Blind Source Separation Techniques for Detecting Hidden Texts and Textures in Document Images.
Anna TonazziniEmanuele SalernoMatteo MochiLuigi BediniPublished in: ICIAR (2) (2004)
Keyphrases
- document images
- blind source separation
- independent component analysis
- non stationary
- source separation
- blind separation
- document analysis
- negative matrix factorization
- texture features
- speech signal
- document image retrieval
- scanned documents
- optical character recognition
- sparse representation
- printed documents
- factor analysis
- page layout
- keywords
- signal processing
- text mining
- natural language