Hidden Integrality of SDP Relaxations for Sub-Gaussian Mixture Models.
Yingjie FeiYudong ChenPublished in: COLT (2018)
Keyphrases
- gaussian mixture model
- semidefinite
- mixture model
- semidefinite programming
- linear programming relaxation
- linear programming
- feature vectors
- em algorithm
- speaker recognition
- lp relaxation
- expectation maximization
- semi definite programming
- maximum likelihood
- convex relaxation
- speaker identification
- gaussian mixture
- probability density
- semidefinite program
- variational bayes
- np hard
- quadratically constrained quadratic
- mixed integer
- covariance matrices
- density estimation
- feasible solution
- generative model
- model selection
- lower bound
- feature space
- probability density function
- probabilistic neural network
- semi supervised learning