Optimization on digital watermarking algorithm based on SVD-DWT.
Feng ShiYongge ShiLin LaiPublished in: GrC (2011)
Keyphrases
- watermarking algorithm
- jpeg compression
- image watermarking
- digital watermarking
- lossy compression
- geometric attacks
- wavelet domain
- discrete wavelet transform
- signal processing
- singular value decomposition
- watermarking scheme
- copyright protection
- spread spectrum
- wavelet transform
- multiresolution
- digital images
- least squares
- digital image watermarking
- image authentication
- pattern recognition
- image processing
- multiscale
- digital content
- geometric distortions
- high frequency
- image quality
- semi fragile