An improved region-based embedding technique for data hiding and image recovery using multiple ROI and RONI.
Bijay Kumar PaikarayDebabala SwainSujata ChakravartyPublished in: Int. J. Electron. Secur. Digit. Forensics (2023)
Keyphrases
- data hiding
- image recovery
- reversible data hiding
- error correction
- data embedding
- secret data
- high capacity
- spatial domain
- information hiding
- data hiding scheme
- secret message
- spread spectrum
- coordinate ascent
- watermarking technique
- compressive sensing
- image segmentation
- cover image
- convex hull
- image retrieval
- multiscale
- high quality
- image sequences