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Learning From Weakly Labeled Data Based on Manifold Regularized Sparse Model
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DOI：10.1109/TCYB.2020.3015269.png)
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摘要
En 中文
In multilabel learning, each training example is represented by a single instance, which is relevant to multiple class labels simultaneously. Generally, all relevant labels are considered to be available for labeled data. However, instances with a full label set are difficult to obtain in real-world applications, thus leading to the weakly multilabel learning problem, that is, relevant labels of training data are partially known and many relevant labels are missing, and even abundant training data are associated with an empty label set. To address the problem, we propose a new multilabel method to learn from weakly labeled data. To be specific, an optimization framework is constructed based on the manifold regularized sparse model, in which the correlations among labels and feature structure are considered to model global and local label correlations, thereby achieving discriminative feature analysis for mapping training data to ground-truth label space. Moreover, the proposed method has an excellent mechanism to conduct semisupervised multilabel learning by exploiting training data with the predicted label set of the unlabeled. Experiments on various real-world tasks reveal that the proposed method outperforms some state-of-the-art methods.
Keyword:
Correlation
Manifolds
Data models
Training data
Optimization
Training
Predictive models
Label correlations
missing labels
multilabel learning
semisupervised learning
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IF:
10.5
论文数:
1.1W
被引数:
5.0W
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