Lossless Data Hiding Based on Companding Technique and Difference Expansion of Triplets.
ShaoWei WengYao ZhaoJeng-Shyang PanPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2007)
Keyphrases
- data hiding
- data embedding
- lossy compression
- embedding capacity
- error correction
- reversible data hiding
- secret data
- spread spectrum
- spatial domain
- data hiding scheme
- information hiding
- tamper detection
- high capacity
- halftone images
- cover image
- watermarking technique
- lossless compression
- frequency domain
- secret message
- jpeg images
- high quality
- image compression
- manifold learning
- motion estimation
- multiresolution