Secure Watermarking Scheme for Color Image Using Intensity of Pixel and LSB Substitution
Nagaraj V. DharwadkarB. B. AmberkerPublished in: CoRR (2009)
Keyphrases
- watermarking scheme
- image authentication
- color images
- reversible watermarking
- authentication scheme
- jpeg compression
- digital watermarking
- gray images
- gray level images
- error correction
- copyright protection
- spread spectrum
- color information
- data hiding
- prediction error
- image watermarking scheme
- gray scale
- watermarking algorithm
- watermarking technique
- watermark embedding
- image processing
- gray value
- user authentication
- data embedding
- key management
- watermarking method
- smart card
- security analysis
- authentication protocol