An Adaptive Watermarking Scheme Based on Nonsubsampled Contourlet Transform for Color Image Authentication.
Dongyan LiuWenbo LiuGong ZhangPublished in: ICYCS (2008)
Keyphrases
- image authentication
- watermarking scheme
- tamper detection
- jpeg compression
- color images
- digital watermarking
- copyright protection
- error correction
- public key
- watermarking algorithm
- spread spectrum
- watermark embedding
- geometric distortions
- authentication scheme
- image content
- watermarking technique
- image processing
- gray scale
- image quality
- motion estimation
- image watermarking
- multiresolution
- high quality