U-L block-triangular matrix and ladder realizations of subband coders.
Thomas G. Marshall Jr.Published in: ICASSP (3) (1993)
Keyphrases
- subband
- transform coefficients
- bit rate
- wavelet transform
- image compression
- image coder
- filter bank
- multiresolution
- feature vectors
- wavelet coefficients
- reconstruction error
- high frequency
- wavelet decomposition
- frequency domain
- wavelet domain
- subband coding
- wavelet packet
- image coding
- scalar quantization
- wavelet coding
- wavelet image coding
- low pass
- entropy coding
- dct coefficients
- energy compaction
- discrete wavelet transform
- feature extraction
- subband decomposition
- perfect reconstruction
- random variables
- rate distortion
- visual quality
- macroblock
- low bit rate
- video coding
- vector quantization
- lifting scheme
- multiple description
- computationally efficient
- image quality
- computational complexity
- video sequences