Keyphrases
- generation algorithm
- digital images
- watermarking algorithm
- watermarking scheme
- copyright protection
- spread spectrum
- image watermarking
- digital watermarking
- watermarking technique
- watermark embedding
- jpeg compression
- image processing operations
- video watermarking
- watermarking method
- digital watermark
- robust image watermarking
- robust watermarking scheme
- human visual system
- spatial domain
- secret information
- geometric distortions
- watermark detection
- auto correlation
- robust watermarking
- multiscale
- discrete wavelet transformation
- signal processing
- feature extraction