Sparse Component Analysis in Presence of Noise Using an Iterative EM-MAP Algorithm.
Hadi ZayyaniMassoud Babaie-ZadehG. Hosein MohimaniChristian JuttenPublished in: ICA (2007)
Keyphrases
- expectation maximization
- computational complexity
- improved algorithm
- learning algorithm
- em algorithm
- optimization algorithm
- detection algorithm
- experimental evaluation
- dynamic programming
- k means
- preprocessing
- cost function
- computational cost
- gaussian noise
- input data
- noisy data
- segmentation algorithm
- times faster
- energy function
- gradient ascent
- parameter estimation
- iterative optimization
- image processing
- theoretical analysis
- probabilistic model
- search space
- multiscale
- particle swarm optimization
- super resolution
- linear programming
- high accuracy
- significant improvement
- bayesian framework
- signal to noise ratio
- noise level
- optimal solution
- noise free
- image segmentation