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A Semi-supervised SVM for Manifold Learning
Hong Kong August 20-August 24
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICPR.2006.17118th International Conference on Patt ...
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Zhili Wu, Hong Kong Baptist University
Chun-hung Li, Hong Kong Baptist University
Ji Zhu, University of Michigan
Jian Huang, Zhongshan University, PRC
Many classification tasks benefit from integrating manifold learning with semi-supervised learning. By formulating the learning task in a semi-supervised manner, we propose a novel objective function that combines the manifold consistency of whole dataset with the hinge loss of class label prediction. This formulation results in a SVM-alike task operating on the kernel derived from the graph Laplacian, and is capable of capturing the intrinsic manifold structure of the whole dataset and maximizing the margin separating labelled examples. Results on face and handwritten digit recognition tasks show significant performance gain. The performance gain is particularly impressive when only a small training set is available, which is often the true scenario of many real-world problems.
Citation:
Zhili Wu, Chun-hung Li, Ji Zhu, Jian Huang, "A Semi-supervised SVM for Manifold Learning," icpr, vol. 2, pp.490-493, 18th International Conference on Pattern Recognition (ICPR'06) Volume 2, 2006
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