A Blind Source Separation Technique for Document Restoration.
Antonio BoccutoIvan GeraceValentina GiorgettiPublished in: SIAM J. Imaging Sci. (2019)
Keyphrases
- blind source separation
- independent component analysis
- non stationary
- negative matrix factorization
- blind separation
- source separation
- adaptive particle swarm optimization
- document clustering
- mixing matrix
- information retrieval
- image restoration
- natural gradient
- eigenvalue decomposition
- algebraic equations
- document collections
- information retrieval systems
- signal processing
- sparse representation
- least squares
- source signals
- factor analysis
- data analysis
- keywords
- text documents
- text classification