Simple design of oversampled uniform DFT filter banks with applications to subband acoustic echo cancellation.
Qing-Guang LiuBenoît ChampagneDominic K. C. HoPublished in: Signal Process. (2000)
Keyphrases
- filter bank
- subband
- frequency domain
- image coding
- high frequency
- multiresolution
- wavelet transform
- perfect reconstruction
- multiscale
- bit rate
- image compression
- image coding scheme
- wavelet coefficients
- subband coding
- infinite impulse response
- feature vectors
- wavelet domain
- wavelet packet
- low pass
- fir filters
- wavelet decomposition
- contourlet transform
- multiscale decomposition
- coding gain
- wavelet filters
- discrete wavelet transform
- signal processing
- computationally efficient
- discrete cosine transform
- quadrature mirror
- reconstruction error
- lifting scheme
- subband image coding
- fourier transform
- finite impulse response
- high quality
- low frequency
- transform coefficients
- spatial domain
- computational complexity
- wavelet filter banks
- shift invariant