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Detail
Journal Article
Probabilistic Bilinear Transformation Space-Based Joint Maximum A Posteriori Adaptation
- Authors
- Hwa Jeon Song, Yunkeun Lee, Hyung Soon Kim
- Issue Date
- 2012-10
- Citation
- ETRI Journal, v.34, no.5, pp.783-786
- ISSN
- 1225-6463
- Publisher
- 한국전자통신연구원 (ETRI)
- Language
- English
- Type
- Journal Article
- Abstract
- This letter proposes a more advanced joint maximum a posteriori (MAP) adaptation using a prior model based on a probabilistic scheme utilizing the bilinear transformation (BIT) concept. The proposed method not only has scalable parameters but is also based on a single prior distribution without the heuristic parameters of the previous joint BIT-MAP method. Experiment results, irrespective of the amount of adaptation data, show that the proposed method leads to a consistent improvement over the previous method. © 2012 ETRI.
- KSP Keywords
- Bilinear transformation, Experiment results, Probabilistic scheme, Space based, maximum a posteriori, model-based, prior distribution, prior model