Generalizations of Pixel-Value Differencing Steganography for Data Hiding in Images.
Jen-Chang LiuMing-Hong ShihPublished in: Fundam. Informaticae (2008)
Keyphrases
- secret data
- data hiding
- pixel values
- cover image
- data embedding
- error correction
- lossy compression
- reversible data hiding
- spread spectrum
- jpeg images
- secret message
- high capacity
- image quality
- secret key
- embedded image
- information hiding
- spatial domain
- gray level
- input image
- stego image
- halftone images
- grayscale images
- watermarking technique
- test images
- image data