An exact line search scheme to accelerate the EM algorithm: Application to Gaussian mixture models identification.
Wentao XiangAhmad KarfoulChunfeng YangHuazhong ShuRégine Le Bouquin-JeannèsPublished in: J. Comput. Sci. (2020)
Keyphrases
- gaussian mixture model
- em algorithm
- mixture model
- expectation maximization
- maximum likelihood
- line search
- generative model
- parameter estimation
- gaussian mixture
- probability density function
- feature vectors
- maximum likelihood estimation
- log likelihood
- probabilistic model
- density estimation
- bayesian framework
- hyperparameters
- incomplete data
- image processing
- maximum a posteriori
- model based clustering
- least squares
- finite mixture models
- mixture modeling
- finite mixtures
- conjugate gradient
- mixture of gaussians
- unsupervised learning
- feature space
- objective function
- face recognition
- image segmentation