Optimal Estimation and Computational Limit of Low-rank Gaussian Mixtures.
Zhongyuan LyuDong XiaPublished in: CoRR (2022)
Keyphrases
- low rank
- gaussian mixture
- missing data
- matrix factorization
- convex optimization
- closed form
- linear combination
- matrix completion
- singular value decomposition
- regularized regression
- low rank matrix
- high order
- rank minimization
- expectation maximization
- gaussian mixture model
- semi supervised
- trace norm
- covariance matrix
- mixture model
- em algorithm
- high dimensional data
- density estimation
- worst case
- probability density function
- least squares
- optimal solution
- multiscale
- machine learning
- feature extraction
- learning algorithm