Unsupervised and active learning in automatic speech recognition for call classification.
Dilek Hakkani-TürGökhan TürMazin G. RahimGiuseppe RiccardiPublished in: ICASSP (1) (2004)
Keyphrases
- automatic speech recognition
- active learning
- supervised learning
- speech recognition
- semi supervised
- selective sampling
- unsupervised learning
- pattern recognition
- machine learning
- training set
- speech signal
- speech retrieval
- feature vectors
- broadcast news
- feature space
- classification accuracy
- hidden markov models
- image classification
- text classification
- feature extraction
- decision trees
- conversational speech
- relevance feedback
- bayesian networks
- support vector machine
- feature selection
- neural network
- word error rate