7Mohammadi M R,Fatemizadeh E,Mahoor M H.PCA-baseddictionary building for accurate facial expression recognitionvia sparse representation[J].Journal of Visual Communicationand Image,2014,25(5):1082-1092.
8Haris B C,Sinha R.Speaker verification using sparse representationover KSVD learned dictionary[C].2012 NationalConference on Communications,2012:1-5.
9Matejka P,Glembek O,Castaldo F,et al.Full-covarianceUBM and heavy-tailed PLDA in i-vector speaker verification[C].IEEE International Conference on Acoustics,Speech and Signal Processing(ICASSP),2011:4828-4831.
10Scholkopf B.Platt J.Hofmann T.Sparse representation forsignal classification[C].Proceedings of the 2006 Conferenceon Advances in Neural Information ProcessingSystems.2007:609-616.