Voice activity detection based on conditional MAP criterion incorporating the spectral gradient.
Sang-Kyun KimJoon-Hyuk ChangPublished in: Signal Process. (2012)
Keyphrases
- voice activity detection
- maximum a posteriori probability
- maximum a posterior
- noisy environments
- maximum a posteriori
- gradient direction
- speech recognition
- map estimation
- edge map
- edge detection
- markov random field
- hyperspectral imagery
- optimization criterion
- hyperspectral
- remote sensing
- information retrieval
- normalized cut
- spectral analysis
- minimum description length
- random field model
- feature extraction
- image processing
- feature selection