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Learning common and label-specific features for multi-Label classification with correlation information
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DOI：10.1016/j.patcog.2021.108259.png)
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In multi-label classification, many existing works only pay attention to the label-specific features and label correlation while they ignore the common features and instance correlation, which are also essential for building a competitive classifier. Besides, existing works usually depend on the assumption that they tend to have the similar label-specific features if two labels are correlated. However, this assumption cannot always hold in some cases. Therefore, in this paper, we propose a new approach of learning common and label-specific features for multi-label classification using the correlation information from labels and instances. First, we introduce l(2,1)-norm and l(1)-norm regularizers to learn common and label-specific features simultaneously. Second, we use a regularizer to constrain label correlations on label outputs instead of coefficient matrix. Finally, instance correlations are also considered through the k-nearest neighbor mechanism. Comprehensive experiments manifest the superiority of our proposed approach against other well-established multi-label learning algorithms for label-specific features. (C) 2021 Elsevier Ltd. All rights reserved.
Keyword:
Multi-label classification
Label-specific features
Common features
Instance correlation
期刊
IF:
7.6
论文数:
1.3W
被引数:
4.5W
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引用论文
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