Visual Document Authentication Using Human-Recognizable Watermarks.
Igor FischerThorsten HerfetPublished in: ETRICS (2006)
Keyphrases
- digital watermarking
- image authentication
- human visual
- semi fragile watermarking
- information retrieval systems
- document collections
- document images
- digital images
- visual features
- visual attributes
- human subjects
- integrity verification
- image watermarking
- visual processing
- copyright protection
- document clustering
- document retrieval
- web documents
- low level
- human observers
- security analysis
- watermarking scheme
- information retrieval
- finite automata
- visual information
- semantic information
- high level