DCT-based data hiding for securing ROI of color images.
Gregory Lo-VarcoWilliam PuechPublished in: ICIP (2) (2005)
Keyphrases
- data hiding
- color images
- spatial domain
- region of interest
- error correction
- gray scale
- spread spectrum
- high capacity
- color information
- image compression
- reversible data hiding
- color space
- transform domain
- frequency domain
- information hiding
- image processing
- discrete cosine transform
- grayscale images
- data hiding scheme
- secret data
- data embedding
- watermarking technique
- dct domain
- dct coefficients
- error diffusion
- motion estimation
- computer simulation