An ill-posed operator for secure image authentication.
Ebroul IzquierdoValia GuerraPublished in: IEEE Trans. Circuits Syst. Video Technol. (2003)
Keyphrases
- image authentication
- authentication scheme
- public key
- digital signature
- key management
- semi fragile watermarking
- user authentication
- security analysis
- smart card
- watermarking scheme
- jpeg compression
- authentication protocol
- image content
- copyright protection
- digital watermarking
- security issues
- encryption scheme
- secret key
- image processing
- signature scheme
- image restoration
- edge detection
- image data
- feature space