Keyphrases
- cellular automata
- digital images
- watermarking scheme
- copyright protection
- information security
- watermarking algorithm
- fragile watermarking
- image watermarking
- image authentication
- spread spectrum
- data hiding
- robust image watermarking
- image processing operations
- digital watermarking
- database
- feature extraction
- knowledge base
- computer vision
- watermarking method
- information retrieval
- image fidelity
- data sets