Scene Dynamics Estimation for Parameter Adjustment of Gaussian Mixture Models.
Rui ZhangWeiguo GongVictor GrzedaAndrew YaworskiMichael A. GreenspanPublished in: IEEE Signal Process. Lett. (2014)
Keyphrases
- gaussian mixture model
- parameter adjustment
- probability density
- density estimation
- mixture model
- speaker recognition
- maximum likelihood criterion
- em algorithm
- maximum likelihood
- background model
- parameter estimation
- neural network
- probability density function
- gaussian mixture
- expectation maximization
- video sequences
- speaker identification
- log likelihood function
- feature vectors
- covariance matrices
- gaussian distribution
- variational bayes
- image sequences
- feature space
- similarity measure
- computer vision