Evolutionary learning of HMM with Gaussian mixture densities for Automatic speech recognition.
Abdelmadjid BenmachicheAmina MakhloufTahar BouhadadaPublished in: ICIST (2019)
Keyphrases
- automatic speech recognition
- evolutionary learning
- gaussian mixture
- hidden markov models
- gaussian density
- gaussian densities
- probability density function
- probability density
- speech recognition
- speech signal
- evolutionary computation
- gaussian mixture model
- mixtures of gaussians
- em algorithm
- word error rate
- expectation maximization
- closed form
- covariance matrix
- conversational speech
- broadcast news
- speech retrieval
- noisy environments
- density estimation
- mixture model
- speaker adaptation
- mixture of gaussians
- gesture recognition
- evolutionary algorithm
- word recognition
- genetic algorithm
- pattern recognition
- bayesian framework
- reinforcement learning
- artificial intelligence
- upper bound
- probability distribution
- maximum likelihood