Keyphrases
- information security
- watermarking scheme
- security issues
- wavelet transform
- smart card
- information systems
- multiresolution
- jpeg compression
- error correction
- digital watermarking
- spread spectrum
- intrusion detection
- copyright protection
- watermarking algorithm
- image compression
- information security management
- image authentication
- watermarking technique
- information assurance
- reversible watermarking
- robust watermarking scheme
- image watermarking scheme
- security level
- watermark embedding
- e government
- wavelet domain
- image processing
- watermarking method
- watermark detection
- digital watermark
- user authentication
- geometric attacks
- cyber defense
- data mining