A "polyphase" structure of two-channel spectral graph wavelets and filter banks.
Yuichi TanakaAkie SakiyamaPublished in: ICASSP (2017)
Keyphrases
- filter bank
- perfect reconstruction
- multiresolution
- subband
- multiscale
- signal processing
- image coding
- wavelet packet
- spectral graph
- wavelet transform
- lifting scheme
- wavelet filters
- frequency domain
- image compression
- wavelet bases
- reconstruction error
- computationally efficient
- theoretic framework
- finite impulse response
- wavelet decomposition
- filter coefficients
- feature extraction
- compactly supported
- low pass
- image segmentation
- fir filters
- natural images