A simple, efficient, and parameter-free approach is proposed for the problem of multiclass classification, and is especially useful when dealing with large-scale datasets in the presence of label noise. Grown out of one-class SVM, our approach enjoys several distinct features: First, its decision boundary is learned based on both positive and negative examples; Second, the internal parameters and especially the kernel bandwidth are self-tuned. Our approach is compared side-by-side with LIBSVM, arguably the most widely-used multiclass classification system, in a sequence of empirical evaluations, where our approach is shown to perform almost as well as their optimal parameter settings tuned for individual datasets, while consuming only a fraction of the processing time.
CITATION STYLE
Qian, Y., Gong, M., & Cheng, L. (2015). STOCS: An efficient self-tuning multiclass classification approach. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9091, pp. 291–306). Springer Verlag. https://doi.org/10.1007/978-3-319-18356-5_26
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