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