Visual voice activity detection as a help for speech source separation from convolutive mixtures.
Bertrand RivetLaurent GirinChristian JuttenPublished in: Speech Commun. (2007)
Keyphrases
- voice activity detection
- blind source separation
- source separation
- speech signal
- noisy environments
- speech recognition
- independent component analysis
- blind separation
- non stationary
- visual information
- visual features
- automatic speech recognition
- low level
- denoising
- sparse representation
- image classification
- temporal structure
- information retrieval
- probabilistic model
- source signals
- feature extraction