Keyphrases
- watermarking algorithm
- wavelet transform
- wavelet domain
- wavelet coefficients
- jpeg compression
- wavelet packet transform
- multiscale
- image watermarking
- multiresolution
- image coding
- video content
- video data
- signal processing
- subband
- discrete wavelet transform
- high frequency
- video frames
- image compression
- video sequences
- multimedia
- watermark extraction
- low frequency
- watermarking scheme
- spread spectrum
- dct coefficients
- digital image watermarking
- digital watermarking
- copyright protection
- lossy compression
- spatial domain
- feature extraction
- video analysis
- denoising
- lifting scheme
- image denoising
- image authentication
- computational complexity
- image processing