[1] [1] WANG R,YAO H X,GAO W.Recognition of sequence lip images and its application[C].Proceedings of IEEE Fourth International Conference on Signal Processing,Beijing,China,1998,1:849-854.

[2] [2] ZHANG X,MERSEREAU R M,CLEMENTS M,et al..Visual speech feature extraction for improved speech recognition[c].Proceedings of IEEE International Conference on Acoustics,Speech,and Signal Processing,Pis-cataway,NJ,USA:IEEE,2002,2:1993-1996.

[3] [3] KAYNAK M N,QI ZH,CHEOK A D,et al..Audio-visual modeling for bimodal speech recognition[C].Proceedings of IEEE International Conference on Systems,Man,and Cybernetics,Tucson,Arizona,USA:IEEE,2001,1:181-186.

[4] [4] SCANLON P,REILLY R.Feature analysis for automatic speechreading[c].Proceedings of IEEE Fourth Workshop on Multimedia Signal Processing,Cannes,France,2001:625-630.

[5] [5] SEGUIER R,CLADEL N.Multiobjectives genetic snakesl application on audio-visual speech recognition[C].Proceedings of 4th EURASIP Conference focused on Video/Image Processing and Multimedia Communications,Croatia,Zagreb:Faculty of Electrical Engineering and Computing,2003,2:625-630.

[6] [6] CHANDRAMOHAN D.SILSBEE P L.A multiple deformable template approach for visual speech recognition[C].Proceedings of 4th International Conference on Spoken Language Processing,New york,USA:IEEE,1996,1:50-53.

[8] [8] LIN C J,WECHSLER H.A shape and texture-based enhanced Fisher classifier for face recognition[J].IEEE Transactions on Image Processing,2001,10(4):598-608.

[10] [10] YANG J,YANG J Y.Feature fusion:parallel strategy vs.serial strategy[J].Pattern Recognition,2003,36(6):1349-1381.

[12] [12] LIE W N,HSIEH H C.Lips detection by morphological image processing[C].Proceedings of 4th International Conferenceon Signal Processing,Piscataway,NJ,USA:IEEE,1998,2:1084-1087.

[13] [13] LI G,WANG M J,LIN L.Extracting lip parameters in speech synthesis system driven by visual-speech[C].Proceedings of IEEE first International Conference on Innovative Computing,Information and Control,Los Alamitos,USA:IEEE-CS,2006.2:346-349.

[17] [17] RABINER L R.A tutorial on hidden Markov model and selected application in speech recognition[J].IEEE,1989,77(2):257-286.

[18] [18] WILLIAMS J J,KATSAGGELOS A K,RANDOLPH M A.A hidden Markov model based visual speech synthesizerEC].Proceedings of International Conference on Acoustics,Speech,and Signal Processing,Piscataway,Nf,USA:fEEE,2000,4:2393-2396.