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电子学报  2006 

适用于不平衡样本数据处理的支持向量机方法

, PP. 2395-2398

Keywords: 支持向量机,交叉算子,类别差异,模式识别

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Abstract:

支持向量机算法在处理不平衡样本数据时,其分类器预测具有倾向性.样本数量多的类别,其分类误差小,而样本数量少的类别,其分类误差大.本文针对这种倾向性问题,在分析其产生原因的基础上,提出了基于遗传交叉运算的改进方法.对于小类别训练样本,利用交叉运算产生新的样本,从而补偿了因训练数据类别大小差异而造成的影响.基于UCI标准数据集的仿真实验结果表明,改进方法比标准支持向量机方法具有更好的分类准确率.

References

[1]  Chew Hong-gunn,Crisp D J,Bogner R E,et al.Target detection in radar imagery using support vector machine with training size biasing[A].Sundararajan N,Proceeding of the sixth International Conference on Control,Automation,Robotics and Vision[C].Singapore:Proceedings:CD-ROM.2000.
[2]  Chew Hong-gunn,Bogner Robert E,Lim Cheng-chow.Dual nu-support vector machine with error rate and training size biasing[A].V John mathews.Proceedings of 26th IEEE ICASSP (international Conference on Acoustics,Speech,and Signal Processing)[C].Salt Lake city,UT,USA:IEEE,2001.1269-1272.
[3]  Lin Ch-fu,Wang Shang-de.Fuzzy support vector machines[J].IEEE Transaction on Neural Networks,2002,13 (2):464-471.
[4]  Murphy P M,Aha Irvine DW CA.University of California,Department of Information and Computer Science[EB/OL].http://www.ics.uci.edu/~mlearn/MLRepository.html.1994.
[5]  J Ma,Y Zhao,S Ahalt:OSU SVM Classifier Matlab Toolbox(version 3.00)[EB/OL].Ohio State University,Columbus.USA.http://www.ece.osu.edu/~maj/osu svm/.2002.
[6]  The Genetic Algorithm Toolbox for Matlab[EB/OL].Department of Automatic Control and Systems Engineering of The University of Sheffield,UK.http://www.shef.ac.uk/acse/research/ecrg/getgat.html.
[7]  Vapnik V N.The Nature of Statistical Learning Theory[M].New York:Springer2Verlag.2000.138-167.
[8]  Scholkopf B,Smola A,Williamson R C,et al.New support vector algorithm[J].Neural Computation,2000,12(5):1207-1245.
[9]  范昕炜,杜树新,吴铁军.可补偿类别差异的加权支持向量机算法[J].中国图像图形学报,2003,18A(9):1037-1042.Fan Xin-wei,Du Shu-jun,Wu Tie-jun.Weighted support vector machine based classification algorithm for uneven class size problem[J].Journal of Image and Graphics,2003,18A(9):1037-1042.(in Chinese)
[10]  周明,孙树栋.遗传算法原理及应用[M].北京:国防工业出版社,1999.45-54.

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