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|Title:||Parameterization of m-channel orthogonal multifilter banks|
|Citation:||Jiang, Q. (2000). Parameterization of m-channel orthogonal multifilter banks. Advances in Computational Mathematics 12 (2-3) : 189-211. ScholarBank@NUS Repository.|
|Abstract:||A complete parameterization for the m-channel FIR orthogonal multifilter banks is provided based on the lattice structure of the paraunitary systems. Two forms of complete factorization of the m-channel FIR orthogonal multifilter banks for symmetric/antisymmetric scaling functions and multiwavelets with the same symmetric center 1/2(1 + γ + γ/(m - 1)) for some nonnegative integer γ are obtained. For the case of multiplicity 2 and dilation factor m = 2, the result of the factorization shows that if the scaling function φ and multiwavelet ψ are symmetric/antisymmetric about the same symmetric center γ + 1/2 for some nonnegative integer γ, then one of the components of φ (respectively ψ) is symmetric and the other is antisymmetric. Two examples of the construction of symmetric/antisymmetric orthogonal multiwavelets of multiplicity 3 with dilation factor 2 and multiplicity 2 with dilation factor 3 are presented to demonstrate the use of these parameterizations of orthogonal multifilter banks. © J.C. Baltzer AG, Science Publishers.|
|Source Title:||Advances in Computational Mathematics|
|Appears in Collections:||Staff Publications|
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