Keyphrases
- encryption scheme
- color images
- standard model
- mpeg video
- security analysis
- public key
- secret key
- diffie hellman
- hash functions
- cca secure
- data sharing
- image encryption scheme
- image processing
- ciphertext
- encryption key
- security model
- high quality
- multiresolution
- feature extraction
- provably secure
- computer vision
- database