Applications of the naturalness preserving transform to image watermarking and data hiding.
Ayman M. AhmedDwight D. DayPublished in: Digit. Signal Process. (2004)
Keyphrases
- image watermarking
- data hiding
- spread spectrum
- watermarking technique
- lossy compression
- watermarked image
- error correction
- spatial domain
- digital watermarking
- copyright protection
- watermarking algorithm
- additive noise
- jpeg compression
- geometric distortions
- discrete wavelet transform
- watermark detection
- digital images
- cover image
- watermarking method
- optical flow