Frame-wise model re-estimation method based on Gaussian pruning with weight normalization for noise robust voice activity detection.
Masakiyo FujimotoShinji WatanabeTomohiro NakataniPublished in: Speech Commun. (2012)
Keyphrases
- objective function
- mathematical model
- cost function
- statistical model
- estimation algorithm
- probabilistic model
- parameter estimation
- gaussian distribution
- input data
- maximum likelihood estimation
- weighting scheme
- monte carlo simulation
- mixture of gaussians
- gaussian noise
- coordinate frame
- pairwise
- image noise
- em algorithm
- estimation process
- normalization method
- similarity measure
- generalized gaussian
- robust regression
- maximum likelihood
- probability distribution
- bayesian networks
- computer vision
- noisy environments
- density function
- orientation estimation
- edge detection
- pruning method