An improved spread spectrum technique for robust watermarking.
Henrique S. MalvarDinei A. F. FlorêncioPublished in: ICASSP (2002)
Keyphrases
- spread spectrum
- robust watermarking
- image watermarking
- copyright protection
- data hiding
- high capacity
- digital watermarking
- watermarking algorithm
- jpeg compression
- watermarking technique
- watermarking scheme
- discrete wavelet transform
- geometric distortions
- error correction
- lossy compression
- digital images
- additive noise
- transform domain
- multimedia content
- multiresolution