IMPROVED FEATURE DECORRELATION FOR HMM-BASED SPEECH RECOGNITION

5th International Conference on Spoken Language Processing, ICSLP 1998

Volumn , Issue , 1998, Pages

  Demuynck, Kris ^a   Duchateau, Jacques ^a   Van Compernolle, Dirk ^a,b   Wambacq, Patrick ^a  

^a UNIVERSITY OF LEUVEN   (Belgium)

^b Lernout and Hauspie Speech Products

Author keywords

[No Author keywords available]

Indexed keywords

COSINE TRANSFORMS; DISCRIMINANT ANALYSIS; INVERSE PROBLEMS; LINEAR TRANSFORMATIONS; MAXIMUM LIKELIHOOD ESTIMATION; PRINCIPAL COMPONENT ANALYSIS; SPEECH RECOGNITION;

COVARIANCE MATRICES; DATA VECTORS; DE CORRELATIONS; DECORRELATIONS; GAUSSIANS; HMM BASED RECOGNITION SYSTEMS; HMM-BASED; LINEAR DISCRIMINANT ANALYZE; OFF-DIAGONAL ELEMENTS; VECTOR COMPONENTS;

COVARIANCE MATRIX;

EID: 0002235014     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (6)

1. N. Ahmed and K. R. Rao. Orthogonal Transforms for Digital Signal Processing, pages 200-205. Springer-Verslag, 1975.
2. J. Duchateau, K. Demuynck, and D. Van Compernolle. Fast and accurate acoustic modelling with semi-continuous HMMs. Speech Communication, 24(1):5-17, July 1998.
3. R. O. Duda and P. E. Hart. Pattern Classification and Scene Analysis, pages 114-121. John Wiley & Sons, 1973.
4. M. Gales. Semi-tied covariance matrices. In Proc. ICASSP, volume II, pages 657-660, Seattle, May 1998.
5. R. Gopinath. Maximum likelihood modeling with gaussian distributions for classification. In Proc. ICASSP, volume II, pages 661-664, Seattle, May 1998.
6. N. Kumar. Investigation of Silicon-Auditory Models and Generalization of LDA for Improved Speech Recognition. PhD thesis, John Hopkins Univ., 1997.