Dual Watermarking Scheme via Sub-Sampling in WPT-SVD Domain.
Gaurav BhatnagarBalasubramanian RamanPublished in: ICETET (2008)
Keyphrases
- watermarking scheme
- digital watermarking
- image authentication
- spread spectrum
- error correction
- watermarking algorithm
- copyright protection
- reversible watermarking
- video watermarking
- jpeg compression
- singular value decomposition
- digital watermark
- watermarking technique
- geometric distortions
- wavelet packet transform
- watermark embedding
- image compression
- digital images
- feature space