Keyphrases
- language model
- visual speech
- visual speech recognition
- speech recognition
- hidden markov models
- language modeling
- speaker identification
- n gram
- information retrieval
- probabilistic model
- noisy environments
- retrieval model
- smoothing methods
- query expansion
- speech signal
- mixture model
- test collection
- audio signal
- image annotation
- acoustic features
- statistical language models
- video signals
- automatic speech recognition
- noise reduction
- multi modal
- text mining
- feature vectors