Keyphrases
- image encryption
- cosine transform
- authentication scheme
- image compression
- image encryption scheme
- compression algorithm
- chaotic maps
- security analysis
- encryption algorithms
- image encryption algorithm
- information flow
- compressed domain
- lossless compression
- image scrambling
- wireless communication
- compression ratio
- dct coefficients
- jpeg compression
- secret sharing
- secret key
- discrete cosine transform
- bitstream
- smart card
- computer simulation