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The construction of wavelets from generalized conjugate mirror filters in L2(Rn)

✍ Scribed by Lawrence W. Baggett; Jennifer E. Courter; Kathy D. Merrill

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 278 KB
Volume: 13
Category: Article
ISSN: 1063-5203
DOI: 10.1016/s1063-5203(02)00509-2

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✦ Synopsis

The classical constructions of wavelets and scaling functions from conjugate mirror filters are extended to settings that lack multiresolution analyses. Using analogues of the classical filter conditions, generalized mirror filters are defined in the context of a generalized notion of multiresolution analysis. Scaling functions are constructed from these filters using an infinite matrix product. From these scaling functions, non-MRA wavelets are built, including one whose Fourier transform is infinitely differentiable on an arbitrarily large interval.

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