with p-Laplacian regularization".Applied Soft Computing 111(2021):107724.
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