Keyphrases
- public key
- image authentication
- digital images
- spread spectrum
- watermarking scheme
- copyright protection
- watermarking technique
- modular exponentiation
- image watermarking
- public key cryptography
- key exchange
- fragile watermarking
- signature scheme
- digital image watermarking
- data hiding
- digital signature
- evolutionary algorithm
- elliptic curve cryptography
- digital signature scheme
- image processing
- robust image watermarking
- digital watermark
- watermarking method
- elliptic curve
- digital watermarking
- security analysis
- video sequences