Keyphrases
- image compression
- image coding
- compression algorithm
- expert group
- security mechanisms
- compressed domain
- bit plane
- coding method
- discrete cosine transform
- lossless compression
- progressive transmission
- jpeg images
- international standard
- compressed images
- compression ratio
- dct coefficients
- security requirements
- security issues
- lossy compression
- security analysis
- cryptographic protocols
- lossless coding
- bit rate
- file size
- key management
- jpeg compression
- lightweight