Data hiding in hard-copy text documents robust to print, scan and photocopy operations.
Avinash L. VarnaShantanu RaneAnthony VetroPublished in: ICASSP (2009)
Keyphrases
- data hiding
- text documents
- text mining
- watermarking technique
- error correction
- text classification
- text categorization
- information extraction
- keywords
- reversible data hiding
- spatial domain
- wordnet
- topic models
- data embedding
- named entities
- secret data
- data hiding scheme
- bag of words
- frequency domain
- databases
- search engine