Adaptive image steganographic scheme based on Tri-way Pixel-Value Differencing.
Ko-Chin ChangPing Sheng HuangTe-Ming TuChien-Ping ChangPublished in: SMC (2007)
Keyphrases
- pixel values
- cover image
- secret data
- image quality
- image pixels
- secret image
- image data
- gray level
- adjacent pixels
- input image
- reversible data hiding
- probability density function
- image segmentation
- watermarking technique
- digital images
- prior knowledge
- spatial domain
- median filter
- jpeg images
- binary images
- data embedding
- markov random field
- computer vision