Linearly preconditioned nonlinear conjugate gradient acceleration of the PX-EM algorithm.
Lin ZhouYa-yong TangPublished in: Comput. Stat. Data Anal. (2021)
Keyphrases
- em algorithm
- conjugate gradient
- maximum likelihood estimation
- conjugate gradient algorithm
- expectation maximization
- maximum likelihood
- mixture model
- parameter estimation
- gaussian mixture model
- generative model
- convergence rate
- training algorithm
- incomplete data
- hyperparameters
- faster convergence
- maximum a posteriori
- levenberg marquardt
- probability density function
- learning rate
- learning algorithm
- objective function
- computer vision