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Non-parallel support vector classifiers with different loss functions
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DOI：10.1016/j.neucom.2014.05.063.png)
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摘要
En 中文
This paper introduces a general framework of non-parallel support vector machines, which involves a regularization term, a scatter loss and a misclassification loss. When dealing with binary problems, the framework with proper losses covers some existing non-parallel classifiers, such as multisurface proximal support vector machine via generalized eigenvalues, twin support vector machines, and its least squares version. The possibility of incorporating different existing scatter and misclassification loss functions into the general framework is discussed. Moreover, in contrast with the mentioned methods, which applies kernel-generated surface, we directly apply the kernel trick in the dual and then obtain nonparametric models. Therefore, one does not need to formulate two different primal problems for the linear and nonlinear kernel respectively. In addition, experimental results are given to illustrate the performance of different loss functions. (C) 2014 Elsevier B.V. All rights reserved.
Keyword:
Non-parallel classifiers
Least squares loss
Pinball loss
Hinge loss
Kernel trick
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期刊
IF:
6.5
论文数:
2.5W
被引数:
6.5W
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