Keyphrases
- image encryption
- cosine transform
- image encryption scheme
- image compression
- compression algorithm
- authentication scheme
- security analysis
- data encryption standard
- chaotic maps
- wireless communication
- image encryption algorithm
- encryption algorithms
- compression ratio
- dct coefficients
- discrete cosine transform
- jpeg compression
- image scrambling
- lossy compression
- secret sharing scheme
- compressed domain
- lossless compression
- secret key
- smart card