Keyphrases
- data hiding
- lossy compression
- jpeg images
- error correction
- spatial domain
- spread spectrum
- high capacity
- information hiding
- image compression
- reversible data hiding
- watermarking technique
- data embedding
- dct domain
- data hiding scheme
- secret data
- compressed images
- compression rate
- compression algorithm
- compression ratio
- digital images
- embedded image
- image sequences
- jpeg compression
- low bit rate
- halftone images
- image coding
- multiresolution