[5] [5] VAPNIK V N,CHERVONENKIS A Y.On the uniform convergence of relative frequencies of events to their probabilities［J］.Theory of Probability and Its Applications, 1971,16(2):264-280.

[6] [6] GENTON M G.Classes of kernels for machine learning:a statistics perspective［J］.Journal of Machine Learning Research,2001,2:299-312.

[9] [9] HU M K.Visual pattern recognition by moment invariants［J］.IRE Transactions on Information Theory,1962,8(2):179-187.

[10] [10] YANG J,YANG J Y.Generalized K-L transform based combined feature extraction［J］.Pattern Recognition, 2002,35(1):295-297.