An Exemplar-Based Hidden Markov Model with Discriminative Visual Features for Lipreading.
Xin LiuYiu-ming CheungPublished in: CIS (2014)
Keyphrases
- visual features
- hidden markov models
- discriminative training
- visual speech recognition
- image classification
- visual information
- visual content
- speech recognition
- image search
- image retrieval
- keywords
- image annotation
- probabilistic latent semantic analysis
- feature selection
- low level features
- image collections
- feature extraction
- semi supervised
- bag of features
- low level
- key frames
- automatic speech recognition
- conditional random fields
- speech signal
- bag of words
- visual similarity
- maximum likelihood