New algorithm to calculate the covariance matrix of an arbitrary form of Gaussian state.
Rui HePublished in: Quantum Inf. Process. (2015)
Keyphrases
- covariance matrix
- optimization algorithm
- objective function
- np hard
- covariance matrices
- computer vision
- simulated annealing
- k means
- computational complexity
- optimal solution
- worst case
- principal component analysis
- machine learning
- maximum likelihood
- particle swarm optimization
- expectation maximization
- clustering method
- principal components
- image processing
- transformation matrix
- geometrical interpretation