Voice activity detection using frame-wise model re-estimation method based on Gaussian pruning with weight normalization.
Masakiyo FujimotoShinji WatanabeTomohiro NakataniPublished in: INTERSPEECH (2010)
Keyphrases
- statistical model
- mathematical model
- probabilistic model
- cost function
- objective function
- estimation algorithm
- preprocessing
- pairwise
- weighting scheme
- coordinate frame
- prior knowledge
- monte carlo simulation
- generalized gaussian
- prediction model
- parameter estimation
- linear model
- gaussian mixture
- em algorithm
- similarity measure
- mixture of gaussians
- gaussian function
- normalization method
- evaluation method
- closed form
- maximum likelihood
- input data
- markov random field
- gaussian distribution
- density estimation
- covariance matrix
- probability density
- kalman filter
- estimation process
- energy function
- normal distribution
- semi parametric
- computer vision