| Presentation | 2001/10/1 Efficient Reduction of Gaussian Components Using MDL Criterion for Speech Recognition Koichi Shinoda, Dieu Tran, Ken-ichi Iso, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A method is proposed to reduce the number of Gaussian components in continuous density hidden Markov models(HMMs). As its initial model, the method employs a well-trained, large-sized HMM in which the components of each state's Gaussian mixture probability density function are clustered into a binary tree. For each state, a subset of Gaussian components is chosen from the Gaussian tree on the basis of the minimum description length(MDL) criterion. By varying the penalty coefficient for large size models in the MDL criterion, it is possible to obtain the total number of Gaussian components desired for smaller models. In our experimental evaluations, the proposed method successfully reduced the number of Gaussian components by 75%, with only 1% degradation in recognition accuracy. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | speech recognition / HMM / MDL criterion / tree structure / Gaussian distribution |
| Paper # | SP2001-83,WIT2001-37 |
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| Conference Information | |
| Committee | WIT |
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| Conference Date | 2001/10/1(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Well-being Information Technology(WIT) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Efficient Reduction of Gaussian Components Using MDL Criterion for Speech Recognition |
| Sub Title (in English) | |
| Keyword(1) | speech recognition |
| Keyword(2) | HMM |
| Keyword(3) | MDL criterion |
| Keyword(4) | tree structure |
| Keyword(5) | Gaussian distribution |
| 1st Author's Name | Koichi Shinoda |
| 1st Author's Affiliation | Multimedia Research Labs, NEC Corporation() |
| 2nd Author's Name | Dieu Tran |
| 2nd Author's Affiliation | Multimedia Research Labs, NEC Corporation:(Present address)Currently with Cisco Systems |
| 3rd Author's Name | Ken-ichi Iso |
| 3rd Author's Affiliation | Multimedia Research Labs, NEC Corporation |
| Date | 2001/10/1 |
| Paper # | SP2001-83,WIT2001-37 |
| Volume (vol) | vol.101 |
| Number (no) | 353 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |