Variable-rate CELP based on subband flatness.
Stan A. McClellanJerry D. GibsonPublished in: IEEE Trans. Speech Audio Process. (1997)
Keyphrases
- subband
- filter bank
- wavelet transform
- multiresolution
- image compression
- bit rate
- feature vectors
- wavelet coefficients
- high frequency
- wavelet decomposition
- frequency domain
- discrete wavelet transform
- low pass
- locally adaptive
- subband coding
- wavelet domain
- linear prediction
- low frequency
- reconstruction error
- wavelet coding
- frequency band
- lattice vector quantization
- subband decomposition
- scalar quantization
- wavelet packet
- wavelet filters
- image coder
- adaptive wavelet
- rate allocation
- image coding
- rate distortion
- non subsampled contourlet transform
- contourlet transform
- perfect reconstruction
- wavelet subbands
- wavelet transform coefficients
- video coding