Keyphrases
- copyright protection
- digital images
- digital watermarking
- robust watermarking
- multimedia content
- watermarking scheme
- image watermarking
- digital multimedia
- multimedia data
- watermarking algorithm
- digital watermark
- watermarking technique
- secret information
- information hiding
- image authentication
- databases
- spread spectrum
- watermarking method
- high quality
- pattern recognition
- signal processing
- computational complexity