Monotonic Convergence of a Nonnegative ICA Algorithm on Stiefel Manifold.
Mao YeXuqian FanQihe LiuPublished in: ICONIP (1) (2006)
Keyphrases
- objective function
- learning algorithm
- computational cost
- expectation maximization
- k means
- preprocessing
- detection algorithm
- cost function
- segmentation algorithm
- linear programming
- simulated annealing
- convergence rate
- parameter space
- neural network
- particle swarm optimization
- significant improvement
- search space
- computational complexity
- stochastic approximation
- dynamic programming
- em algorithm
- np hard
- optimization algorithm
- optimal solution
- iterative algorithms
- global convergence
- stochastic gradient
- euclidean space
- semi supervised
- probabilistic model
- similarity measure