A high quality subband speech coder with backward adaptive predictor and optimal time-frequency bit assignment.
Frank K. SoongRichard V. CoxNikil S. JayantPublished in: ICASSP (1986)
Keyphrases
- subband
- wavelet transform
- optimal bit allocation
- high quality
- frequency domain
- filter bank
- image compression
- multiresolution
- wavelet packet
- bit rate
- adaptive wavelet
- wavelet coefficients
- image coder
- high frequency
- wavelet decomposition
- locally adaptive
- feature vectors
- discrete wavelet transform
- bit allocation
- image coding scheme
- wavelet coding
- rate distortion
- image coding
- energy compaction
- speech recognition
- subband coding
- video coder
- subband decomposition
- low pass
- image quality
- perfect reconstruction
- feature extraction
- multiscale
- vector quantization
- video quality
- reconstructed image
- bitstream
- visual quality
- transform coefficients
- entropy coding
- coding gain
- low bit rate
- scalar quantization
- feature selection
- motion compensation