Echo Watermarking in Sub-band Domain.
Jae-Won ChoHa-Joong ParkYoung HuhHyun-Yeol ChungHo-Youl JungPublished in: IWDW (2003)
Keyphrases
- subband
- high frequency
- low frequency
- multiresolution
- wavelet transform
- discrete wavelet transform
- feature vectors
- filter bank
- wavelet coefficients
- bit rate
- digital images
- wavelet decomposition
- image compression
- frequency domain
- locally adaptive
- wavelet domain
- frequency band
- contourlet transform
- lifting scheme
- closed form
- image watermarking
- feature space
- multiscale