Lossless Data Hiding of Color Images Using Pixel Decomposition and Phase Difference.
Chang-Lung TsaiKuo-Chin FanThomas C. ChuangChar-Dir ChungPublished in: J. Inf. Sci. Eng. (2007)
Keyphrases
- data hiding
- phase difference
- color images
- data embedding
- lossy compression
- gray level images
- error correction
- grayscale images
- gray scale
- spatial domain
- secret data
- phase unwrapping
- gray images
- color information
- color space
- reversible data hiding
- fourier transform
- information hiding
- image processing
- image compression
- lossless compression
- manifold learning
- watermarking technique
- multiscale
- image data
- cover image