Subband VPIC with classified joint vector quantization.
K. W. ChanK. L. ChanPublished in: Signal Process. Image Commun. (1998)
Keyphrases
- vector quantization
- subband
- image compression
- scalar quantization
- filter bank
- wavelet transform
- wavelet coefficients
- high frequency
- vector quantizer
- compression scheme
- frequency domain
- wavelet coding
- compression ratio
- multiresolution
- image coder
- distortion measure
- wavelet packet
- locally adaptive
- low bit rate
- compressed images
- image processing
- transform coefficients
- bit rate
- compression algorithm
- transform coding
- bit allocation
- entropy coding
- lossless compression
- joint optimization
- image transmission
- fractal image coding
- feature vectors