Backward Adaptive and Quasi-Logarithmic Quantizer for Sub-Band Coding of Audio.
Stefan S. TomicZoran PericMilan TancicJelena NikolicPublished in: Inf. Technol. Control. (2018)
Keyphrases
- subband
- scalar quantization
- image compression
- energy compaction
- wavelet coding
- wavelet transform
- coding scheme
- filter bank
- video signals
- uniform quantization
- bit rate
- multiresolution
- locally adaptive
- subband coding
- wavelet coefficients
- wavelet decomposition
- frequency domain
- high frequency
- feature vectors
- discrete wavelet transform
- vector quantization
- low frequency
- transform coefficients
- wavelet domain
- entropy coding
- quantization scheme
- coding gain
- coding method
- low pass
- rate distortion
- perfect reconstruction
- multiscale
- motion vectors
- image coding
- transform coding
- distortion measure
- audio signal
- inter frame
- significant bit
- image processing
- visual information
- frequency band
- contourlet transform
- wavelet packet
- coding efficiency
- image denoising
- visual quality
- discrete cosine transform
- signal processing
- bit allocation