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Multi-label feature selection via robust flexible sparse regularization
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DOI：10.1016/j.patcog.2022.109074.png)
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摘要
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Multi-label feature selection is an efficient technique to deal with the high dimensional multi-label data by selecting the optimal feature subset. Existing researches have demonstrated that l 1-norm and l 2 , 1 -norm are promising roles for multi-label feature selection. However, two important issues are ignored when existing l 1-norm and l 2 , 1-norm based methods select discriminative features for multi-label data. First, l 1-norm can enforce sparsity on each feature across all instances while numerous selected features lack discrimination due to the generated zero weight values. Second, l 2 , 1-norm not only neglects label -specific features but also ignores the redundancy among features. To this end, we design a Robust Flexible Sparse Regularization norm (RFSR), furthermore, proposing a global optimization framework named Ro-bust Flexible Sparse regularized multi-label Feature Selection (RFSFS) based on RFSR. Finally, an efficient alternating multipliers based optimization scheme is developed to iteratively optimize RFSFS. Empirical studies on fifteen benchmark multi-label data sets demonstrate the effectiveness and efficiency of RFSFS.
Keyword:
Multi-label learning
Feature selection
Sparse regularization
Classification
期刊
IF:
7.6
论文数:
1.3W
被引数:
4.5W
机构
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