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math.NA2011★ 1 cited
On compact wavelet matrices of rank m and of order and degree N
Lasha Ephremidze, Edem Lagvilava
A new parametrization (one-to-one onto map) of compact wavelet matrices of rank and of order and degree is proposed in terms of coordinates in the Euclidian space $R^{(m-1)…
math.NA2011
An approximation of Daubechies wavelet matrices by perfect reconstruction filter banks with rational coefficients
Lasha Ephremidze, Aleksander Gamkrelidze, Edem Lagvilava
It is described how the coefficients of Daubechies wavelet matrices can be approximated by rational numbers in such a way that the perfect reconstruction property of the filter ban…