A Constrained Line Search Optimization for Discriminative Training in Speech Recognition.
Cong LiuPeng LiuHui JiangFrank K. SoongRen-Hua WangPublished in: ICASSP (4) (2007)
Keyphrases
- speech recognition
- line search
- discriminative training
- automatic speech recognition
- hidden markov models
- quadratic programming
- global convergence
- acoustic models
- step size
- convergence rate
- risk minimization
- language model
- speech signal
- objective function
- primal dual
- pattern recognition
- speech recognizer
- speaker identification
- speech recognition systems
- speaker independent
- posterior probability
- broadcast news
- probabilistic interpretation
- linear program
- optimization procedure
- maximum likelihood
- support vector machine
- convex optimization
- simulated annealing