Approximating the Kullback Leibler Divergence Between Gaussian Mixture Models.
John R. HersheyPeder A. OlsenPublished in: ICASSP (4) (2007)
Keyphrases
- kullback leibler divergence
- gaussian mixture model
- probability density function
- mixture model
- probability density
- em algorithm
- mutual information
- information theory
- density estimation
- maximum likelihood
- feature vectors
- distance measure
- expectation maximization
- gaussian mixture
- generalized gaussian
- information theoretic
- density function
- feature space
- covariance matrices
- similarity measure
- gaussian distribution
- pairwise
- unsupervised learning
- medical images
- marginal distributions