A confidence measure based on agreement among multiple LVCSR models - Correlation between pair of acoustic models and confidence

7th International Conference on Spoken Language Processing, ICSLP 2002

Volumn , Issue , 2002, Pages 701-704

  Utsuro, Takehito ^a   Harada, Tetsuji ^a   Nishizaki, Hiromitsu ^a   Nakagawa, Seiichi ^a  

^a TOYOHASHI UNIVERSITY OF TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC MODEL; CONFIDENCE MEASURE; EXPERIMENTAL EVALUATION; GAUSSIAN MIXTURES; MULTIPLE LVCSR MODELS; NOCV2; SPEECH RECOGNITION SYSTEMS; TRIPHONES;

SPEECH RECOGNITION;

EID: 0141701264     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. T. Kemp and T. Schaaf, "Estimating confidence using word lattices", in Proceedings of the 5th Eurospeech, 1997, pp. 827-830.
2. F. Wessel, K. Macherey, and H. Ney, "A comparison of word graph and N-best list based confidence measures", in Proceedings of the 6th Eurospeech, 1999, pp. 315-318.
3. J. G. Fiscus, "A post-processing system to yield reduced word error rates: Recognizer output voting error reduction (ROVER)", in Proceedings of the IEEE Workshop on Automatic Speech Recognition and Understanding, 1997, pp. 347-354.
4. H. Schwenk and J.-L. Gauvain, "Combining multiple speech recognizers using voting and language model information", in Proceedings of the 6th ICSLP, 2000, vol. II, pp. 915-918.
5. T. Kawahara et al., "Sharable software repository for Japanese large vocabulary continuous speech recognition", in Proceedings of the 5th ICSLP, 1998, pp. 3257-3260.
6. A. Kai, Y. Hirose, and S. Nakagawa, "Dealing with out-of-vocabulary words and speech disfluencies in an n-gram based speech understanding system", in Proceedings of the 5th ICSLP, 1998, pp. 2427-2430.
7. S. Nakagawa and K. Yamamoto, "Evaluation of segmental unit input HMM", in Proceedings of the 21st ICASSP, 1996, pp. 439-442.
8. K. Itou et al., "The design of the newspaper-based Japanese large vocabulary continuous speech recognition corpus", in Proceedings of the 5th ICSLP, 1998, pp. 3261-3264.
9. Y. Kodama, T. Utsuro, H. Nishizaki, and S. Nakagawa, "Experimental evaluation on confidence of agreement among multiple Japanese LVCSR models", in Proceedings of the 7th Eurospeech, 2001, pp. 2549-2552.