Quantization to maximize SNR in non-orthogonal subband coders.
Rajeev GandhiSanjit K. MitraPublished in: ICASSP (2001)
Keyphrases
- subband
- image coder
- scalar quantization
- coding gain
- subband coding
- filter bank
- subband image coding
- lattice vector quantization
- wavelet packet
- transform coefficients
- image compression
- wavelet transform
- signal to noise ratio
- wavelet image coding
- multiresolution
- bit rate
- wavelet coefficients
- entropy coding
- feature vectors
- high frequency
- image coding
- discrete wavelet transform
- wavelet decomposition
- low pass
- wavelet domain
- frequency domain
- wavelet coding
- subband decomposition
- rate distortion
- low bit rate
- reconstruction error
- energy compaction
- quantization scheme
- quadtree
- wavelet filters
- quantization error
- video sequences
- compression ratio
- vector quantization
- computational complexity