Keyphrases
- image compression
- color images
- vector quantization
- digital imaging
- wavelet transform
- compression scheme
- image processing
- compression algorithm
- color information
- subband
- color constancy
- key management
- color space
- reconstructed image
- image features
- color correction
- low bit rate
- image regions
- lightweight
- digital images
- security requirements
- public key infrastructure
- security analysis
- security mechanisms
- security issues
- discrete cosine transform
- color features