A New Adaptive Subband Thresholding Algorithm for Multistage Lattice VQ Image Coding.
Mohd Fadzli Mohd SallehJohn J. SoraghanPublished in: ICASSP (2) (2006)
Keyphrases
- multistage
- image coding
- subband image coding
- subband
- filter bank
- vector quantizer
- adaptive wavelet
- wavelet transform
- lattice vector quantization
- energy compaction
- image coder
- scalar quantization
- vector quantization
- multiresolution
- multiple description
- image compression
- frequency domain
- bit rate
- dynamic programming
- residual vector quantization
- multiscale
- entropy constrained
- wavelet coefficients
- coding efficiency
- perfect reconstruction
- bit allocation
- transform coding
- low pass
- wavelet decomposition
- high frequency
- feature vectors
- coding gain
- subband decomposition
- lifting scheme
- wavelet filters
- matching pursuit
- optimal policy
- signal processing