Keyphrases
- data hiding
- digital signature
- watermarking technique
- digital watermarking
- error correction
- spatial domain
- reversible data hiding
- secret data
- information hiding
- data embedding
- copyright protection
- smart card
- public key
- cover image
- lossy compression
- data hiding scheme
- key management
- elliptic curve
- low cost
- database
- geometric distortions
- metadata
- data integrity
- security mechanisms
- signature scheme
- feature extraction