Keyphrases
- spread spectrum
- non binary
- data hiding
- error correction
- constraint satisfaction problems
- image watermarking
- transform domain
- watermarking scheme
- digital watermarking
- watermarking algorithm
- direct sequence spread spectrum
- arc consistency
- frequency domain
- bit error rate
- constraint satisfaction
- frequent pattern mining
- digital images
- feature extraction
- constraint programming
- multiresolution
- feature vectors
- computational complexity
- multiscale