Optimal detector structure for DCT and subband domain watermarking.
Athanasios NikolaidisIoannis PitasPublished in: ICIP (3) (2002)
Keyphrases
- subband
- image compression
- filter bank
- wavelet transform
- bit rate
- wavelet coding
- frequency domain
- high frequency
- transform coefficients
- wavelet decomposition
- feature vectors
- multiresolution
- wavelet coefficients
- adaptive quantization
- low bit rate
- wavelet domain
- discrete cosine transform
- spatial domain
- subband coding
- wavelet packet
- image coder
- low pass
- low frequency
- transform domain
- multiscale
- digital images
- reconstruction error
- discrete wavelet transform
- video coding
- data hiding
- signal processing
- wavelet subbands
- coding gain
- bitstream