Keyphrases
- watermarking scheme
- geometric attacks
- robust watermarking scheme
- geometric distortions
- watermarking technique
- image watermarking scheme
- watermarking method
- digital audio
- watermark detection
- multimedia
- spread spectrum
- copyright protection
- digital image watermarking
- image watermarking
- digital watermarking
- wavelet domain
- jpeg compression
- multiscale
- watermarking algorithm
- semi fragile
- transform domain
- image authentication
- signal processing
- wavelet coefficients
- error correction
- watermark extraction
- multiresolution
- video watermarking
- spatial domain
- feature extraction