Joint watermarking and compression using scalar quantization for maximizing robustness in the presence of additive Gaussian attacks.
Guixing WuEn-Hui YangPublished in: IEEE Trans. Signal Process. (2005)
Keyphrases
- watermark embedding
- scalar quantization
- digital image watermarking
- watermarking scheme
- image coding
- geometric attacks
- subband
- image compression
- vector quantization
- watermarking algorithm
- spread spectrum
- wavelet domain
- copyright protection
- watermark extraction
- watermarking technique
- wavelet transform
- coding scheme
- human visual system
- digital watermarking
- image coder
- multiple description
- finite state
- wavelet coefficients
- lossy compression
- watermarked image
- source coding
- jpeg compression
- compression ratio
- filter bank
- multiresolution
- jpeg images
- compression algorithm
- compression scheme
- multiscale
- image processing
- frequency domain
- joint optimization
- multiple description coding
- error correction
- compressed images