Document Watermarking Via Character Luminance Modulation.
Paulo Vinicius Koerich BorgesJoceli MayerPublished in: ICASSP (2) (2006)
Keyphrases
- document images
- information retrieval
- digital images
- color images
- printed documents
- information retrieval systems
- web documents
- text documents
- document collections
- retrieval systems
- document retrieval
- relevant documents
- handwritten characters
- color information
- document classification
- document analysis
- computer simulation
- semantic information
- watermarking scheme
- watermarking algorithm
- data hiding
- structured documents
- optical character recognition
- document clustering
- color space