A bounded trust region optimization for discriminative training of HMMS in speech recognition.
Cong LiuYu HuHui JiangLi-Rong DaiPublished in: ICASSP (2010)
Keyphrases
- speech recognition
- discriminative training
- hidden markov models
- trust region
- automatic speech recognition
- optimization methods
- acoustic models
- line search
- global optimum
- optimization method
- speech signal
- speech recognizer
- optimization algorithm
- language model
- speech recognition systems
- column generation
- speaker identification
- simulated annealing
- speaker independent
- probabilistic interpretation
- pattern recognition
- feature selection
- bayesian networks
- knn
- quadratic programming
- least squares
- co training
- computer vision
- posterior probability