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Semi-supervised multi-view maximum entropy discrimination with expectation Laplacian regularization
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DOI：10.1016/j.inffus.2018.03.002.png)
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摘要
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Semi-supervised multi-view learning has attracted considerable attention and achieved great success in the machine learning field. This paper proposes a semi-supervised multi-view maximum entropy discrimination approach (SMVMED) with expectation Laplacian regularization for data classification. It takes advantage of the geometric information of the marginal distribution embedded in unlabeled data to construct a semi-supervised classifier. Different from existing methods using Laplacian regularization, we propose to use expectation Laplacian regularization for semi-supervised learning in probabilistic models. We give two implementations of SMVMED and provide their kernel variants. One of them can be relaxed and formulated as a quadratic programming problem that is solved easily. Therefore, for this implementation, we provided two versions which are approximate and exact ones. The experiments on one synthetic and multiple real-world data sets show that SMVMED demonstrates superior performance over semi-supervised single-view maximum entropy discrimination, MVMED and other state-of-the-art semi-supervised multi-view learning methods.
Keyword:
Maximum entropy discrimination
Multi-view learning
Semi-supervised learning
Large-margin
Kernel method
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2.7W
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