Data hiding based quality access control of digital images using adaptive QIM and lifting.
Amit PhadikarSanti P. MaityPublished in: Signal Process. Image Commun. (2011)
Keyphrases
- data hiding
- access control
- digital images
- error correction
- quantization index modulation
- information hiding
- watermarking technique
- dynamic access control
- role based access control
- spatial domain
- security policies
- reversible data hiding
- access control policies
- data embedding
- jpeg images
- secret data
- cover image
- access control mechanism
- access control models
- security mechanisms
- secret message
- security requirements
- watermarked image
- multiresolution