Estimation of Sparse Nonnegative Sources from Noisy Overcomplete Mixtures Using MAP.
Cesar F. CaiafaAndrzej CichockiPublished in: Neural Comput. (2009)
Keyphrases
- sparse representation
- blind source separation
- maximum a posteriori probability
- source separation
- sparse coding
- linear combination
- map estimation
- blind separation
- estimation algorithm
- parameter estimation
- sparse data
- parametric models
- natural images
- dense motion estimation
- databases
- information sources
- mixtures of gaussians
- sparse matrix
- maximum a posteriori
- markov random field
- regularized regression
- high dimensional
- objective function
- source signals
- canonical correlation analysis
- matrix factorisation
- density estimation
- noisy data
- missing data
- non stationary
- mixture model
- linear programming
- image classification
- higher order
- mobile robot
- optical flow