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Optimal feature selection for support vector machines
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DOI：10.1016/j.patcog.2009.09.003.png)
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摘要
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Selecting relevant features for support vector machine (SVM) classifiers is important for a variety of reasons such as generalization performance, computational efficiency, and feature interpretability. Traditional SVM approaches to feature selection typically extract features and learn SVM parameters independently. Independently performing these two steps might result in a loss of information related to the classification process. This paper proposes a convex energy-based framework to jointly perform feature selection and SVM parameter learning for linear and non-linear kernels. Experiments on various databases show significant reduction of features used while maintaining classification performance. (C) 2009 Elsevier Ltd. All rights reserved.
Keyword:
Support vector machine
Feature selection
Feature extraction
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7.6
论文数:
1.3W
被引数:
4.5W
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