Independent component analysis for document restoration.
Anna TonazziniLuigi BediniEmanuele SalernoPublished in: Int. J. Document Anal. Recognit. (2004)
Keyphrases
- independent component analysis
- independent components
- factor analysis
- principal component analysis
- blind source separation
- signal processing
- document collections
- information retrieval
- image restoration
- independent subspace analysis
- similarity measure
- principle component analysis
- single channel
- source separation
- natural image statistics
- natural gradient
- information retrieval systems
- mixing matrix
- statistical tests
- hidden markov models
- image processing
- machine learning