Data hiding in halftone images with secret-shared dot diffusion.
Jing-Ming GuoJyun-Hao HuangPublished in: Int. J. Imaging Syst. Technol. (2010)
Keyphrases
- data hiding
- halftone images
- secret data
- secret message
- continuous tone images
- direct binary search
- error correction
- high capacity
- inverse halftoning
- visual cryptography
- spatial domain
- information hiding
- data embedding
- reversible data hiding
- black and white
- watermarking technique
- cover image
- gray scale
- jpeg images
- frequency domain
- secret sharing scheme
- image sequences
- secret key
- gray level