Multi-Scale Annulus Clustering for Multi-Label Classification

Yan Liu, Changshun Liu, Jingjing Song (), Xibei Yang, Taihua Xu and Pingxin Wang
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Yan Liu: School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Changshun Liu: School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Jingjing Song: School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Xibei Yang: School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Taihua Xu: School of Computer, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Pingxin Wang: Key Laboratory of Oceanographic Big Data Mining and Application of Zhejiang Province, Zhoushan 316022, China

Mathematics, 2023, vol. 11, issue 8, 1-18

Abstract: Label-specific feature learning has become a hot topic as it induces classification models by accounting for the underlying features of each label. Compared with single-label annotations, multi-label annotations can describe samples from more comprehensive perspectives. It is generally believed that the compelling classification features of a data set often exist in the aggregation of label distribution. In this in-depth study of a multi-label data set, we find that the distance between all samples and the sample center is a Gaussian distribution, which means that the label distribution has the tendency to cluster from the center and spread to the surroundings. Accordingly, the double annulus field based on this distribution trend, named DEPT for double annulusfield and label-specific features for multi-label classification, is proposed in this paper. The double annulus field emphasizes that samples of a specific size can reflect some unique features of the data set. Through intra-annulus clustering for each layer of annuluses, the distinctive feature space of these labels is captured and formed. Then, the final classification model is obtained by training the feature space. Contrastive experiments on 10 benchmark multi-label data sets verify the effectiveness of the proposed algorithm.

Keywords: annulus model; hierarchical clustering; label-specific features; multi-label classification (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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