Sparse codebooks for the quantization of nondominant sub-bands in image coding.
Christine PodilchukNikil S. JayantPeter NollPublished in: ICASSP (1990)
Keyphrases
- image coding
- vector quantizer
- subband image coding
- distortion measure
- image coder
- matching pursuit
- scalar quantization
- space frequency quantization
- filter bank
- successive approximation
- lossless image coding
- wavelet transform
- residual vector quantization
- entropy constrained
- coding efficiency
- vector quantization
- block coding
- frequency domain
- transform coding
- bit allocation
- wavelet packet
- multiple description
- lapped transforms
- entropy coding
- sparse representation
- multiresolution
- bit plane
- sparse coding
- image data
- subband