Image coding using directional VQ of wavelet coefficients.
Chul-Woo KimHee Bok ParkChoong Woong LeePublished in: ISCAS (1993)
Keyphrases
- image coding
- wavelet coefficients
- wavelet transform
- subband
- filter bank
- vector quantizer
- wavelet domain
- bit plane
- multiresolution
- contourlet transform
- multiscale
- high frequency
- image compression
- discrete wavelet transform
- shift invariant
- wavelet decomposition
- image coder
- scalar quantization
- coding efficiency
- feature vectors
- frequency domain
- bitstream
- matching pursuit
- multiple description
- transform coding
- entropy constrained
- feature extraction
- transform coefficients
- low pass
- vector quantization
- feature space
- feature selection