Entropy Based Data Hiding for Document Images.
Swetha KurupG. SridharV. SridharPublished in: WEC (5) (2005)
Keyphrases
- document images
- data hiding
- error correction
- reversible data hiding
- spatial domain
- document image analysis
- document analysis
- data hiding scheme
- high capacity
- optical character recognition
- secret data
- watermarking technique
- information hiding
- scanned documents
- data embedding
- frequency domain
- page layout
- printed documents
- document image retrieval
- digital libraries
- computer vision
- halftone images
- co occurrence
- digital images
- image analysis
- printed text