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广西师范大学学报(自然科学版) ›› 2011, Vol. 29 ›› Issue (3): 131-135.
黄添强, 李凯, 郑之
HUANG Tian-qiang, LI Kai, ZHENG Zhi
摘要: 流形学习算法是维度约简与数据可视化领域的重要工具,提高算法的效率与健壮性对其实际应用有积极意义。经典的流形学习算法普遍的对噪音点较为敏感,现有的改进算法尚存在不足。本文提出一种基于监督学习与核函数的健壮流形学习算法,把核方法与监督学习引入降维过程,利用已知标签数据信息与核函数特性,使得同类样本变得紧密,不同类样本变成分散,提高后续分类任务的效果,降低算法对流形上噪音的敏感性。在UCI数据与白血病拉曼光谱数据上的实验表明本文改进的算法具有更高的抗噪性。
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[1] TENENBAUM J B,DE SILVA V,LANGFORD J C.A global geometric frameworkfor nonlinear dimensionality reduction[J].Science,2000,290(5500):2319-2323. [2] ROWEIS S T,SAUL L K.Nonlinear dimensionality reduction by local linear embedding[J].Science,2000,290(5500):2323-2326. [3] BELKIN M,NIYOGI P.Laplacian eigenmaps and spectral techniques forembedding and clustering[C]//Advances in Neural Information Processing Systems.Vancouver,Canada:MIT Press,2002:585-591. [4] ZHANG Zhen-yue,ZHA Hong-yuan.Principal manifolds and nonlinear dimension reduction via local tangent space alignment[J].SIAM Journal of Scientific Computing,2005,26(1):313-338. [5] MULLER K R,MIKA S,RATSCH G,et al.An introduction to kernel-based learning algorithms[J].IEEE Transactions on Neural Networks,2001,12(2):181-201. [6] HE Xiao-fei,NIYOGI P.Locality preserving projections[C]//Advances in Neural Information Processing Systems 16.Vancouver,Canada:MIT Press,2004:153-160. [7] HE Xiao-fei,CAI Deng,YAN Shui-cheng,et al.Neighborhood preserving embedding[C]//Proceedings of the Tenth IEEE International Conference on Computer Vision.Washington,USA:IEEE Computer Society,2005:1208-1213. [8] OKBA T,ILYES E,TAREK G,et al.Supervised learning with kernel methods[C]//Proceedings of the 10th WSEAS international Conference on Wavelet analysis and multirate systems.Wisconsin,USA:World Scientific and Engineering Academyand Society,2010:73-77. [9] GNECCO G,SANGUINETI M.On spectral windows in supervised learning from data[J].Information Processing Letters,2010,110(23):1031-1036. [10] SCHOLKOPF B,SMOLA A,MULLER K R.Nonlinear component analysis as akernel eigenvalue problem[J].Neural Computation,1998,10(5):1299-1319. [11] GENG Xin,ZHAN De-chuan,ZHOU Zhi-hua.Supervised nonlinear dimensionality reduction for visualization and classification[J].IEEE Transactions onSystems,Man and Cybernetics,2005,35(6):1098-1107. [12] VIACHOS M,DOMENICONE C,GUNOPULOS D,et al.Non-linear dimensionality reduction techniques for classification and visualization[C]//Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and datamining.New York:ACM,2002:645-651. [13] COX T F,COX M A A.Multidimensional scaling[M].Boca Raton,FL:Chapman and Hall/CRC,2000. [14] WASSERMAN P D.Advanced methods in neural computing[M].New York:John Wiley and Sons,1993. [15] BLAKE C,KEOGH E,MERZ C J.UCI repository of machine learning databases[EB/OL].(2010-03-01)[2010-03-02].http://www.ics.uci.edu/ml/. [16] HENNESSY K,MADDEN M G,CONROY J,et al.An improved genetic programming technique for the classification of Raman spectra[J].Knowledge Based Systems,2005,18(4/5):217-224. [17] PICHARDO-MOLINA J L,FRAUSTO-REYES C,BARBOSA-GARCIA O,et al.Raman spectroscopy and multivariate analysis of serum samples from breast cancer patients[J].Laser Medical Science,2007,22(4):229-236. |
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