2LIBB,MARTINEB. Onprincipal conponent analysisinL1 August 2002[J]. Computational Statistics & Data Analysis,2002,40(3):471-474.
3BILODEAU M,DUCHESNE P. Principal component analysis frim the multivariate familial correlation matrix[J]. Joumal of Multivariate Analysis,2002,82(2) :457 -470.
4BOLTON R J, HAND D J, WEBB A R. Projection techniques for nonlinear principal component analysis[J]. Statistics and Conputing,2003,13 (3) :267 - 276.
5BERMEJO S,CABESTANY J. Oriented principal component analysis for large margin classifiers [J]. Neural Networks, 2001, 14(10): 1447 - 1461.