A systematic technique for designing linear-phase FIR prototype filters for perfect-reconstruction cosine-modulated and modified DFT filterbanks.
Robert BregovicTapio SaramäkiPublished in: IEEE Trans. Signal Process. (2005)
Keyphrases
- perfect reconstruction
- filter bank
- discrete fourier transform
- finite impulse response
- frequency domain
- subband
- wavelet transform
- fir filters
- filter coefficients
- image coding
- low pass
- vanishing moments
- linear filters
- image coding scheme
- discrete cosine transform
- lossless compression
- lifting scheme
- multiscale
- feature vectors
- multiresolution
- reconstruction error
- compactly supported
- filter design
- fourier transform
- image compression
- synthesis filters
- nonlinear filters
- infinite impulse response
- wavelet packet
- wavelet filters
- wavelet decomposition
- wavelet coefficients
- low frequency
- basis functions
- computationally efficient
- bit rate
- signal processing
- iir filters