Keyphrases
- data hiding
- spread spectrum
- watermark embedding
- secret information
- watermarking technique
- error correction
- watermarked image
- cover image
- video watermarking
- watermark detection
- watermarking scheme
- copyright protection
- jpeg images
- digital watermarking
- image normalization
- lossy compression
- image authentication
- watermarking method
- image watermarking
- watermarking algorithm
- digital watermark
- image watermarking scheme
- jpeg compression
- multiscale
- geometric distortions
- human visual system
- frequency domain
- digital images