Quantization in perceptual audio coders with correction for synthesis filter bank noise spreading.
Anil UbaleGrant A. DavidsonPublished in: ICASSP (2002)
Keyphrases
- filter bank
- subband
- image coder
- subband image coding
- image coding
- subband coding
- wavelet packet
- low frequency
- signal processing
- bit rate
- wavelet transform
- image compression
- multiresolution
- high frequency
- transform coefficients
- feature vectors
- transform coding
- entropy coding
- perfect reconstruction
- wavelet decomposition
- wavelet coefficients
- synthesis filters
- frequency domain
- video signals
- wavelet filters
- wavelet domain
- low pass
- coding gain
- multiscale
- discrete wavelet transform
- reconstruction error
- lifting scheme
- discrete cosine transform
- computationally efficient
- video coding
- visual information
- coding scheme
- rate distortion
- reconstructed image
- building blocks
- additive noise
- pattern recognition
- vector quantizer
- computer vision
- image processing