Keyphrases
- watermarking scheme
- digital images
- copyright protection
- image watermarking
- watermarking algorithm
- spread spectrum
- image authentication
- robust image watermarking
- digital watermarking
- data hiding
- pattern recognition
- information hiding
- digital image watermarking
- robust watermarking
- digital libraries
- watermarking technique
- search algorithm
- decision trees
- machine learning
- geometric attacks
- video watermarking
- databases