Analysis of quantization errors in subband speech coding with modified DFT filter banks.
Guangyu WangPublished in: Signal Process. (2006)
Keyphrases
- filter bank
- subband
- subband coding
- frequency domain
- multiresolution
- image coding
- image coding scheme
- wavelet transform
- image compression
- reconstruction error
- perfect reconstruction
- bit rate
- coding gain
- wavelet packet
- wavelet coefficients
- multiscale
- high frequency
- discrete cosine transform
- feature vectors
- quantization error
- signal processing
- computationally efficient
- low pass
- wavelet filters
- discrete wavelet transform
- computer vision
- wavelet decomposition
- multiscale decomposition
- bitstream
- lifting scheme
- bit allocation
- image coder
- coding scheme
- image processing