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Conference Paper

A new scatter-based multi-class support vector machine

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Sonnenburg,  S
Rätsch Group, Friedrich Miescher Laboratory, Max Planck Society;

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Citation

Jenssen, R., Kloft, M., Sonnenburg, S., Zien, A., & Müller, K.-R. (2011). A new scatter-based multi-class support vector machine. In T. Tan (Ed.), 2011 IEEE International Workshop on Machine Learning for Signal Processing. Piscataway, NJ, USA: IEEE.


Cite as: https://hdl.handle.net/21.11116/0000-0010-5657-C
Abstract
We provide a novel interpretation of the dual of support vector machines (SVMs) in terms of scatter with respect to class prototypes and their mean. As a key contribution, we extend this framework to multiple classes, providing a new joint Scatter SVM algorithm, at the level of its binary counterpart in the number of optimization variables. We identify the associated primal problem and develop a fast chunking-based optimizer. Promising results are reported, also compared to the state-of-the-art, at lower computational complexity.