Combining the union model and missing feature method to improve noise robustness in ASR.
Peter JancovicJi MingPublished in: ICASSP (2002)
Keyphrases
- mathematical model
- probabilistic model
- objective function
- modeling method
- cost function
- statistical model
- sensitivity analysis
- missing data
- tree structure
- high order
- em algorithm
- evaluation method
- optimization method
- prediction model
- prior knowledge
- hybrid method
- similarity measure
- parameter estimation
- theoretical analysis
- energy function
- reconstruction method
- test data
- input data
- support vector machine
- gaussian distribution
- feature set
- linear regression
- greater robustness
- selection scheme
- pairwise
- bayesian framework
- prior information
- classification method
- error rate
- recognition algorithm
- bp neural network
- noisy data
- clustering method
- neural network
- filtering method
- detection method