Estimation of attacker's scale and noise variance for qim-dc watermark embedding.
Reginald L. LagendijkIvo D. ShterevPublished in: ICIP (2004)
Keyphrases
- noise variance
- watermarking algorithm
- watermark embedding
- noisy images
- jpeg compression
- watermarking scheme
- spread spectrum
- gaussian noise
- regularization parameter
- additive noise
- noise level
- correlation coefficient
- data hiding
- error correction
- wavelet domain
- copyright protection
- image denoising
- image processing
- denoising