Keyphrases
- watermarking algorithm
- signal processing
- jpeg compression
- image watermarking
- spread spectrum
- digital watermarking
- copyright protection
- wavelet domain
- watermarking scheme
- multimedia
- dct coefficients
- visual information
- watermark detection
- digital image watermarking
- watermark extraction
- lossy compression
- pattern recognition
- watermarking method
- high quality
- image authentication
- geometric attacks
- neural network
- audio signal
- geometric distortions
- digital video
- visual quality
- filter bank
- machine learning