A secure high capacity full-gray-scale-level multi-image information hiding and secret image authentication scheme via Tchebichef moments.
S. M. ElshouraDalila B. MegherbiPublished in: Signal Process. Image Commun. (2013)
Keyphrases
- high capacity
- information hiding
- gray scale
- secret image
- authentication scheme
- halftone images
- data hiding
- cover image
- binary images
- color images
- jpeg images
- image authentication
- data embedding
- error diffusion
- gray level
- image data
- smart card
- spatial domain
- reconstructed image
- multiscale
- watermarking technique
- image segmentation
- image analysis
- high resolution
- grayscale images
- copyright protection
- multiresolution
- key management
- secret key
- public key
- face recognition
- image compression