Multiplierless structurally orthogonal block-lifting-based quaternionic paraunitary filter banks with sum-of-powers-of-two coefficients.
Nick A. PetrovskyEugene V. RybenkovAlexander A. PetrovskyPublished in: MECO (2017)
Keyphrases
- filter bank
- lapped transforms
- subband
- lifting scheme
- quadrature mirror
- transform coefficients
- wavelet transform
- image coding
- wavelet packet
- wavelet coefficients
- wavelet filters
- reconstruction error
- frequency domain
- multiresolution
- fourier transform
- multiscale
- infinite impulse response
- compactly supported
- discrete cosine transform
- perfect reconstruction
- image compression
- high pass
- wavelet domain
- high frequency
- wavelet decomposition
- discrete wavelet transform
- low pass
- feature vectors
- signal processing
- bit rate
- subband coding
- finite impulse response
- fir filters
- low frequency
- transform coding
- feature extraction
- shift invariant
- digital filters
- filter responses
- image processing
- computationally efficient
- image restoration
- image denoising
- spatial domain
- frequency band