Keyphrases
- data hiding
- multimedia
- spread spectrum
- error correction
- spatial domain
- high capacity
- image scrambling
- reversible data hiding
- data hiding scheme
- tamper detection
- watermarking technique
- data embedding
- secret data
- least significant bit
- security requirements
- information hiding
- multimedia data
- multimedia content
- digital libraries
- cover image
- metadata
- copyright protection
- digital watermarking
- digital video
- halftone images
- frequency domain