Keyphrases
- watermarking scheme
- image authentication
- information hiding
- digital watermarking
- error correction
- copyright protection
- jpeg compression
- watermarking algorithm
- spread spectrum
- image watermarking scheme
- reversible watermarking
- video watermarking
- watermarking method
- geometric distortions
- digital watermark
- robust watermarking scheme
- digital signature
- key management
- watermark embedding
- public key
- tamper detection
- geometric attacks
- security analysis
- watermarking technique
- encryption scheme
- secret key
- frequency domain
- signal processing