Keyphrases
- image watermarking
- spread spectrum
- video sequences
- video data
- multimedia
- video frames
- geometric distortions
- video streams
- video content
- discrete wavelet transform
- jpeg compression
- copyright protection
- digital watermarking
- watermarking algorithm
- additive noise
- multimedia data
- video analysis
- lossy compression
- dct coefficients
- signal processing
- multiresolution
- high quality