Keyphrases
- image compression
- robust watermarking
- vector quantization
- copyright protection
- high capacity
- wavelet transform
- low bit rate
- discrete cosine transform
- compression ratio
- compression algorithm
- subband
- image watermarking
- reconstructed image
- compressed images
- image processing
- database systems
- computer vision
- databases
- data processing
- image acquisition
- digital libraries
- computational complexity
- multimedia