Spread-Spectrum Audio Watermark Robust Against Pitch-Scale Modification.
Lili LiJianling HuXiangzhong FangPublished in: ICME (2007)
Keyphrases
- spread spectrum
- image watermarking
- watermark detection
- video watermarking
- watermarking algorithm
- watermarking scheme
- data hiding
- watermark embedding
- transform domain
- jpeg compression
- geometric distortions
- watermarking technique
- digital watermarking
- copyright protection
- multimedia
- watermarking method
- signal processing
- bit error rate
- additive noise
- watermarked image
- direct sequence spread spectrum
- discrete wavelet transform
- lossy compression
- signal to noise ratio
- digital images
- multiresolution
- computational complexity