A robust semi-supervised learning approach via mixture of label information

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Due to the fact that limited amounts of labeled data are normally available in real-world, semi-supervised learning has become a popular option, where we expect to use unlabeled data information to improve the learning performance. However, how to use such unlabeled information to make the predicted labels more reliable remains to be a key for any successful learning. In this paper, we propose a semi-supervised learning framework via combination of semi-supervised clustering and semi-supervised classification. In our approach, the predicted labels are selected by both the constrained k-means and safe semi-supervised SVM (S4VMs) to improve the reliability of the predicted labels. Extensive evaluations on collection of benchmarks and real-world action recognition datasets show that the proposed technique outperforms the others.




Yang, Y., & Liu, X. (2015). A robust semi-supervised learning approach via mixture of label information. Pattern Recognition Letters, 68(P1), 15–21. https://doi.org/10.1016/j.patrec.2015.08.009

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