Keyphrases
- watermarking scheme
- wavelet tree
- data structure
- error correction
- watermarking algorithm
- digital watermarking
- jpeg compression
- copyright protection
- video watermarking
- inverted index
- image watermarking scheme
- spread spectrum
- reversible watermarking
- image authentication
- watermark embedding
- digital watermark
- watermark detection
- geometric distortions
- watermarking technique
- feature vectors
- multiscale
- multimedia
- databases