Beyond cross-entropy: towards better frame-level objective functions for deep neural network training in automatic speech recognition.
Zhen HuangJinyu LiChao WengChin-Hui LeePublished in: INTERSPEECH (2014)
Keyphrases
- automatic speech recognition
- cross entropy
- neural network training
- speech recognition
- objective function
- speech signal
- language modeling
- language model
- training algorithm
- hidden markov models
- maximum likelihood
- log likelihood
- neural network
- optimization problems
- optimization method
- evaluation metrics
- global optimum
- optimization algorithm
- error function
- artificial neural networks
- bayesian networks