Encrypted image-based reversible data hiding with public key cryptography from difference expansion.
Chih-Wei ShiuYu-Chi ChenWien HongPublished in: Signal Process. Image Commun. (2015)
Keyphrases
- reversible data hiding
- public key cryptography
- public key
- data hiding
- elliptic curve
- high capacity
- security model
- prediction algorithm
- provably secure
- digital signature
- pixel values
- visual quality
- encryption scheme
- error correction
- security services
- cover image
- security analysis
- database
- coding method
- low cost
- wavelet transform
- data model