Title
A simplified multi-class support vector machine with reduced dual optimization
Abstract
Support vector machine (SVM) was initially designed for binary classification. To extend SVM to the multi-class scenario, a number of classification models were proposed such as the one by Crammer and Singer (2001). However, the number of variables in Crammer and Singer's dual problem is the product of the number of samples (l) by the number of classes (k), which produces a large computational complexity. This paper presents a simplified multi-class SVM (SimMSVM) that reduces the size of the resulting dual problem from lxk to l by introducing a relaxed classification error bound. The experimental results demonstrate that the proposed SimMSVM approach can greatly speed-up the training process, while maintaining a competitive classification accuracy.
Year
DOI
Venue
2012
10.1016/j.patrec.2011.09.035
Pattern Recognition Letters
Keywords
Field
DocType
large computational complexity,multi-class svm,dual problem,proposed simmsvm approach,competitive classification accuracy,classification model,reduced dual optimization,classification error,multi-class scenario,binary classification,multi-class support vector machine,support vector machine,multi class classification
Structured support vector machine,Pattern recognition,Binary classification,Support vector machine,Algorithm,Duality (optimization),Artificial intelligence,Relevance vector machine,Mathematics,Computational complexity theory,Multiclass classification
Journal
Volume
Issue
ISSN
33
1
0167-8655
Citations 
PageRank 
References 
13
0.52
26
Authors
5
Name
Order
Citations
PageRank
Xisheng He1201.30
Zhe Wang226818.89
Cheng Jin37814.92
Yingbin Zheng419116.70
Xiangyang Xue52466154.25