An approximation of Daubechies wavelet matrices by perfect reconstruction filter banks with rational coefficients.
Lasha EphremidzeAlexander GamkrelidzeEdem LagvilavaPublished in: Adv. Comput. Math. (2013)
Keyphrases
- perfect reconstruction
- filter bank
- wavelet packet
- filter coefficients
- wavelet transform
- reconstruction error
- wavelet filters
- wavelet coefficients
- subband
- image coding
- multiresolution
- multiscale
- singular value decomposition
- lifting scheme
- wavelet basis
- signal processing
- frequency domain
- image coding scheme
- finite impulse response
- discrete cosine transform
- lossless compression
- low pass
- lossless coding
- digital filters
- computationally efficient
- vanishing moments
- compactly supported
- discrete wavelet transform
- wavelet domain
- wavelet bases
- wavelet decomposition
- bit rate
- high frequency
- multiresolution analysis
- reconstructed image
- transform coefficients
- shift invariant
- feature vectors
- image processing
- synthesis filters