Digital Watermark Based on Wavelet Transform for Audio Signals.
Yong WangShuqin WangJinyu ZhangPublished in: WAA (2003)
Keyphrases
- audio signals
- digital watermark
- wavelet transform
- jpeg compression
- discrete wavelet transform
- multiresolution
- digital watermarking
- audio signal
- multiscale
- image compression
- wavelet coefficients
- subband
- wavelet domain
- hidden markov models
- image processing operations
- watermarking scheme
- copyright protection
- lossy compression
- feature extraction
- high frequency
- low frequency
- speaker identification
- watermarking technique
- image processing
- watermarking algorithm
- image quality
- motion estimation