Optimal and secure audio watermarking scheme based on self-adaptive particle swarm optimization and quaternion wavelet transform.
Bai Ying LeiFeng ZhouEe-Leng TanDong NiHaijun LeiSiping ChenTianfu WangPublished in: Signal Process. (2015)
Keyphrases
- watermarking scheme
- wavelet transform
- particle swarm optimization
- digital audio
- copyright protection
- multiscale
- subband
- multiresolution
- multimedia
- image compression
- spread spectrum
- watermarking algorithm
- digital watermarking
- reversible watermarking
- image watermarking scheme
- digital watermark
- image authentication
- error correction
- jpeg compression
- video watermarking
- high frequency
- watermarking technique
- multi objective
- low frequency
- fourier transform
- wavelet coefficients
- signal processing
- image quality